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Cover photograph: Biddulph’s Ground Jay Podoces biddulphi , Xinjiang province, China (see Grimmett and Taylor, within).
Photo: H. Taylor.
BRITISH MUSEUM
TO A I
FORKTAIL
Number 7, June 1992
CONTENTS
1 3 JUL 1992
M. D. WILLIAMS, G. J. CAREY, D. G. DUFF and XU WEISHU.
Autumn bird migration at Beidaihe, China, 1986-1990 . 3
F. A. CLEMENTS. Recent records of birds from Bhutan . 57
M. KATTI, P. SINGH, N. MANJREKAR, D. SHARMA and S.
MUKHERJEE. An ornithological survey in eastern Arunachal Pradesh,
India . 75
M. A. BRAZIL. The birds of Shuangtaizihekou National Nature Reserve,
Liaoning province, China . 91
N. S. SODHI. Food-niche relationships of five sympatric north Indian
herons . 125
ZHANG YIN-SUN, DING WEN-NING, BU HE and TIAN LU.
Breeding ecology of the Relict Gull Larus relictusan Ordos, Inner
Mongolia, China . 131
R. GRIMMETT and H. TAYLOR. Recent bird observations from
Xinjiang Autonomous Region, China, 16 June to 5 July 1988 . 139
C. Y. ANDERSEN, M. K. POULSEN, O. F. JACOBSEN and
M. HEEGAARD. Observations on the Luzon Water Redstart
Rhyacomis bicolor in the Mount Pulog National Park, Philippines . 147
Short communications
HE FEN-QI, ZHANG YIN-SUN, WU YONG and GAO TIE-JUN.
The distribution of the Relict Gull Lams relictus in Maowusu Desert,
Inner Mongolia, China . 151
E. MOLLER. Feeding technique of a White-browed Crake Porzana
cinerea . 154
HAN LIANXIAN. Wedge-billed Wren-Babbler Sphenocichla humei:
a new species for China . 1 55
D. OGLE. Oriental Plover Charadrius veredus: a new species for
Thailand . 156
Guidelines for contributors . 158
ISSN 0950-1746
© Oriental Bird Club 1992
Published for the Oriental Bird Club by
The Nature Conservation Bureau Limited,
36 Kingfisher Court, Hambridge Road, Newbury, Berkshire RG14 5SJ, U.K.
Printed on recycled paper by Information Press, Oxford, U.K.
2
Forktail 7
This is the first issue of Forktail without Nigel Collar as an editor. He,
unfortunately, has had to resign through pressure from other commitments.
The quality of the content and style of the first six issues is largely due to
the high standards that he set, and then inspired others to follow. His
outstanding editorial abilities will be sorely missed by the Club.
This issue was planned to be out in December, 1991, and I apologise for
its delayed appearance.
Thanks are due to E. C. Dickinson and M. Kelsey for acting as referees
of certain contributions.
12 February 1992 T.P.I.
CORRECTION
to Forktail 2
On p. 1 3 the entry for Mountain Hawk-Eagle should be deleted. The birds
referred to weremisidentified Oriental Honey-Buzzards Pemis ptilorhynchus.
FORKTAIL 7 (1992): 3-55
Autumn bird migration at Beidaihe,
China, 1986-1990
MARTIN D. WILLIAMS, GEOFFREY J. CAREY,
DANIEL G. DUFF and XU WEISHU
An account of autumn migration at Beidaihe, summarising the main habitats of the area;
recording methods; the timing of migrants in 1986; routes used by the different groups of migrant
birds; correlations between weather and migration, including accounts of days of spectacular
migration. Also details of 71 species of particular interest; these comprise 16 internationally
threatened species, including movements of substantial numbers of Oriental Storks Ciconia
(ciconia) boyciana and four species of cranes Grus; 33 species that have apparently undergone
significant population declines during this century (of which four are also internationally
threatened); 11 species that have apparently increased in numbers; the Pied Harrier Circus
melanoleucos, of which a substantial proportion of the world population passes Beidaihe; and 14
species for which the records are of local significance, including the following reported for the first
time from Hebei: Short-toed Eagle Circaetus gallicus, Parasitic Jaeger Stercorarius parasiticus, Great
Black-headed Gull Larus ichthyaetus, Black Tem Chlidonias niger, Brown Accentor Prunella
fulvescens and Chaffinch FringiUa coelebs. The population declines and increases are discussed,
suggesting some possible causes.
Beidaihe (strictly Beidaihe Haibin-North Dai River Beach: 39°47'N,
119°27'E), a seaside resort approximately 280 km east of Beijing, is one of
the world’s finest migration watchpoints. Until the mid-1980s, the migration
was mainly known from studies by Axel Hemmingsen from 1942-1945
(Hemmingsen 1951, Hemmingsen and Guildal 1968) and by John D. D. La
Touche at nearby Qinhuangdao from 1910-1917 (La Touche 1920, 1921),
together with occasional observations by others including H. W. Hubbard
(1923), G. D. Wilder and H. W. Hubbard (1924), Wilder (1924a, 1924b,
1925, 1940) and other papers cited by Hemmingsen, which showed that
many migrants, including substantial numbers of cranes and Oriental Storks
Ciconia (ciconia) boyciana passed through the area each year. Recent studies
began with a survey in spring 1985 (Williams 1986). This was highly
successful - the results included 652 Siberian Cranes Grus leucogeranus,
around 40% of the world population known at that time.
The 1985 study was followed by China Cranewatch 1986, a survey of the
autumn migration. This was also successful, and observations have since
been made each migration season, especially in the autumn. But though
some reports have been produced (e.g. Homskov 1988, Holt 1989), few of
the post- 1985 results have been published.
This paper summarises the results of autumn migration surveys at Beidaihe
from 1986 to 1990; a full report (including all species recorded) is in
preparation (Williams in prep.). For more information on crane migration at
Beidaihe, see Williams et al. (in press); for storks, see Williams et al. (1991).
Results are included from the following:
1986: China Cranewatch 1986 (led by MDW; eight members, some for
4
M. D. WILLIAMS ei al.
Forktail 7
less than the full period), 20 August to 20 November.
1987: observations from 18 August to 30N ovember; 12 people (most for
less than the full period) contributed to the log; data collection co-ordinated
by Jesper Homskov, Stig Jensen and John Palfery.
1988: observations from 8 September to 18 November by Jesper Homskov
(Homskov 1989); survey of late autumn migration by Earthwatch teams led
by MDW and XW (often helped by JH, though logs kept separately),
8 October to 16 November.
1989: survey of late autumn migration by Earthwatch teams led by MDW,
XW and GJC, 8 October to 16 November; includes observations by seven
visiting British birdwatchers present for much of this period.
1990: log kept by Jan Hjort Christensen from 19 August to 22 October,
after which JHC contributed to log kept by Earthwatch teams led by MDW,
XW and Steve Holloway, 23 October to 16 November.
HABITATS
There have been considerable changes to the area since spring 1985 (see
Holloway 1986 for a description of the habitats in spring 1985 and a
summary of changes from the time of Hemmingsen to spring 1985). These
largely result from the rapid expansion of Beidaihe and the creation of a new
town, Nandaihe (= ‘South [of the] Dai River’) between the Daihe (= Tai-Ho)
and the Yanghe (= Yang-Ho). [Note that in previous reports, including
Williams (1986), the Wade-Giles form of romanisation of Chinese names
was used for localities at Beidaihe. Here, we adopt the pinyin system in
which, e.g., Peking becomes Beijing and Peitaiho becomes Beidaihe.] The
changes were most marked between spring 1985 and autumn 1986; it
appears that the pace of development has slowed considerably since 1986
(partly, we believe, through tighter control of building in the area).
The following are among the localities affected by developments.
The Henghe (— Heng-Ho) reservoir [or Xinhe (New River) reservoir; it
seems locals do not know the name Henghe, though it was used by
Hemmingsen]. In 1987, work began on creating fish ponds and shrimp
ponds to the south of the reservoir. These are now in operation. Most of the
land they occupy was disused paddy fields in spring 1985; these were
productive for freshwater marsh birds such as bitterns Ixobrychus, crakes and
Locustella warblers. The ponds are not especially productive for birds. They
are classed as temporary, and are included in the area of a proposed
migratory birds reserve (Ounsted 1990): it is hoped that future landscaping
and management may make them more attractive to birds, perhaps while fish
and shrimp farming continue. More fish/shrimp ponds have been created in a
marshy area north of the reservoir (this area was relatively unproductive in
spring 1985).
Eagle Gully, a small gully to the south of Eagle Rock, is a very good place
for watching passerines such as buntings, warblers and thrushes. The
1992
Autumn bird migration at Beidaihe
5
orchards at the upper part of the gully have been destroyed to make way for a
large building.
The fields near Fish-Hook Point were partly transformed into a hotel
compound during spring 1985. Much of the remainder of the land is now
occupied by buildings; there is also an excavation of an old summer retreat
for Chinese emperors. Trees have been planted above the shore, but most are
pines and do not hold numbers of birds for long.
The Daihe Pool (Tai-Ho Pool), which held good numbers of shorebirds in
spring 1985, has been transformed into a fish or shrimp pond, and latterly a
boating pond, which attracts few birds.
A road bridge has been built over the Yanghe estuary. This has increased
disturbance of the area, which was the best habitat for shorebirds in spring
1985. It does, however, enable easy access to the southern shore of the
estuary - notably to extensive fish and shrimp ponds, which offer good views
of the mouth of the river (where ducks and gulls may be seen in good
numbers).
A positive change, presumably resulting from the mosdy higher tides (and
increased siltload of rivers because of higher rainfall?) in summer, was the
much higher amount of silt on the Sandflats in early autumn than in spring
1985 (the silt layer was gone from most of the Sandflats by late autumn).
This made the area far more attractive to shorebirds than in spring 1985.
METHODS
The methods were similar to those of the 1985 survey (Williams 1986), with
observation (using binoculars and telescopes) providing the means of data
collection. The great majority of passing migrants noted during the surveys
were recorded during periods of prolonged observation from suitable vantage
points, notably the Lotus Hills. Daily counts were made of migrants present
at areas representing the various habitats in and around Beidaihe.
The 1986 and Earthwatch surveys placed special emphasis on recording
actively migrating birds, through maintaining near-continuous daytime
observations from vantage points at the Lotus Hills, at the western edge of
town. This was because the totals of passing migrants recorded at Beidaihe
can be significant, and comparison of results from different seasons is
relatively straightforward.
During the other survey periods, there was also good coverage from the
Lotus Hills watchpoints, though this was less systematic.
During the 1986 and Earthwatch surveys, birds passing localities in and
around Beidaihe were individually logged according to locality. Otherwise,
totals of birds present in or migrating over the Beidaihe area were recorded.
Methods used to record passing migrants
The main locality for recording passing migrants was the Lotus Hills. In
spring 1985, observations were made from the south-eastern hill. This is a
6
M. D. WILLIAMS et al.
Forktail 7
little lower than the ‘main’ hill, to the north-west, and views to the west and
north-west are obscured. However, there are excellent views in other
directions. Soon after members of the 1986 team began observations here in
autumn 1986, soldiers said they could not stay at the watchpoint (it is near a
military area). Other sites on the main hill were tried, but none proved
satisfactory - trees obscured views and there were too many visitors, and a
rocky outcrop west of the main hill was chosen as the watchpoint for much of
the autumn. This is lower than the south-eastern hill, and views to the east
are poor as they are blocked by the main hill (most of Beidaihe cannot be
seen), but views over the plain are excellent.
This outcrop proved a good vantage point, but in 1986 most cranes passed
to the east of the Lotus Hills, with flocks disappearing behind the main hill
for long periods, or only located as they appeared over the southern slope of
the hill, often too distant for identification. Largely to obtain better views of
the cranes (and possibly record more, and identify a higher proportion),
observations were made from the south-eastern hill in late autumn 1987, and
during the Earthwatch surveys (there was no trouble from soldiers). The
rocky outcrop was regularly used as a watchpoint in 1987 until 20 October
and in 1988 to around mid-October, and occasionally thereafter; Homskov
(1989) considers it better than the south-east hill for recording migrating
small passerines. It is perhaps also better for recording the birds which mainly
pass over the plain, e.g. raptors and storks.
Greater care was taken with counts and estimates of numbers of birds in
flocks of cranes and storks than, say, Rooks Corvus frugilegus or Carrion
Crows C. corone. Thus flocks of Rooks or Carrion Crows were typically
‘counted’ by one observer, who might make a fairly quick estimate of, say, 60
birds (perhaps by counting ten birds, then estimating how many tens the
flock contained), which was entered in the log. Crane and stork flocks were
often counted by more than one observer, the figures only being announced
once all counts were complete. In some cases, perhaps after re-counts, the
figures agreed exactly and so gave the figure entered in the log. In others, a
‘best’ figure was chosen, or an average was entered. We found that counts
might produce the same figure for even the larger flocks of cranes, perhaps
with over 300 birds (the largest ‘flocks’ are usually groups of crane
formations, each of which can be counted separately). This suggests that
even the largest crane flocks can be counted accurately. Problems can arise,
however, on ‘wave’ days, when flocks may pass in quick succession, not
allowing time to repeat counts.
Whenever possible, flocks of birds which use thermals to gain height and so
minimise energy use during migration were not counted as they ‘thermalled’,
as the circling birds are probably impossible to count with any accuracy
(cranes, storks, raptors, swifts and crows all use thermals in this manner). If
the birds were in a thermal when they were located, we found it best to wait
until they began heading off from the top of the thermal (as raptors do), or
re-grouped into the flock formation (e.g. cranes) before we began counting.
To minimise over-recording of passing large birds such as storks, cranes
1992
Autumn bird migration at Beidaihe
7
and raptors by entering records in the log for the same birds seen from more
than one locality, numbers of birds, flight paths and times were compared. If
it appeared that birds had been seen from more than one locality, only one
observation was entered in the log. For small birds, especially passerines, all
observations were logged as, for example, it was assumed that the great
majority of those seen from the Sandflats would be different to those seen
from the Lotus Hills.
During the 1986 and Earthwatch surveys, totals entered in the log were
simply the sums of all counts. In 1987 and 1988 (Homskov 1989) the totals
were rounded up or down somewhat arbitrarily if it was felt this better
reflected the true accuracy of the figure, which might be largely derived from
approximate counts, e.g. a total of 232 might be rounded down to 230.
Variations in the degree of daily coverage
The following factors influenced the degree of daily coverage:
Number of observers. The number of observers during the surveys fluctuated,
ranging from one to ten or more (typically three to seven). The main periods
with one observer were 8 September to 7 October 1988 and 19 August to
22 October 1990 (though, especially in 1990, there was some help from
birdwatchers who visited during these periods), and the last ten days of
November 1987.
Variation in weather and numbers of birds grounded or passing. As in spring
1985, the weather was rarely solely responsible for affecting the degree of
coverage of the area: there were a few days when heavy rain or snow
prompted observers to shelter in hotel rooms (considerable migration was
sometimes evident once the weather began clearing - i.e. a cold front was
moving away to the east).
In 1986, the Lotus Hills observations were made daily, weather permitting.
The watchpoint was manned on a rota basis, with rarely less than two
observers present; observation periods totalled 853.6 hours (2,624 man¬
hours) - an average of around 9.25 hours per day. Initially, observations
typically began by 07h30; the starting time became earlier as Pied Harriers
Circus melanoleucos could be passing in numbers soon after dawn, and several
watches in September began at 06h30 (Beijing summer time; just before
sunrise). The observations typically ended by 15h00-16h00 (rarely 12h00-
13h00 on very quiet days), once continuing to 18h40 (on 12 September, a
day of heavy migration). Later in the autumn, observations tended to start
and finish later (often 06h30-07h00 to 16h00-17h00, winter time). This was
because fewer birds were passing in the early morning, and cranes, especially,
were mainly seen in the afternoon. Again, observations were cut short if there
was very little passing, prolonged if there was heavy migration, and began
earlier than normal if the weather seemed promising.
Lotus Hill observations during the Earthwatch surveys roughly followed
this late autumn pattern, though were more likely to be abandoned if little
was passing and conditions were not promising, and there were no
8
M. D. WILLIAMS et al.
Forktail 7
observations at Beidaihe on a few days when other localities were visited (on
all these days, the weather seemed poor for migration).
RESULTS
The timing of the migration in autumn 1986
The timing of the migration noted by each of the autumn surveys was
broadly similar. The following account is based on the autumn 1986 survey,
and indicates the birds seen as the autumn progressed.
During the initial part of the survey, in late August, the daily maximum
temperature remained at around 30°C (the range was 28.5-33°C), and
minimum temperatures were between 21.2 and 24°C. Shorebirds are among
the earliest autumn migrants at Beidaihe (the records of La Touche 1920,
1921 and Hemmingsen and Guildal 1968 suggest that the peak of autumn
shorebird migration at Beidaihe occurs around the end of July and early
August), and occurred in numbers, with over 2,000 individuals of 34 species
recorded on the 27th. White-winged Terns Chlidonias leucopterus were also
common, the maximum count being 900 on 30 August (Hemmingsen had
noted ‘countless numbers’ passing down the coast as early as the end of
June). Over 9,000 Fork-tailed Swifts Apus pacificus were logged between
20 August and the end of the month, almost half this total passing in just two
hours in the afternoon of the 30th. The survey’s first Relict Gull Larus relictus
- and the only adult of this species seen during the autumn - was at the
Sandflats on 23 August. Arctic Warblers Phylloscopus borealis, Yellow-rumped
Flycatchers Ficedula zanthopygia, Dark-sided Flycatchers Muscicapa sibirica,
Grey-streaked Flycatchers M. griseisticta and Asian Paradise-Flycatchers
Terpsiphone paradisi were among the early passerine migrants.
Counts of passing migrants were rewarding during the first half of
September, when notable totals included 2,874 Pied Harriers on 10th, and
2,978 Pied Harriers, 152 Japanese Sparrowhawks Accipiter gularis and 916
Oriental Pratincoles Glareola maldivamm on 12th. In the early mornings,
actively migrating passerines were evident, with counts including 483
Richard’s Pipits Anthus ( novaeseelandiae ) richardi on 13th, 1,438 Yellow
Wagtails Motacilla flava on 6th and 189 Yellow-billed Grosbeaks
Coccothraustes (Eophona) migratorius on 7 September.
The variety of passerines increased as September progressed, with the first
sightings of species such as Siberian Rubythroat Erithacus ( Luscinia ) calliope,
Orange-flanked Bush Robin Tarsiger cyanurus, Chestnut-eared Bunting
Emberiza fucata and Black-faced Bunting E. spodocephala during the second
half of the month. There were two first-winter Relict Gulls at the Sandflats
on 8 September; sightings of first-winter birds were to continue to the end of
the survey.
For much of the period between mid-September and the second week of
October the weather was stable (anticyclonic) and observations from the
1992
Autumn bird migration at Beidaihe
9
Lotus Hills were rather unproductive. Songbird movements continued, e.g.
238 Olive Tree-Pipits Anthus hodgsoni were logged on 24 September and 951
Chestnut-flanked White-eyes Zosterops erythropleurus headed south on
20 September, and there were good numbers of Bam Swallows Hirundo
rustica and Red-rumped Swallows H. daurica, with totals of over 950 and
2,700, respectively, on 4 October. However, the numbers of raptors were
generally disappointing, the highest tally being 500 Pied Harriers on
20 September. On 23 September, 3,504 Grey-headed Lapwings Vanellus
cinereus were recorded from the watchpoint.
A sizeable influx of Radde’s Warblers Phylloscopus schwarzi was noted on
28 September, when 159 were recorded. Though this was the main species
involved in the ‘fall’, there were good numbers of other grounded passerines,
including six Siberian Rubythroats, eight Bluethroats Erithacus (Luscinia)
svecicus, five Scaly Thrushes Zoothera dauma, 28 Lanceolated Warblers
Locustella lanceolata, 114 Inornate (Yellow-browed) Warblers Phylloscopus
inomatus, 21 Red-throated Flycatchers Ficedula parva and 209 Black-faced
Buntings. A cold front moved eastwards over Beidaihe late on 9 October,
and there was a flurry of migration the next day, when 146 Grey Herons
Ardea cinerea, 160 Purple Herons A. purpurea and 16 species of raptors -
including 56 Northern Goshawks Accipiter gentilis, 319 Common Buzzards
Buteo buteo and five Greater Spotted Eagles Aquila clanga - moved south.
From this date to the end of the survey period, the weather reverted to the
periodicity which appears typical of north-east China (Hemmingsen 1951),
and successive arrivals of northerly airstreams, usually preceded by cold
fronts, stimulated further ‘waves’ of migration. Cranes and geese began to
occur in some numbers, and Upland Buzzards Buteo hemilasius were fairly
common, the maximum count being 102 on 28 October. The first large
Oriental Stork flock - numbering ca. 280 birds (over one-quarter of the
known world population prior to the survey) - was seen at dusk on 29
October. The highest day totals of Common Cranes Grus grus and Hooded
Cranes G. monacha - 1,269 and 438, respectively - were logged on 5
November. The next day, Oriental Stork numbers peaked, with a total of 742
resulting from just three sightings (flocks of ca. 360 and ca. 380, and two).
The overall migration declined markedly in November, when most winter
visitors, including the Common Goldeneye Bucephala clangula and the
Siberian Accentor Prunella montanella, became established. Late records
included a Red-throated Flycatcher on 1 7 November.
The Henghe Reservoir and the Sandflats were largely frozen over on
16 November, by which date there were relatively low numbers of passing
birds, even on days with apparently good migration weather. Common
Mergansers Mergus merganser were the last of the waterfowl to occur in
numbers; 400 were recorded from the Lotus Hills watchpoint in the last
week of the survey. Red-crowned Cranes Grus japonensis, which seem to be
the most cold tolerant of the genus, continued to occur in small numbers,
and the peak count of Great Bustards Otis tarda -70 birds - was made on
17 November.
10
M. D. WILLIAMS et at.
Forktail 7
The routes used by migrants observed passing Beidaihe
Most migrants observed passing Beidaihe followed the trend of the coast -
i.e. flew from the north-east towards the south-west (to avoid unnecessary
repetition, this has hereafter been simplified to ‘south’). Many overflew the
town, rather than fly around the roughly triangular headland Beidaihe
occupies.
La Touche (1914) also found that birds tended to follow the coast in the
autumn: ‘The birds when bound south appear generally to follow the coast
line, and many species may be observed by day, skirting the coast or passing
overhead, either over Chinwangtao [= Qinhuangdao] or not far inland.’
Wilder (1924a) observed smaller birds ‘coming across the gulf [of Bohai]’,
and suggests that: ‘Probably the migration route for them follows the China
coast only approximately, cutting off the gulf by flights across rather than
going around, as the waterfowl seem to do, so that their line of flight is
southwest.’ He says La Touche also found that smaller birds crossed the gulf,
yet it seems that La Touche only found this was the case in spring (La
Touche 1914). From our observations, it may be that the birds arriving from
across the gulf - which may include raptors, cranes and others, as well as
passerines- may have only taken a short cut from somewhere near
Shanhaiguan, over the sea to Beidaihe, rather than following the curve of the
coast. Radar studies should help with determining routes of birds passing
through the area - and show to what extent the migration is concentrated
over Beidaihe.
Waders and terns were good examples of birds taking the short cut over
Beidaihe. From observations at the Sandflats (few were seen from the Lotus
Hills, as they passed too far to the east); it appeared they tended to pass
down the coast to the Sandflats, then head over Beidaihe before continuing
on down the coast.
Cranes also mainly passed over Beidaihe, or even out over the sea. Some
3,091 (65%) of the 4,779 cranes for which routes were noted in 1986 passed
to the east of the Lotus Hills (much to the frustration of the observers, since
the highest Lotus Hill severely restricted views in this direction from the 1986
watchpoint). Though routes were not noted in later autumns, the majority of
cranes again passed to the east of the watchpoint. (This contrasts with the
spring, when it seems the tendency is for the birds to pass over the plain,
perhaps accounting for Hemmingsen’s autumn crane totals mostly well
exceeding his spring totals.) The larger flocks were especially prone to pass
over the town or sea, perhaps as they were led by birds well used to travelling
down the coast (smaller flocks, as they have fewer birds, are less likely to have
‘old hands’).
By contrast to the cranes, the majority of Oriental Storks passed over the
plain inland of Beidaihe: 1,565 (66%) of the 2,358 birds for which routes
were noted in 1986 passed to the west of the Lotus Hills, and most of the rest
passed over the hills themselves; 624 flew over the hills and just four flocks,
totalling 169 birds, passed to the east of the hills. The Black Storks Ciconia
nigra showed an even higher tendency to pass over the plain; several flocks
1992
Autumn bird migration at Beidaihe
1 1
were seen well to the west of Beidaihe (appearing distant even through
telescopes): this may reflect the species’ liking for roosting in mountains as
well as in lowland fields and wetlands (which are probably the preferred
roosting habitats of the Oriental Stork).
Raptors also mainly passed over the plain, though their routes were perhaps
affected more by wind direction than those of the above species. North-west
winds were usually the most productive for raptors, suggesting that the birds
had been drifted eastwards from a more typical route to the west of Beidaihe.
Further evidence for a more westerly route is provided by occasional
observations at Shanhaiguan, ca. 30 km north of Beidaihe. Raptors, and
Black Storks, have been noted passing in fair numbers over the mountains
east of Shanhaiguan on days when little migration was evident at Beidaihe, or
the weather conditions were much as on very quiet days for migration at
Beidaihe. There was perhaps a tendency for raptors to pass over the town
and the Lotus Hills more in the morning than the afternoon, when the main
route was over the plain: e.g. on 1 1 October 1988, when ca. 1,100 Common
Buzzards were logged, birds passed over the town and Lotus Hills in the
morning, the route was roughly centred over the Lotus Hills by midday, and
birds seen in mid afternoon were mostly passing well to the west. This may
result from thermal developments during the day. So, presumably, does the
tendency for raptors to be lower during early morning than around mid-
morning to early afternoon, when Pied Harriers, especially, were sometimes
so high that they could only be detected with binoculars.
Small passerines migrated over a broad front, overflying Beidaihe (the
Sandflats was a good locality for recording early-moming passerine
movements) and the plain, though there were no records of any numbers
passing over the sea east of town. As with several other birds, it appeared
there was a tendency for them to arrive from over the sea to the east of town,
and fly westwards or south-westwards overland. This may reflect the use of
the Beidaihe headland, and especially the Lotus Hills, as landmarks in an
otherwise flat coastline. As noted above, the rocky outcrop at the Lotus Hills
may be a better watchpoint for recording actively-migrating small passerines
than the south-eastern hill. The passerine migration on a given day may not
be over a broad front, and there may be great differences in numbers
recorded at different localities. Good examples are 11 October 1988, when
2,715 Chinese Penduline-Tits Remiz (pendulinus) consobrinus were recorded
from Daihe, yet only 50 from the Lotus Hills, and 13 October 1988, when
4,500 Eurasian Skylarks Alauda arvensis were recorded from Daihe, and only
144 from the Lotus Hills. The wind was force 4-5 on both these days, north¬
west to west on 11th and westerly on 13 October, and the birds may have
been flying low as a result (substantial numbers of actively migrating small
passerines have been recorded from the Lotus Hills on other days).
Correlations between weather and migration
Hemmingsen (1951) notes that, in north China, weather variables such as
temperature and air pressure show periodic fluctuations, with typical intervals
12
M. D. WILLIAMS et al.
Forktai! 7
between highs and lows of the variables of five to seven days. The numbers of
migrants seen at Beidaihe are strongly dependent on these fluctuations in
weather, and some birds, e.g. cranes, have apparently evolved migration
strategies which involve them waiting for optimum migration conditions
before undertaking the stage of their journey which passes Beidaihe.
These optimum conditions typically include winds with a northerly
component, especially after a cold front has passed east over the area, and
may lead to spectacular ‘waves’ of visible migration.
Thousands, or tens of thousands, of birds may also occur during ‘falls’ -
arrivals of grounded migrants, typically with very little visible migration.
These falls apparently mainly coincide with falling air pressure.
The periodic changes in weather thus serve to stimulate migration, and
migration waves and influxes are fairly frequent, though may differ strongly
in the numbers of birds involved. However, stable, anticyclonic weather can
result in little evident migration, even though skies are normally clear (i.e.
birds would not experience navigation problems) . It may be that this is partly
because winds are light and variable, and birds prefer to wait for a wind with
a more consistent northerly component (e.g. following a cold front); also, the
typically warm weather will help ensure that food is still available.
Weather stimulating migration waves. As mentioned, waves of visible migration
were sometimes noted after the passage of cold fronts - i.e. in classic autumn
migration weather (Elkins 1983). Typically, conditions become more hazy
prior to the arrival of a front, it may be warm, and there is little migration
(there may be good numbers of grounded birds; see below). The arrival of
the front is marked by the sky becoming overcast and, as the front passes
over, heavy rain or snow may fall, and the wind swings towards west to north,
and becomes fresh or strong. The rain or snow eventually eases, and the
visibility becomes good or very good, and the sky eventually clears
(sometimes, the wind may not freshen until the cloud has passed to the east).
An excellent example of a cold front which stimulated a migration wave
passed Beidaihe during 14 and 15 October 1989. The front arrived late on
14 October, and it was raining, with a fresh north wind, in the early morning
of 15 October. Observations from the Jin Shan Hotel, eastern Beidaihe,
produced over 200 unidentified ducks heading south over the sea, but few
other passing migrants while it was raining. However, as soon as the rain
eased at around 09h00, Grey Heron migration was evident; 1,417 were
recorded by observers at the east coast of Beidaihe from this time to 1 lh30.
Two White Spoonbills Platalea leucorodia and 135 Great Cormorants
Phalacrocorax carbo were also of note during the morning. There was
something of a lull around midday, but with the sky clearing and the wind
from the north (cold), the afternoon produced most of the day’s totals of 2 1
Black Storks, 26 Northern Sparrowhawks Accipiter nisus, 26 Northern
Goshawks, 427 Common Buzzards, 1,167 Daurian Jackdaws Corvus
dauuricus and 2,693 Rooks or Carrion Crows.
The following day, the wind remained northerly, fresh, in the early
1992
Autumn bird migration at Beidaihe
13
morning (became light by 08h00, and westerly from mid-morning onwards),
the sky was clear, and the wave continued, with 52 Northern Sparrowhawks,
41 Northern Goshawks, 740 Common Buzzards, three Saker Falcons Falco
cherrug, 33 Great Bustards and 2,303 Rooks or Carrion Crows.
Another cold front arrived on 7/8 November 1990. It cleared Beidaihe by
dawn on 9 November; during the day, the sky was clear, the visibility
excellent, and the wind moderate north-north-east in the early morning,
becoming north-west by mid-morning, and westerly by mid-afternoon. The
day was especially notable for birds of prey, with 1 3 species including three
White-tailed Eagles Haliaeetus albicilla, six Cinereous Vultures Aegypius
monachus (in a party, flying north), 190 Upland Buzzards, four Rough-legged
Buzzards Buteo lagopus, one Greater Spotted Eagle, one Steppe Eagle Aquila
nipalensis and one Imperial Eagle A. heliaca. There were also 135 Oriental
Storks, four Black Storks, 491 Common Cranes (441 were seen from 15h00-
17h00), ten Red-crowned Cranes and 14 Great Bustards.
The next day, the sky was again clear, and the wind north-north-east at
first. But the wind soon became light, and variable after lOhOO, becoming
southerly by midday, by which time only rather low numbers of migrants had
been seen; the only cranes were 20 Common and five which were
unidentified. But, soon after, 28 Common Cranes flew north, and a flock of
85 of the same species flying south at 12h40 marked the start of the best
crane passage in recent years (with all birds seen flying south). The day’s
crane totals were 2,728 Common, 328 Hooded, 135 Red-crowned, and 111
Siberian Cranes, six White-naped Cranes G. vipio and 396 unidentified
cranes.
A third example of a cold front stimulating migration is one which passed
Beidaihe over 13 November and 14 November 1986, clearing the area by the
morning of 14 November. The weather on 13 November was typical for the
approach of a cold front - the visibility was under 1 km in the morning
(reaching 4 km at best), the sky was clear and the wind was west, force 2-4.
Visible migration was at a virtual standstill: the only non-passerine noted
passing the LH watchpoint during 7.25 hours of observations was a Hen
Harrier Circus cyaneus. By 07h00 on 14 November, the cold front had passed
over - the cloud line was already lying to the east of Beidaihe, the visibility
was good (estimated at over 20 km), and the wind was north-east, force 3,
from mid-morning. Though rather late in the autumn, 14 November
produced a fair migration wave, with totals including 277 Oriental Storks,
43 Upland Buzzards, three White-tailed Eagles, 111 Common and 61 Red-
crowned Cranes, 31 Great Bustards, 344 Daurian Jackdaws and
1,042 Rooks or Carrion Crows.
Hemmingsen’s records indicate that he similarly observed migration waves
after cold fronts had passed, e.g. ‘the big goose climax in the autumn of 1943
[ca. 2,400 geese; also ca. 1,000 cranes] came after a strong East storm which
brought with it the temperature fall, but on the day of the maximum
migration the weather was calm and thus appeared mild’ (Hemmingsen
1951: 87).
14
M. D. WILLIAMS et al.
Forktail 7
Fast moving cold fronts as on 14/15 October 1989, 7-9 November 1990
and 13/14 November 1986 mainly occur in late autumn, from mid-October
onwards (they may move from north-west China to the south-east of the
country in only two or three days). They are not the only weather features to
give rise to substantial migration wave conditions at Beidaihe, though it
appears waves mostly occur as the air pressure rises, i.e. on the eastern flanks
of high pressure cells, where winds have a northerly component (the opposite
of the case in spring, when migration waves are associated with the western
flanks of high pressure cells). An example is the wave on 12 September 1986,
when totals included 2,978 Pied Harriers, 152 Japanese Sparrowhawks and
916 Oriental Pratincoles. Though no active front was noted, weather
conditions were as for the arrival of a high pressure cell: the air pressure rose
from 11-12 September; the minimum temperature fell from 22°C over
10-11 September to 15°C over 11-12 September; visibility improved from
less than 8 km with increasing haze on 1 1 September to over 1 5 km on
12 September; and the sky was partly cloudy on 11 September, clear on
1 2 September. The wind on 1 2 September was north-westerly, force 2, in the
early morning and became westerly, force 2, for much of the day from mid-
morning onwards.
A wave similarly occurred with rising air pressure on 29 October 1986,
when totals included 359 Oriental Storks, 590 Bean Geese Anser fabalis, two
White-tailed Eagles, 412 Common, 35 Red-crowned, nine Hooded, two
White-naped and 49 Siberian Cranes and 13 Great Bustards. The wind was
north-west, force 2, in the early morning, becoming north-east, force 4, by
mid-morning, then east, force 4, by early afternoon, and south, force 4, by
mid-afternoon; the sky was clear, and visibility was good (estimated at over
1 5 km) . Though the weather remained fine the next day, the wind was light,
force 1 , from the west for much of the morning, becoming south-west, force
4-5 from midday; by then the visibility had fallen to perhaps 1 0 km and little
migration was evident: there were totals of just three Oriental Storks, three
Bean Geese and 1 1 Common Cranes (no White-tailed Eagles or cranes other
than Common). The weather synopsis for this day is much as for crane wave
days in spring, so the low numbers of migrants presumably reflect the strong
influence of wind direction on crane migration.
Often on wave days, the sky is clear or partly cloudy and there is no rain.
But waterfowl, especially, may pass in numbers during rain (they are better
insulated, and so experience less heat loss, than most land birds). The most
notable example was a wave of geese, ducks and waders on 29 October 1987,
when totals included 2,150 Bean Geese and 10,500 Northern Lapwings
Vanellus vanellus. It was overcast, calm in the early morning; there was a fresh
north-east wind from around 07h30 and rain began around 09h00, lasting
until 15h30. Though some migration was noted in the morning, it was not
until around 1 lhOO that birds began passing in numbers, with large flocks of
geese and Northern Lapwings heading towards the south-west over the
southern coast of Beidaihe (most were seen from the Diplomatic Personnel
Guest House).
1992
Autumn bird migration at Beidaihe
15
Even with weather which may be far from optimum for migration, there
are usually some actively migrating birds to be seen. We have found that, as
on 30 October 1986, days with south-west winds produce little visible
migration. This agrees with the hawk trappers who told Hemmingsen (1951)
that few birds pass on days with south-west winds.
A hawk trapper we spoke to said north-west winds are best for raptor
migration at Beidaihe, in agreement with our observations. Such winds will
stimulate migration as they have a component in the migration direction; as
noted above, they may produce the highest raptor numbers at Beidaihe as the
west component drifts birds eastwards from a more westerly route. Our
observations indicate that cranes, and perhaps Oriental Storks, geese and
other birds, prefer north-east winds - i.e. winds close to, or exactly in, the
migration direction.
The weather which prompts visible migration may result in large ‘clearouts’
of migrants present in the area, which can be all the more obvious as there
may be falls as cold fronts approach (see below). A good example was
15 October 1989, when, although attention largely focussed on visible
migration, there were no records of Orange-flanked Bush-Robins (37 were
logged on 14 October), only one Black-browed Reed-Warbler Acrocephalus
bistrigiceps (26 on 14 October) and no Dusky Warblers Phylloscopus fuscatus
(13 on 14 October). Several species had been fairly common before this date,
but were recorded in far smaller numbers afterwards, e.g. Black-browed
Reed-Warbler, Radde’s Warbler, Red-throated Flycatcher and Chestnut-
flanked White-eye.
Weather leading to influxes. Influxes of migrants appear to mainly coincide
with falling, or low, air pressure (low pressure tends to inhibit migration:
Nisbet and Drury 1968), sometimes as a cold front approaches. Though it
may not rain, or even become cloudy, when the pressure falls, the visibility
falls as the air becomes increasingly hazy (humidity is inversely correlated
with air pressure).
There was a substantial fall as the 15 October 1989 cold front approached.
Numbers included 68 Orange-flanked Bush-Robins, 35 Black-browed Reed,
45 Dusky and 18 Radde’s Warblers and 395 Lemon-rumped (Pallas’s Leaf)
Warblers Phylloscopus proregulus on 13 October. Other falls associated with
low pressure in 1989 included 210 Orange-flanked Bush-Robins and 285
Pallas’s Reed Buntings Emberiza pallasi on 24 October and 80 Orange-
flanked Bush-Robins, 148 Dusky Thrushes Turdus naumanni eunomus, 302
Rustic Buntings Emberiza rustica and 290 Yellow-throated Buntings
E. elegans on 27 October.
Hemmingsen (1951) apparently also recorded falls of migrants as fronts
approached: ‘Days marked down as special “migration days” were e.g.
11 September and again 5 October 1942 and both these occurred
immediately before a storm from E or NE.’
The largest documented fall at Beidaihe was observed by Wilder and
Hubbard. Wilder (1924b) rather casually relates that ‘On September 10 the
16
M. D. WILLIAMS et al.
Forktail 7
Siberian blue chat [= Siberian Blue Robin] ( Larvivore cyane [ -Erithacus
cyane ]) was in the fields and on the grassy hillside among small pines in
thousands, and the brown flycatcher ( Muscicapa latirostris ) in almost equal
numbers. The next morning the former but not the latter had all
disappeared, and other forms had come in on the wings of a rainy
northeaster.’ It may well be that this is another example of a fall as a cold
front (the ‘rainy northeaster’) approaches, and the passage of the front
prompted the departure of the Siberian Blue Robins.
An influx of ducks followed the passage of the front: ‘Green wing teal
[Common Teal Anas crecca ], pintail [A. acuta ] and other ducks were in great
numbers on the 12th at Peitaiho.’ The largest duck influx of recent autumns
coincided with the passage of a cold front. Sleet and snow fell as the front
moved over during the morning of 27 October 1986, and in the afternoon
ducks on the sea off Eagle Rock included 2,140 Common Teal, 222 Gadwall
Anas strepera, 25 Eurasian Wigeon A. penebpe and 90 Northern Shoveler
A. clypeata.
Species of interest
Around 345 species were recorded during the survey. Below, we give records
for species selected as being of particular interest. The list includes all species
recorded in recent autumns which are treated in Collar and Andrew (1988)
(annotated with an asterisk), others which are scarce or restricted in range
(e.g. the population of Black-headed Ibis Threskiomis melanocephalus breeding
in north-east Asia, Eastern Curlew Numenius madagascariensis ), species for
which recent records indicate population changes during this century, or
might represent substantial proportions of the world population (Pied
Harrier), and species for which records in the area are evidently unusual.
Summaries of the autumn records of La Touche and Hemmingsen,
augmented where appropriate by records of other observers and by spring
records of La Touche and Hemmingsen, are given.
Note that survey periods and intensities differed, as discussed above. The
dates were: 1986 - 20 August to 20 November; 1987 - 18 August to
30 November; 1988 - 8 September to 18 November; 1989 - 8 October to
16 November; 1990 - 19 August to 16 November.
The 1987 data are from Palfery (1987); 1988 data are mainly from
Homskov (1989), sometimes together with records from the Earthwatch
survey from 8 October to 16 November; 1989 data to 22 October were
supplied by J.H. Christensen (in litt.); other data are from logs kept by
M. D. W. and G. J. C.
Abbreviations used are as follows:
References Ch - Cheng (1987); COE - Williams (1986); H - Hemmingsen
and Guildal (1968); Ho - Homskov (1989); LT - La Touche (1920, 1921);
P - Palfery (1987); Sh - Shaw (1936); WH - Wilder and Hubbard (1924,
1926).
Localities at Beidaihe LH - Lotus Hills; Re-Henghe reservoir; Se -
seafront along the southern coast of Beidaihe (from Legation Point west to
1992
Autumn bird migration at Beidaihe
17
near the Lotus Hills); SF - Henghe Sandflats (an estuarine area on the
northern edge of town); YH - Yanghe estuary (ca. 5 km south of town).
CHINESE POND-HERON Ardeola bacchus LT, H - no records. WH - first
specimen shot about 1908, subsequently records (in Hebei) in five years of
no more than six birds in a day. COE - common, 22 April to 1 June;
breeding at Re. Ch - summers in Hebei.
1986: 147 bird-days were logged from 22 August to 16 October. The
maximum day count was 42 on 27 August, when the main passage
commenced, and this lasted until 6 September. During this period, 102 bird-
days were logged, including 10 coming in from over the sea on 6 September.
Most records were from Re, though birds were occasionally seen migrating
over SF.
1987 (P): 644 bird-days, beginning of survey to 27 September. The highest
day totals were 61 on 19th and 96 on 30 August, 55 on 1st, 50 on 7th and 70
on 1 6 September: most or all of these were counts of birds at Re at dusk.
1988 (Ho): 64 bird-days, 1 1 September to 5 October.
1990: 434 bird-days were logged before 23 October; highest day total 40
on 29 August.
*CHINESE EGRET Egretta eulophotes LT - no records. Wilder (1941) -
specimen collected, 5 September 1941. H - eight on 1 June 1944, one on 6
June 1945. COE - no records. Ch - no records from Hebei; status: very rare
elsewhere.
1987 (P): single birds at Re on 27 and 28 August and 12 September.
1990: one was at SF on 21 September.
GREAT EGRET Egretta alba LT - one record, 5 November. WH - once
very common in Hebei, but population greatly decreased as a result of plume
hunting. H - two certain records of E. a. alba - three on 3 1 March and one
on 22 October; one probable E. a. modesta on 4 August 1944. E. a. alba
records in China are in late autumn, winter or early spring; summer records
of Great Egrets are of E. a. modesta. COE - 14 birds, 9 April to 21 May. Ch
- occasionally recorded from Hebei.
1986 five individuals were recorded; all were seen from LH, flying south.
There were singles on 10 and 23 September and three on 17 September.
1987 (P): singles flew south on 20, 22 and 31 August, 2 September and
30 October.
1988 (Ho): 11 flew south, 7-17 November.
1988 (Earthwatch): ten birds seen in November, flying south: seven on
4th, two on 9th and one on 1 4th.
1989: singles flew south on 19 and 31 October.
1990: before 23 October, 32 bird-days were logged (20 individuals?); the
highest count was nine at SF on 5 September. From 23 October, nine were
recorded flying south: seven on 2nd and singles on 9 and 10 November.
It seems likely that birds seen in early autumn are E. a. modesta, late birds
are E. a. alba (Hemmingsen and Guildal 1968).
18
M. D. WILLIAMS el al.
Forktail 7
^ORIENTAL STORK Ciconia (ciconia) boyciana LT - four birds probably
this species, 20 November 1910. H - seen between 22 October and
16 November (possibly on 28 November). Autumn totals of 1,000-1,500
(1942), 687-887 (1943), at least 1,466 (1944) and 1,000-4,000 (1945). At
least 1,000 birds recorded on three days: 1,000-1,500 over 12-13 November
1942 (arrived in the evening at Grassy Sands, remained because of fog) and
1,000-4,000 on 12 November 1945. On the latter date, ‘one huge flock after
the other passed GS in the course of 4 hours in the morning without settling
for long, or some perhaps not settling at all.’ COE - 12 birds, mosdy in the
latter half of March. Ch - migrates through Hebei; status: rare.
1986: about 2,729 individuals were recorded flying south, from 1 1 October
to 16 November. The main passage was from 28 October to 10 November;
2,395 birds (87.8% of the total) were recorded during this period. The
maximum day total was 742 (360, 380 and two) on 6 November; 359 on
29 October and 567 on 3 November were other notable day totals.
1987 (P): 1,531 were recorded flying south from 15 October to
21 November; highest day totals 300 on 30 October, 368 on 2 November
and 430 on 10 November.
1988 (Ho): 1,796 birds flew south, mid-October to 17 November.
1988 (Earthwatch): 1,789 birds were recorded flying south from
1 1 October to 1 3 November. Additionally, one was at YH on 20 October.
Six flew south before 26 October, when the main passage began. The highest
day total was 1,104 birds on 13 November; 156 on 29 October, 200 on
1 1 November and 136 on 12 November were other notable tallies.
1989: 1,113 flew south, 15 October to 13 November; 1,101 flew south
from 27 October to 1 1 November; highest day totals 329 on 7 November
and 480 (469 and 1 1) on 1 1 November.
1990: before 23 October, one was recorded on 15 October. From
23 October, 848 were recorded flying south from 2-14 November; the
highest day totals were 135 on 9th, 234 on 10th and 240 (one flock) on
1 1 November.
BLACK-HEADED IBIS Threskiomis melanocephalus LT - one on 5 October
1913. H - three flying west on 19 September 1943. COE - no records. Ch -
migrates through Hebei; status: very rare.
1987 (P): one flew south on 30 October.
1989: one flew south on 15 October.
BEAN GOOSE Anser fabalis LT - geese (mainly this species) pass from the
end of August or beginning of September to 5 or 6 November. H - more
common in autumn than in spring, 21 August to 23 November; totals of
3,913 (1942), 10,044 (1943), 2,438 (1944) and 3,196 (1945). COE - 2,607
birds, 1 5-3 1 March. Ch - migrates through Hebei; status: fairly common.
1986: 1,904 birds were recorded flying south from 17 October to
16 November. The first record, of eight birds, was not followed until
26 October, when main passage began, lasting until 10 November. During
1992
Autumn bird migration at Beidaihe
19
this period, 1,848 birds were recorded. The great majority of birds were seen
migrating past LH. The maximum day total was 590 on 29 October (when
three flocks were heard passing over the town after dusk); 395 on
4 November and 342 on 7 November were other notable tallies.
1987 (P): 3,588 flew south from 16 October to 16 November; 2,150 flew
south on 29 October.
1988 (Ho): at least 366 birds, 1 October to 15 November.
1988 (Earthwatch): 420 birds were recorded flying south, and two flying
north, from 28 October to 15 November. The highest day total was 105
birds on 10 November.
1989: 903 bird-days (900 flew south), 9 October to 13 November; highest
day totals 259 on 5 November and 128 on 6 November.
1990: 178 were recorded flying south, 24 October to 15 November;
highest day total 68 on 5 November. A bird with near white wing-tips was
seen on 9 November.
Even were all the unidentified geese (see below) this species, all the recent
autumn totals are less than half Hemmingsen’s highest total.
Unidentified geese Anser spp.
1986: 761 unidentified geese were recorded from 10 October to
14 November. Flocks of 35 on 10 October, 41 on 14 October and 40 on
21 October were the only records until the 26 October. A total of 642 birds
was then recorded during the main period of Bean Goose migration making
it likely that most of the unidentified geese were this species. Most birds were
seen from LH; the maximum day total was 281 on 29 October, the same
date as the peak of Bean Goose migration.
1987 (P): 692 were recorded flying south.
1988 (Ho): at least 157 were recorded.
1988 (Earthwatch): 247 were recorded flying south.
1989: 530 bird-days (519 flew south, 11 flew north), 15 October to
12 November; 357 flew south on 15 October.
1990: before 23 October, 185 were recorded flying south on 14 October.
From 23 October, 439 were recorded flying south, 3-11 November; highest
day totals 206 on 7 November and 74 on 9 November.
NORTHERN PINTAIL Anas acuta LT - perhaps the most abundant of the
larger ducks, mid-September to the end of October. Wilder (1924b) - in
great numbers, 12 September 1924. H - noticeably less common than in
spring; six dates in one autumn, 1 9 July and 23 September to 1 1 October.
COE - 1 67 bird-days, 1 6 March to 30 April. Ch - migrates through Hebei;
status: abundant on passage.
1986: 35 or 36 bird-days were logged from seven dates over
1-27 September. The first record was of 18 flying south past LH, and the
remaining 17/18 birds were recorded during the last ten days of the passage
period at SF, YH and Re.
1987 (P): one on 25 September and 137 flew south over 26-29 October
(including 133 on 29 October).
20
M. D. WILLIAMS et al.
Forktail 7
1988 (Ho): 40 bird-days, 4-10 October; flock of 38 on 10 October.
1989: 51 bird-days, 15 October to 5 November; 45 flew south on
1 5 October.
1990: before 23 October, 53 bird-days, highest day total 43 on
29 September. From 23 October, 55 flew south on 8 November.
The recent studies do not support La Touche’s assertion that this may be
the most abundant of the larger ducks.
COMMON TEAL Anas crecca LT - very abundant, beginning of September
to the end of October. Wilder (1924b) - in great numbers, 12 September
1924. H - less common in autumn than in spring, 16 September to
25 October. COE - 1,175 bird-days, 19 March to 20 May. Ch - migrates
through Hebei; status: very common.
1986: a total of 2,161 bird-days was logged. The great majority were seen
on 27 October, when ca. 2,140 were on the sea off SF in the afternoon, after
a cold front had arrived. Otherwise, only single figures recorded on seven
days: one from LH on 1 September; at Re, one on 15 September, two on
21 September, four on 27 September, two on 29 September and seven on
6 October, also one at SF over 30-3 1 October.
1987 (P): 51 bird-days, 21 September to 1 November.
1988 (Ho): 14 bird-days, 7-12 October.
1989: 72 bird-days, 8 October to 1 November; 45 flew south on
15 October.
1990: before 23 October, 32 bird-days, highest day total 15 on
29 September. From 23 October, one was at SF on 3 November and three
flew south on 8 November.
^BAIKAL TEAL Anas formosa LT - extremely abundant on passage,
beginning of September to the end of October. WH - erratic spring migrant
in Hebei, less conspicuous in autumn by far. H - only one in autumn, but
dense flocks seen spring 1944. COE - five birds on 20 March. Ch - migrates
through Hebei; status: fairly common during migration and in winter.
1986: the only record was of a female or immature at Re on 15 September,
with a small flock of Common Teal and Falcated Duck.
1987 (P): singles on 13 and 16 September.
1988 (Ho): one flew south, 14 September.
1990: two records of a female (same bird?), at Re on 25 August and SF on
30 August.
The few recent records contrast markedly with earlier observations,
especially by La Touche, substantiating reports that there has been a marked
decline in the population of the Baikal Teal.
FALCATED TEAL Anas falcata LT - extremely abundant during the latter
half of September, remaining during October and occasionally until
November. H - only one autumn record, 23 September 1942. COE - 355
bird-days, 21 March to 31 May. Ch - migrates through Hebei; status: fairly
common, declining in recent years.
1992
Autumn bird migration at Beidaihe
21
1986: 32 bird-days were logged from 25 August to 16 October. Only seen
on 1 1 dates: at Re, singles on 25 and 27 August, nine on 14 September, two
on 21 September, four on 27 September, five on 29 September and one on
7 October; also one seen passing LH on 30 September, six at SF on
1 4 October and two at YH on 1 6 October.
1987 (P): 21 bird-days, beginning of survey to 25 October; 10 were
recorded flying south.
1988 (Ho): 24 bird-days, 10 September to 7 October.
1989: 14 were at Re on 15 October.
1990: 306 bird-days, highest day totals 39 on 15 September, 71 on
22 September and 45 on 29 September; all before 23 October, and mainly
recorded at Re.
*BAER’S POCHARD Aythya baeri LT - extremely abundant during the
latter half of September and beginning of October, remaining until the end of
October. H - four possibly seen, 30 April 1943. COE - ca. 20 individuals,
23 March to 1 June; a pair remained at Re to the end of the survey period.
Ch - migrates through Hebei; status: fairly common.
1986: recorded at Re on three dates: one on 1 October, 10 on 5 October
and one on 1 0 October.
1988 (Ho): five birds flew south and one was seen at Re on 24 September.
1990: two records at SF: six on 2 October and one on 14 October.
Only La Touche has found this species extremely abundant in the area -
more recent work has found it to be rather scarce, suggesting a substantial
decline since early this century.
MANDARIN DUCK Aix galericulata LT - one record, 17 April 1913. H - a
flock of 17 on 11 October 1944 was the only autumn record. COE - 22-23
individuals, 9 April to 3 May. Ch - migrant in Hebei; status: fairly common,
declining in recent years.
1986: 23 bird-days were logged from 9 September to 19 October. It
appears that 13-14 individuals were involved - a little over half as many as in
spring 1985. Records were as follows: a female or immature at LH on
9 September, 13 September and 17 September, one at Re on 28 September,
one at Re on 7 October, three at LH 7 October and 8 October, one at SF on
10 October, two at LH over 12-15 October, one at LH on 18 October and
three at Re on 19 October.
1987 (P): 11 bird-days (three birds?), 18 September to 18 October; two
birds were seen on five days,
1988 (Ho): four bird-days, first half of October.
1989: a pair on the sea off Temple Beach on 1 1 October.
1990: before 23 October, 47 bird-days; highest counts flocks of 18 on
8 October and 16 on 17 October, overflying LH (heading north-east). From
23 October, two records: a pair at Re on 23 October and one at LH on
2 November.
22
M. D. WILLIAMS et al.
Forkiail 7
HARLEQUIN DUCK Histrionicus histrionicus LT, H - no records. COE -
immature male present from 6 April to 5 May. Ch - recorded at three
localities, in Heilongjiang, Liaoning and Shandong; status: very rare.
1989: a female was on the sea off Lighthouse Point on 4 November.
RED-BREASTED MERGANSER Mergus senator LT - no records. H -
three records in November 1943; less common than in spring. COE - 372
bird-days, 1 6 March to 1 3 May. Ch - migrates through Hebei; status: fairly
common along fresh-water courses and on lakes.
1986: 218 bird-days were logged from 30 September to 19 November.
There were 27 bird-days from seven dates to, and including, 25 October.
The main passage began on 27 October and lasted until 2 November: during
this period, 120 bird-days were logged, and the maximum day count - 47
birds - was made on 27 October. There were 56 bird-days over
8-13 November, followed by 15 on 18 November and the last record of one
flying north the following day. Just over half the records were from the sea
east of Lighthouse Point, and most of the remainder were from Se and the
sea off YH. Five birds were seen from LH.
1987 (P): 388 bird-days, 11 October to 29 November; 126 birds were
recorded flying south.
1988 (Ho): 12 bird-days, 14 October to 17 November.
1989: 184 bird-days (39 flew south), 10 October to 11 November; highest
day total 36 on 4 November.
1990: before 23 October, eight bird-days. From 23 October, 134 bird-days
(32 flew south), 29 October to 16 November; highest day totals 48 (22 at SF,
26 flying south offshore) on 31 October, 20 (at SF) on 3 November and 25
(at YH) on 1 5 November.
BLACK KITE Milvus migrans LT - ‘An important migration... especially in
the autumn... The autumn passage goes on throughout September and until
the middle of October. Numbers of these birds are taken at this season by the
hawk-catchers... A few summer here in suitable spots.’ WH - occurs in every
month of the year, least common in June, July and August. ‘At other times
they act as scavengers in the cities and gather in great “rookeries” in the
palace grounds for winter nights, going to the country through the day to
hunt.’ Sh - ‘This is a permanent resident. Mollendorfs (1877) statement
that it was the commonest bird of prey seems to be not quite true nowadays.
It is also a migrant which passes the plain from the end of February to April
and from September to October.’ H - common migrant, largest numbers last
part of September and first part of October, e.g. ‘in numbers passing over
LH from E to W 15. IX, 10.X 1944’. Some dates throughout the summer
months. Latest date 19 November. COE - 67 birds, 18 March to 17 May.
Ch - resident in Hebei; status: common.
1986: 74 birds were recorded from 20 August to 20 October, mosdy from
LH. Six were seen in August, and four more to 6 September. The main
passage was during 8-13 September, when 33 birds were seen and there was
1992
Autumn bird migration at Beidaihe
23
the highest day total - 15 birds on 12 September; 19 were seen during the
rest of the month and a further 12 in October.
1987 (P): 68 bird days, 24 August to 5 November; highest day total 18 on
26 September. All but two were recorded flying south.
1988 (Ho): 28 bird-days, 13 September to 15 October.
1989: 14 flew south, 13-16 October.
1990: before 23 October, 43 bird-days, highest day totals nine on
17 September and 18 on 6 October. From 23 October, two were recorded
from LH, flying south, on 24 October.
As in spring 1985, the records hardly suggest an ‘important migration’ of
the species, as found by La Touche; nor did we see the species passing over
LH ‘in numbers’ as had Hemmingsen, or any birds which appeared to be
summer residents. It appears that there has been a considerable decline in the
species over the past forty years, a decline which has been far sharper than
that noted by Shaw, from late last century (when Mollendorf found this the
commonest bird of prey in Hebei) to around 1936.
* WHITE-TAILED EAGLE Haliaeetus albicilla LT - common spring and
autumn migrant; may winter in the area (specimens 6th or 7 March and from
near Great Wall towards the middle of December). ‘The local hawk-catchers
use this Eagle as a decoy, pegging the bird down at their nets. The owner of
two of these birds told me that he fed them in summer on fish and in winter
on puppy dogs!’ Sh - passing migrant, rare. H - three sea-eagles with white
tails seen and assumed to be this species: 4, 6 and 23 November 1943. COE
- an immature flew north on 31 March. Ch - migrates through Hebei; status:
uncommon.
1986: 15 were recorded from LH, flying south, from 26 October to
18 November. Five were seen from 26-29 October; five were seen during the
first ten days of November, and a further five were seen from
11-19 November, including three - the highest day total - on 14 November.
Of 14 birds aged, two were considered to be juveniles, one was immature,
two were first- or second-year birds, one was second-year, two were second-
or third-year, one was sub-adult and five were adults.
1987 (P): five flew south, 30 October to 21 November.
1988 (Ho): nine flew south, 2-17 November.
1989: four flew south: one on 26 October and three on 13 November.
1990: four were recorded from LH, flying south: three on 9 November and
one on 10 November. All were juvenile or immature.
SHORT-TOED EAGLE Circaetus gallicus LT, H, COE - no records. Sh,
Ch - twice recorded by David in Beijing municipality; otherwise only
recorded in China in Xinjiang Uygur Aut. Region, Gansu province and
Shaanxi province (Cheng). Goodwin (1987) recorded this species at Zhaohe,
Nei Mongol Autonomous Region, 29 May to 2 June 1987.
1987 (P): one flew south on 21 October.
1989: one flew south on 15 October.
24
M. D. WILLIAMS et al.
Forktail 7
It appears that this species is a scarce migrant at Beidaihe; William S. Clark
(in litt. to M. D. W, 30 November 1991) reported one passing Beidaihe on
6 October 1991.
PIED HARRIER Circus melanoleucos LT - by far the most abundant of the
harriers, passing from the end of August to mid-October. H - recorded on 2 1
dates in four autumns, 1 1 August to 1 2 October. Mainly only certainly
identified adult males; noted that peak occurrences of these, 25 August to
18 September, coincided with peak occurrences of unidentified harriers.
Regarding unidentified harriers, notes that ‘I have never seen so many as on
4. IX 1944 when they almost swarmed, with tendency to WSW movement’.
COE - 504 birds, 1 April to 25 May. Ch - migrates through Hebei; status:
fairly common.
1986: 14,534 birds were recorded flying south from 20 August to
7 October. Occurrences in seven-day periods were as follows: 589 from
20-26 August, 2,151 from 27 August to 2 September, 2,662 from
3-9 September, 7,521 from 10-16 September, 1,360 from 17-23 September,
295 from 24-30 September and eight from 1-7 October. Over half the total -
7,371 birds - passed during 10-14 September. The highest day totals were
868 on 7 September, 2,874 on 10 September, 2,978 on 12 September and
703 on 13 September.
1987 (P): 2,240 bird-days, 21 August to 22 October; all but 11 were
recorded flying south; highest day totals 338 on 1st and 260 on 7 September;
only records after 8 October were one with a damaged wing on 20 and 2 1
October and two flying south on 22 October.
1988 (Ho): 4,738 bird-days, 8 September to 13 October; highest day total
2,033 on 12 September.
1989: two immature harriers at YH on 9 October may have been this
species.
1990: 1,917 bird-days, highest day totals 556 on 4 September, 238 on
13 September and 193 on 14 September; all before 23 October.
Rather unusually for a raptor, passed in numbers during early morning.
COMMON BUZZARD Buteo buteo LT - passes abundantly in September
and October, probably also in November. H - noted on six dates,
5-26 October; also several on 5 December 1945, believed to be migrating
down the coast on account of the very severe winter. COE - approximately
85 birds, 16 March to 10 May. Ch - migrates through Hebei; status:
common generally.
1986: 1,119 bird-days were logged from 16 September to 19 November;
around 1,075 individuals were probably involved. The great majority were
seen from LH, flying south. Fourteen birds were seen during September, and
passage picked up at the beginning of October. The main passage was from
8 October to 1 November, when 966 bird-days were logged, with peak
counts of 321 on 10 September, 190 on 1 1 September and 98 on
26 October. During November, 127 bird-days were logged, though no
1992
Autumn bird migration at Beidaihe
25
records after 15 November refer to birds flying south: up to four ‘local birds’
were seen at LH during this month, with two present on the 19 November,
the last day of the survey.
Four birds, which were either this species or Oriental Honey-Buzzards
Pemis ptilorhyncus were seen: two on each of 24 and 27 September.
1987 (P): 3,162 bird-days, 15 September to 27 November; all but 86 were
recorded flying south, 2,462 bird-days were logged from 12-21 October;
highest day totals 585 on 12 October, 992 on 14 October, 211 on
17 October and 224 on 20 October.
1988 (Ho): 1,861 bird-days, 20 September to 18 November; at least 1,100
flew south on 1 1 October.
1989: 1,534 bird-days (1,496 flew south), 8 October to 14 November;
highest day totals 427 and 740 flying south on 15 and 16 October,
respectively.
1990: before 23 October, 2,210 bird-days, highest day totals 1,048 on
6 October, 470 on 8 October and 459 on 9 October. From 23 October, 253
bird-days (233 were recorded flying south), 24 October to 15 November;
highest counts of birds flying south 44 on 24 October and 76 on 25 October,
35 on 6 November and 20 on 9 November; after latter date, only one
recorded flying south and up to two birds present.
The records suggest this species is common in autumn, not abundant as
reported by La Touche.
*IMPERIAL EAGLE Aquila heliaca LT, H, COE - no records. Sh - passing
migrant. Ch - migrant in Hebei; status: uncommon.
1986: ten birds were recorded from LH, flying south: two immatures on
15 September, an adult on 26 September, an immature (second-year?) on
10 October, and six juveniles (or immatures) on 28 October.
1987 (P): three flew south, 20 October to 4 November.
1988 (FI): five flew south, 1 1 October to 12 November.
1989: singles flew south on 16, 25 and 28 October.
1990: before 23 October, one was seen on 18 and 19 October (same bird).
From 23 October, single immatures flew south on 6th and 9 November.
* LESSER KESTREL Falco naumanni LT - no records. Sh - summer visitor.
H - a pair, 7 April 1943. COE - no records. Ch - breeds in northern and
central parts of Hebei; status: uncommon.
1986: 108 bird-days were logged from 20 August to 19 November, mainly
from LH. Five were recorded to 16 September, when the main passage
period began, with 61 birds seen during the second half of the month and the
highest day count - 23 birds - on 22 September. Ten were seen in the first
half of October and 15 in the second half, and there were a further 15 in
November (late for this species; at least some of the records may have been
misidentified Common Kestrels F. tinnunculus, though observers believed
themselves familiar with the two kestrel species, and logged 294 bird-days for
the Common Kestrel).
26
M. D. WILLIAMS ti al.
Forktail 7
1987 (P): 14 were recorded flying south, 7 September to 3 October;
highest day total seven on 25 September.
1988 (Ho): 20 bird-days, 21 September to 1 1 October.
1989: singles flew south on 28 October and 9 November.
1990: five were recorded before 23 October.
Unidentified kestrels Falco naumanni/F. tinnunculus
1986: 55 unidentified kestrels were recorded from 8 September to
3 November. Around half were seen during the latter half of September,
coinciding with the peak passage periods of the two kestrel species.
1987 (P): 57 bird-days, 8 September to 4 November.
1988 (Ho): at least two.
1990: four were recorded before 23 October.
AMUR FALCON Falco amurensis LT - very common summer visitor, seen
until the end of October. On 16 September 1915, saw ‘numbers travelling
along the seashore, hovering and feeding on the dunes as they passed by’. H
- a few seen throughout the summer; in the beginning of September of the
years 1942-1944, larger parties, evidently on migration, were seen, and ‘at
the end of September flocks of 10, 20, 30, in which only a few adult males
were seen, moved slowly in migration direction over GS [Grassy Sands] or
SF, often stopping to hover and hunt’. COE - 34 birds, 22 April to 20 May.
Ch - summer visitor to Hebei; status: fairly common.
1986: 465 bird-days were logged from 21 August to 26 October, involving
about 450 individuals. To the end of the first week of September 33 bird-
days were logged. Significant passage then began, and lasted until
2 1 October. The main sustained passage period lasted for three weeks, from
16 September to 6 October, with 72-79 bird-days logged each week, and the
highest day count - 41 birds - on 23 September. The week from
14-20 October saw heavier passage, with 83 bird-days logged and a high
count of 40 birds on 1 8 October.
1987 (P): 892 bird-days, 28 August to 29 October; highest day totals 243
on 3 October, 50 on 16 October and 106 on 17 October. All but 13 were
recorded flying south.
1988 (Ho): 343 bird-days, 9 September to 24 October; highest day total
116 on 11 October (99 passed before 07h00, presumably reflecting
continuation of passage from the previous day, when at least 79 had been
seen).
1989: 152 bird-days (128 flew south), 7-29 October; 40 flew south on
1 2 October.
1990: 95 bird-days, highest day totals 17 on 6 October and 33 on
1 5 October; all before 23 October.
Recent records suggest the species is no longer as common as reported by
Hemmingsen.
JAPANESE QUAIL Cotumix japonica LT - very abundant during October
1992
Autumn bird migration at Beidaihe
27
and the early part of November; also passes August and September. H - seen
throughout the autumn, mainly in October. COE - 8 1 bird-days, 28 March
to 27 May. Ch — migrates through Hebei; status: fairly common.
1986: 48 bird-days were logged from 2 September to 31 October. Only
three were seen to 17 September, after which passage began to pick up and
12 bird-days were logged to the end of the month. Minor peak in passage
occurred during 3-11 October, when 2 1 bird-days were logged; a further 1 0
bird-days were logged during the second half of October. Records were
distributed through the area, with YH and LH being slightly the favoured
localities.
1987 (P): 84 bird-days, 8 September to 9 November; highest day total ten
on 23 October.
1988 (Ho): nine bird-days, 1 1 September to 23 October.
1989: 106 bird-days, 7 October to 5 November; 61 bird-days from
8- 1 4 October.
1990: before 23 October, 17 bird-days, highest day total four on
2 October. From 23 October, four were at Re on 29 October.
This species is now uncommon in autumn, not very abundant as reported
by La Touche.
COMMON CRANE Grus grus LT - immense flocks of cranes, believed to
be mainly this species, pass over during October. H - more common in
autumn than in spring; main autumn passage mid-October to early
November; totals of 3,059 (1943), 4,448 (1943), 4,228 (1944) and 8,404
(1945). Extreme dates 17 September to 24 November. COE - 4,409 birds,
15 March to 7 May. Ch - migrates through Hebei; status: fairly common.
1986: 4,428 birds were recorded from 7 October to 18 November. All but
79 were seen from LH; 4,385 flew south, 43 flew north. Additionally, five
flocks were heard passing over Se after sunset: one on 29 October and four
on 5 November. The main passage was from 25 October to 10 November;
3,690 birds were recorded during this period. The highest day count was
1,263 on 5 November; other notable totals were 412 on 29 October, 680 on
1 November and 485 on 6 November. Of 871 birds aged, 733 (84.2%) were
adults, three (0.3%) were sub-adults and 135 (15.5%) were juveniles.
1987 (P): 4,678 were recorded flying south, 8 October to 21 November;
4,139 were recorded between 1 and 15 November; highest day totals 675
on 10 November, 1,466 on 1 1 November and 830 on 12 November.
1988 (Ho): 4,040 were recorded, 14 October to 18 November.
1988 (Earthwatch): 3,766 were recorded from 15 October to
16 November; 3,693 flew south, 73 flew north. The main passage was from
11-16 November, when 3,331 were recorded and there was the highest day
total - 2,578 birds on 14 November. Of 278 birds aged, 51 (18.3%) were
juveniles.
1989: 3,693 bird-days (3,559 flew south, 80 flew north), 15 October to
14 November; highest day totals were 1,125 on 4 November, 447 on
5 November, 458 on 9 November and 447 on 10 November; flocks heard
28
M. D. WILLIAMS et al.
Forktail 7
passing after dusk on two days (at around 18h30 on 31 October and at
19h30 on 9 November). Of 324 birds aged, 267 were adults and 57 (17.6%)
were juveniles.
1990: before 23 October, 11 were recorded. After 23 October, 4,177 were
recorded flying south, and 122 north, 25 October to 16 November; highest
totals of birds flying south were 1 94 on 2 November, 167 on 7 November,
468 on 9 November, 2,695 on 10 November, 387 on 1 1 November and 146
on 14 November. Birds were still passing in numbers at dusk on
10 November, and judging by flocks heard a considerable number passed
after dark (these may well have included rarer cranes, which were also seen in
numbers on this date). Of 61 birds aged, 52 were adults and nine (14.8%)
were juveniles.
As discussed above, the autumn migration path tended to be over or near
the eastern part of Beidaihe, which may at least partly account for
Hemmingsen recording substantially more birds in autumn than in spring,
when (at least in 1985) the birds tend to pass to the west of the town.
See also ‘unidentified cranes’.
*HOODED CRANE Grus monacha LT - no records. Sh - seems to be very
rare, passes in October. WH - see under ‘White-naped Crane’. H - 155-185
birds over three autumns from 12 October to 7 November, plus about 115
more ‘possible’ or ‘probable’ Hooded Cranes. COE - 309 birds, 25 March to
20 April; 257 passed on 2 April. Ch - migrates through Hebei; status:
uncommon.
1986: 527 birds flew south from 11 October to 7 November. The first
record, of a single bird, was not followed until 29 October. The main passage
occurred over 5-7 November: 446 were recorded during this period, with
436 on 5 November. This marked concentration of passage into just one day
was also a notable feature of the species’ occurrence in spring 1985. Of 309
birds aged, 257 (83.2%) were adults and 52 (16.8%) were juveniles.
1987 (P): 45 were recorded flying south, 21 October to 16 November;
highest day totals 1 5 on 5 November and 1 1 on 9 November.
1988 (Ho): 92 were recorded, 29 October to 14 November.
1988 (Earthwatch): 94 were recorded flying south from 29 October to
14 November. The highest day total was 68 birds on 14 November,
coinciding with the peak numbers of Common and Red-crowned Cranes.
None was aged.
1989: 115 flew south, 26 October to 10 November; 86 flew south from
2-7 November; highest day total 51 on 5 November. Of 30 birds aged, 24
were adults and six (20%) were juveniles.
1990: 452 were recorded flying south: 59 on 2 November, 328 on
10 November, 56 on 1 1 November and nine on 15 November. Of nine birds
aged, seven were adults and two were juveniles.
COMMON x HOODED CRANE hybrid
1987 (P): one flew south on 12 November.
1989: one flew south on 23 October.
1992
Autumn bird migration at Beidaihe
29
* RED-CROWNED CRANE Grus japonensis LT — only heard of two
captured in seven years; records of flocks seen probably refer at least partly to
the Siberian Crane as some were described as having black primaries. H -
considerably more common than in spring, from 22 October to
23 November; totals of six (1942), 151 (1943), 92 (1944) and 98 (1945).
COE - 244 birds, 15-31 March. Ch - migrates through Hebei; status:
formerly rare, steadily increasing in recent years.
1986: 501 birds were recorded from 13 October to 19 November, mostly
from LH, flying south. The main passage was from 5 November to the end
of the survey; 423 birds were recorded during this period. The maximum day
count was 180 on 7 November and the next highest 61 on 14 November. Of
206 birds aged, 158 (76.7%) were adults, 45 (21.8%) were juveniles; two
were considered to be second-winter and one sub-adult.
1987 (P): 320 were recorded flying south from 12 October to
21 November; 174 were recorded between 6 and 15 November; highest day
totals 53 on 10 November, 55 on 12 November and 44 on 13 November.
1988 (Ho): 281 were recorded from 25 October to 18 November.
Earthwatch 1988 (Ho): 256 were recorded flying south from 25 October to
16 November. The highest day totals were 69 on 29 October and 107 on
14 November, the latter coinciding with the peak numbers of Common and
Hooded Cranes. Of 149 birds aged, 133 were adults, six (4%) were juveniles
or immatures and 10 (6.7%) were juveniles.
1989: 630 flew south, 19 October to 14 November; highest day totals 119
on 4 November, 121 on 6 November, 90 on 7 November and 110 on
10 November. Of 273 birds aged, 212 were adults and 61 (22.3%) were
juveniles.
1990: before 23 October, 11 were recorded on 9 October. From
23 October, 542 were recorded flying south, 25 October to 14 November;
highest day totals were 74 on 7 November, 135 on 10 November, 102 on
11 November and 100 on 14 November. Of 99 birds aged, 74 were adults
and 15 (15.1%) were juveniles.
*WHf 1 E-NAPED CRANE Grus vipio LT - no records. Wilder (1924a)
records a flock passing 6-9 October 1923 (exact date not specified); identified
as this species by the snow white necks (‘easily visible in the sunlight, but
probably in shadow would not be noticed, and the birds would be easily
confused with the common grey crane. ’), and so could have been Hooded
Cranes (though these are less similar to Common Cranes) (Wilder 1924b).
Confusingly, Wilder and Hubbard (1924) report ‘Oct. 8th and 9th, at
Peitaiho (Beidaihe) flocks of from 20 to several hundreds were flying south.’
H - 46 birds very probably this species seen over three dates in four autumns,
25 October to 2 November, standing on Grassy Sands. COE - no records.
Ch - migrates through Hebei; status: uncommon.
1986: 152 flew south from 17 September to 6 November. The main
passage was from 25-29 October, when 29 birds passed. The early records
were widely spaced: 17 September (two), 28 September (five) and
30
M. D. WILLIAMS et al.
Forktail 7
16-18 October (19). Of 25 birds aged, 21 (84%) were adults and 4 (16%)
were juveniles.
1987 (P): recorded on three days - three birds on 19 October, 53 on
20 October and seven on 22 October; all flew south.
1988 (Ho): 46 were recorded from 14 October to 9 November.
1988 (Earthwatch): 48 were recorded from 14 October to 1 1 November;
46 flew south, two flew north. The highest day total was 29 birds on
14 October. Four were aged, and were all adults.
1989: 17 bird-days (13 flew south, four flew north), 28 October to
10 November. Only two birds - both adults - were aged.
1990: before 23 October, three were recorded on 9th and 17 October.
From 23 October, 63 were recorded flying south, 26 October to
11 November; highest day totals 32 (one flock) on 3 November and 19 on
1 1 November. None was aged.
^SIBERIAN CRANE Grus leucogeranus LT - Specimen from Hsieh Chia
Ying marshes, some 15 miles south of Beidaihe. At least some of his records
under Red-crowned Crane refer to this species, judging by description of
plumage (white with black wings, or black wing tips) and call (shrill ‘coo-
kee’)- Notable dates were 12 October and 2 November 1913 and 30 March
1915. La Touche evidently realised his error, as he later (1925) noted that
the species passes in great numbers in October and November. Wilder
(1924a) recorded flocks of 100 with one grey crane (presumably Common)
and 40, including six presumed Common Cranes, passing south during
6-9 October 1923. Also notes that ‘the hunters at Ch’ang Li, a little further
from the sea, report having shot these white cranes and found them good
eating.’ H - autumn totals of 15 (1942), 227 (1943), 80 (1944) and 34
(1945), 12 October to 1 1 November. COE - 652 birds, 20 March to 1 April.
Ch - migrates through Hebei; status: uncommon.
1986: 192 birds were recorded flying south from 11 October to
10 November. Passage was somewhat irregular but was concentrated to a
certain extent during 29 October to 10 November, when 99 birds were seen.
Of 155 birds aged, 121 (78%) were adults and 34 (22%) were juveniles.
1987 (P): 143 were recorded flying south, 21 October to 12 November;
highest day totals 26 on 5 November, 43 on 7 November and 19 on
12 November.
1988 (Ho and Earthwatch): 344 birds were recorded flying south from
29 October to 12 November. The highest day totals were 208 on 29 October
and 97 on 3 November. Of 312 birds aged, 26 (8.3%) were juveniles.
1989: 181 flew south, 7 October to 12 November; first record - of a party
of eight birds - was not followed until 20 October; highest day totals were 77
on 4 November and 33 on 6 November. Of 167 birds aged, 137 were adults
and 30 (18%) were juveniles.
1990: 577 were recorded flying south, 26 October to 10 November;
highest day totals 30 on 26 October, 389 on 2 November and 141 on
10 November. Of 321 birds aged, 271 were adults and 50 (18.5%) were
juveniles.
1992
Autumn bird migration at Beidaihe
31
DEMOISELLE CRANE Anthropoides virgo LT, H, COE - no records. Sh -
no definite records, but assumed to pass. Ch - migrant in Hebei; status: fairly
common in its breeding range.
1986: 14 birds flew south: one on 7 November, 12 on 14 November and
one on 1 5 November. Three birds were aged: two were adults and one was a
juvenile.
1989: a grey crane in a flock of Common Cranes on 8 November appeared
around half the size of the other birds in the flock, and may have been this
species.
Unidentified cranes Grus spp.
1986: 1,557 unidentified cranes were recorded from 1-18 November. Of
these, seven were considered to be Common or Demoiselle, 260 were
Common or White-naped and 478 were Common or Hooded (the last were
seen on 5 November, when both species were passing in numbers).
1987 (P): 364 unidentified cranes were recorded; 15 were considered to be
Common or White-naped Cranes.
1988 (Ho): 338 unidentified cranes were recorded.
1988 (Earthwatch): of 376 unidentified cranes recorded, 32 were
considered to be Common or White-naped, and 267 were considered to be
Common or Hooded.
1989: three Common or White-naped Cranes flew north on 1 November,
and three unidentified grey cranes flew south on 5 November.
1990: 521 were recorded flying south, and four north, 24 October to
11 November; highest day total of birds flying south 391 on 10 November
(mostly over sea, at dusk). It is likely that most were Common Cranes, and
the remainder mainly Hooded or White-naped.
BAILLON’S CRAKE Porzana pusilla LT - passes from the beginning of
August to the last week in October; extremely abundant during autumn.
Stresemann (1924) - on 5 August, near Beidaihe (in translation) ‘about two
dozen were in the single still damp, room-size reedbed.’ H - autumn
numbers similar to those in spring; 1 1 August to 1 6 October. COE - 98 bird-
days, 14 May to 1 June. Ch - breeds in Hebei; status: fairly common in most
places.
1986: 16 bird-days were logged from 2 September to 9 October; it may be
that 16 birds were involved. There were records on eight dates, and it
appeared that the main passage was from mid-September to the first week of
October. The first was one at Re; five more were seen at Re, and one at YH,
from 14-30 September, and a further eight were at YH and one at Re over 3,
4 and 9 October, with the highest day total - six birds at YH - on 4 October.
1987 (P): 13 bird-days; two on 20 August, the remainder from
24 September to 6 October.
1988 (Ho): ten bird-days, other than late bird 5 November, 19 September
to 15 October.
1989: singles at Re on 13 and 14 October and Daihe estuary on
17 October.
32
M. D. WILLIAMS a al.
Forktail 7
1990: 13 bird-days, highest day total four on 3 October; all at Re and
before 23 October.
The autumn surveys thus found the species less common than in spring
1985, in marked contrast to La Touche’s assertion that it is extremely
abundant in autumn, and disagreeing with Hemmingsen’s near parity of
spring and autumn records.
*SWTNHOE’S RAIL (Siberian Crake) Cotumicops exquisitus LT, H - no
records. COE - singles on 20 and 27 May. Ch - doubtful migrant in Hebei;
status: uncommon.
1987 (P): singles on 28 and 29 September and two on 30 September; one
or two on 2 October and singles on 6, 8, 9 and 14 October.
1990: singles were at Re on 2 and 7 October.
COMMON COOT Fulica atra LT - extremely abundant during most years
in September and October. WH - ‘Very common summer visitor, nesting in
the marshes on the plain’. H - no records but reported by hunters. COE - 24
bird-days, 9 May to 1 June. Ch - breeds in Hebei; status: fairly common.
1986: 59 bird-days were logged from 27 August to 8 October. All except
three birds were seen at Re. The first record was of a pair with four young
and about one-third of all records apparently involved family parties of from
three to six birds, with the last such group seen on 29 September. From
26 September to the end of the passage 32 bird-days were logged, making
this the period of main occurrence.
1987 (P): 63 bird-days, 10 October to 21 November (only two birds seen
in November); a flock of ca. 50 was on the sea on 29 October.
1989: one at Re on 13 October.
1990: seven bird-days, highest day total two on 15 and 30 September; all
before 23 October.
It appears the Common Coot is now rather scarce, not ‘extremely
abundant’ in autumn as reported by La Touche, or ‘very common’ in
summer as reported by Wilder and Hubbard. It may be that numbers had
fallen by the 1940s, as Hemmingsen did not see this species at Beidaihe.
GREAT BUSTARD Otis tarda LT - passes from October until about
10 November. ‘These Bustards fly in flocks which occasionally contain from
40 to 50 birds but, as a rule, 10 to 20 individuals is the usual number... The
natives shoot the Eastern Great Bustard on passage, by means of decoys,
both in spring and autumn after the crops have been cut. [Notes that he has
been told the birds are also taken with nets]... The Chinwangtao
[= Qinhuangdao] market is stocked with Bustards in spring and autumn, and
in winter many birds are brought from inland... Young birds are not bad
eating, but old males are very rank in flavour.’ H - over four autumns,
recorded on 17 dates in October and 31 in November. The largest flocks
seen flying numbered up to ca. 60 birds; the largest numbers were ‘more or
less scattered on the ground’ at Grassy Sands, e.g. 83 on 6 November 1942,
1992
Autumn bird migration at Beidaihe
33
400-500 on 5 November and 377 on 6 November 1943. On 16 November
1 944 ‘numerous flocks migrated across GS mosdy without settling, and those
I counted on this occasion, amounted to a total of 324 birds.’ Mentions
hunting techniques as described by La Touche, also ‘On the vast plains (e.g.
near Tangku) they are shot from motor-cars... but this sort of “sport” is not
practicable at PTH [Beidaihe].’ COE - 132 birds, 17 March to 23 April. Ch
- migrates through Hebei; status: fairly common, decreasing in recent years.
1986: 452 birds were recorded flying south, from 19 October to 18
November; most birds were seen from LH. Twenty birds were seen during
19-22 October and 84 during 25-29 October. These, together with a further
two on 31 October, brought the October total to 106. The first eleven days of
November brought 185 birds and 161 were recorded from 14-18 November,
making this the period of most concentrated passage. The highest day totals
were 71 on 10 November and 63 on 17 November, and the largest flock
numbered 26 birds. It seems likely that more birds passed after our
departure.
1987 (P): 203 were recorded flying south, 19 October to 24 November;
the highest day totals were 26 on 21 October and 67 on 16 November.
1988 (Ho): 62 were recorded, 8 October to 18 November.
1988 (Earthwatch): 67 were recorded flying south from 27 October to
16 November. The highest day totals were 25 on 9 November and 15 on
16 November.
1989: 308 flew south, 15 October to 14 November; highest day totals 66
on 4 November and 41 on 9 November.
1990: 154 were recorded flying south, and five north, 24 October to
14 November; highest day totals 61 on 5 November and 37 (32 south, five
north) on 10 November.
LITTLE CURLEW Numemus minutus LT - extremely abundant on passage
during September. H - recorded on 16-18 dates, 13 August (or possibly as
early as 24 July) to 12 October; all but three of these dates in 1944. Largest
flock 51 on 21 August 1944. Favoured pools at the Grassy Sands. COE -
337 bird-days, 18 April to 19 May; 276 flew north and 30 were at YH on
6 May. Ch - rare migrant on east coast.
1986: ten were at SF on 27 August, and singles were seen on 14 and
18 September.
1987: singles were recorded on 20 and 28 September.
1988 (Ho): one on 23 September.
1989: no records.
1990: three were recorded on 1 September and one flew south on
21 September.
This species has been rare to scarce in recent autumns, not extremely
abundant as La Touche reported, nor as regular as Hemmingsen found
(though the Grassy Sands, where he mainly saw Little Curlews, is now not
suitable for the species as it has been covered by a plantation).
34
M. D. WILLIAMS el al.
Forktail 7
EASTERN CURLEW Numenius madagascariensis LT - ‘It is very probable
that the birds heard at night in summer are of this species. I have seen them
in September.’ Wilder (1925) - during visit to Beidaihe 12-30 June 1925, all
curlews seen were this species; mentions hearing curlews flying south on the
‘dark and rainy’ night of 20 June. H - perhaps heard 29 June; recorded on
15-17 dates from 1 1 July to 8 September. COE - 661 bird-days, 26 March to
16 May. Ch - migrates through Hebei; status: uncommon.
1986: 558 bird-days, beginning of the survey to 8 November; high day
totals early in the period were 1 5 on 22 August, 1 5 (ten present, five flying
south) on 28 August and 17 on 31 August, after which day totals did not
exceed single figures until 25 September, when 28 were recorded. High day
totals after this date were 24 on 28 September, 30 on 3 October, 17 on
4 October, 28 on 25 October and 17 on 31 October. These mainly resulted
from high counts at YH, the favoured locality - 17 on 28 September, 24 on
3 October, 14 on 4 October, 22 on 25 October and 16 on 31 October; the
highest count at SF was 17 on 31 August. The only records in November
were singles at SF on 1 November and 2 November, and three on
8 November.
1987: 325 bird-days, beginning of the survey to 24 October. To the end of
August, 42 were recorded flying south (maximum 21 on 30 August). Only
nine bird-days for birds present to 27 August, after which more regularly
present and only eight were recorded flying south (five on 10 September,
three on 14 September); 178 bird-days were logged for birds present from
28 August to 25 September (highest day totals 14 on 1 September and
8 September), after which there were no more than four in a day until
13 October with 17 birds; there were 22 on 14 October, 16 on 15 October
and six on 16 October, after which there were four records of singles.
1988 (Ho): 110 bird-days, beginning of the survey until October/
November (last date uncertain; 2 October given in report is almost certainly
wrong); YH, the favoured locality, covered only erratically - high counts here
were 28 on 8 October and 25 on 17 October.
1989: five were at YH on 9 October.
1990: before 23 October, 115 bird-days, highest day totals 14 on
24 August, 1 2 on 3 1 August and 1 1 on 2 October. The only record thereafter
was one at SF on 23 October.
*NORD MANN’S GREENSHANK Tringa guttifer LT, H, COE - no
records. Ch - no records from Hebei; status: very rare.
1986: a juvenile was at SF over 4-6 September (Kennerley and Bakewell
1987).
1990: three birds were recorded at SF: two on 13 and 14 September, one
on 28 September.
GREY-TAILED TATTLER Heteroscelus brevipes LT - two grey sandpipers
which appeared to be this species seen on 13 September 1915. H - recorded
on 25 autumn dates, 19 July to 30 September; ‘Only in small numbers, 10 or
1992
Autumn bird migration at Beidaihe
35
usually less, often 2 differing a little in size, prob. male and female’. COE -
39 bird-days, 10-26 May. Ch - migrates through Hebei; status: fairly
common.
1986: 1,381 bird-days, beginning of the survey to 10 September; 1,270
bird-days were logged to 10 September, after which there were no more than
ten in a day. Mainly recorded at SF, where there were 100 or more on five
dates to 31 August (including 189 on 22 August, the highest day total), and
the highest count thereafter was 89 on 6 September. There were no more
than five in a day from 17 September; the only records in October were four
on 1st and singles at SF on 2, 3, 6, 7 and 8 October.
1987: 1,066 bird-days, beginning of the survey to 8 October; 985 bird-days
to 14 September, after which there were no more than ten in a day. The
highest day totals were 51 on 19 August, 50 on 25 August, 58 on 27 August
and 54 on 30 August, 60 on 2 September, 57 on 3 and 6 September, and 59
on 9 September. There were 32 1 bird-days (no more than four in a day) in
October.
1988 (Ho): 117 bird-days, beginning of the survey to 17 October; highest
day total 1 2 on 19 September.
1989: one was at Daihe estuary on 10 October.
1990: 410 bird-days, highest day totals 40 on 21 August and 42 on
24 August.
The recent records show that this is a common migrant, if maybe
somewhat erratic in its occurrence, and numbers in 1986 and 1987,
especially, were well above those recorded by Hemmingsen.
*ASLAN DOWTTCHER Limnodromus semipalmatus LT, H - no records.
Wilder and Hubbard (1938) - specimen, 30 July 1923. COE - two on
18 April and one on 28 April. Ch - migrates through Hebei; status: rare.
1987: single adults were seen over 22-24 August and on 10 September.
1990: one was at SF on 1 September.
SANDERLING Calidris alba LT - no autumn records. H - recorded on 46-
48 dates in autumn, 5 July to 1 6 November; ‘At the beginnning and end of
passages often in smaller numbers... end of Sept. -beg. Oct. I have found it
more numerous in flocks of, say, 30-100. It is then one of the more common
waders on SF’. COE - 28 bird-days, 5 April to 23 May. Ch - migrates
through Hebei; status: rather common along the coast.
1986: 28 bird-days, 22 August to 2 November; 17 bird-days were logged
from 22-27 August (highest day total five on 27 August), after which there
were two on 31 August and 1 September, two on 7 September, three on
24 September, one on 24 October and one on 2 November.
1987: 54 bird-days, beginning of the survey to 6 October. Records in
August were one on 18 August and three on 27, 30 and 31 August; 27 bird-
days were logged over 2-15 September (highest day total six on 5 and
10 September), after which there were singles on seven dates, eight on
29 September and two on 6 October.
36
M. D. WILLIAMS ti al.
Forktail 7
1988 (Ho): six bird-days, 12-23 September.
1989: no records.
1990: 17 bird-days, highest day total five on 24 September; all before
23 October.
This species has been scarce in recent years, not common as Hemmingsen
found; a similar reduction is evident in spring (Williams 1986, Williams and
Domer 1991).
PARASITIC JAEGER (Arctic Skua) Stercorarius parasiticus LT, H, COE -
no records. Not listed in Cheng (1987).
1990: a first-year bird was seen at SF on 3 October; apparently the first
record from the Chinese coast, though there have been reports offshore (e.g.
Hopkin 1990).
GREAT BLACK-HEADED GULL Larus ichthyaetus LT, H, COE - no
records. Ch - breeds Qinghai and Inner Mongolia; migrates through western
half of the country; status: fairly common in breeding areas.
1986: a first-winter bird was at YH on 7 October. This is probably the first
record for the east coast of China (the species has been recorded as a vagrant
in Japan: Brazil 1991).
1987 (P): one, 13 October.
1989: a first-winter bird was seen at Daihe estuary on four dates from
9-17 October.
1990: eight individuals were recorded, 29 August to 1 October; two in
August, three in first half of September and three in first half of October; all
but a third-year on 6 and 7 September were first-year birds.
BROWN-HEADED GULL Larus bmnnicephalus H, LT, COE - no records.
Ch - migrates through Hebei; status: uncommon or rare. Previous records by
Wilder and Hubbard (1924) may be of Relict Gulls (see below).
1990: an adult was at SF on 22 October.
*RELICT GULL Larus relictus H, LT, COE - no records; though
Hemmingsen may have misidentified some as Common Gulls, as features he
noted on some ‘Common Gulls’ are characters of Relict (‘ narrow black tail
band... dark legs’). Ch - cites letter from Ben King telling of three specimens
in Leningrad, all from ‘Tangzing’ (Daku, Tanggu), southern Hebei coast;
singles collected 28 October 1934 and 8 and 9 April 1935. They had been
originally identified as Brown-headed Gulls Larus bmnnicephalus. Similarly,
two ‘Brown-headed Gull’ specimens in Academia Sinica, Beijing, have been
found to be this species; they were also collected at Daku (Duff et al. 1991).
These specimens, the westerly distribution of most certainly identified
Brown-headed Gulls in China, and drawings of ‘Brown-headed Gull’
specimens in Shaw (1935) - which appear to show Relict Gulls - strongly
suggest that many, perhaps all, literature references to Brown-headed Gulls
in Hebei actually refer to Relict Gulls. Shaw states that the ‘Brown-headed
1992
Autumn bird migration at Beidaihe
37
Gull’ (= Relict?) is a regular passage migrant, and a summer visitor. ‘It comes
from the south in April, and remains to stay here until October.’ WH - a
‘Brown-headed Gull’ specimen taken, some 15 having been seen, 18 January
1923 (Hubbard 1923). On 21 April 1923, one was seen, but with some
doubts as to its identity.
1986: 112 bird-days were logged from 23 August to 20 November. All
were seen at SF and - apart from the first record, an adult moulting out of
summer plumage - all were first-winter birds. The first of these immatures
was seen on 8 September, and numbers peaked at seven birds on
25 September. The birds tended to linger in the area (a bird with its breast
stained, perhaps by oil, was seen from 19 October to at least 2 November)
and it could be that as few as 17 individuals were involved. Thirty-two bird-
days were logged over 12 dates in September. The first week of October
produced only one record, a single bird on 2 October, but records were again
frequent from 8 October, with 41 bird-days recorded over 16 dates to the
31 October (maximum five on 19 October). Four were seen on 1 and
2 November, one on 4 November, three on 9, 11, 13 and 18 November, two
on 19 November, and three on 20 November (Bakewell et al. 1989).
1987 (P): 92 bird-days, throughout the survey; 44 bird-days 27 September
to 21 October, not seen first half of November but eight bird-days (two
individuals?) 17-29 November. Highest day totals five on 1 October and
seven on 18 October (Bakewell et al. 1989).
1988 (Ho): 10 bird-days (four individuals), 19 September to 1 1 October.
1989: a first-winter bird was at SF on 20 October.
1990: before 23 October, 13 individuals, all but an adult on 14 September
were first-years; seen from 24 August, with highest count three on
21 September and 16 October, otherwise singles. From 23 October, three
first-year birds were seen: one at SF on 23 October, one recorded from
Lighthouse Point, flying south offshore, on 30 October and one at YH on 15
and 1 6 November.
For more information on Relict Gulls at Beidaihe in autumn see Bakewell
et al. (1989); Duff et al. (1991) present the most recent account of
distribution of the species.
*SAUNDERS’S GULL Larus saundersi LT, H - no records. Sh - not
common; passes April and September. COE - 10-19 birds, 2 April to
22 May.
1986: perhaps surprisingly, in view of the species’ occurrence in spring
1985, there was only one record: a first-winter bird at SF on 31 October.
1987 (P): singles on 15, 16 and 18 October, five on 21 October and two
on 31 October and one on 1 November.
1988 (Ho): one, 15 October.
1989: an adult in winter plumage was at SF on 20 October, and two
second-winter birds were on the shore at Grassy Sands on 23 October.
1990: four records at SF: single first-years on 30 September and
16 October, two first-winter birds on 25 October and an adult on
8 November.
38
M. D. WILLIAMS ei al.
Forkiail 7
BLACK-LEGGED KITTIWAKE Rissa tridactyla LT, H, COE - no
records. Ch - recorded in winter in Liaoning (Lushun), Hebei and Jiangsu
(Shaweishan Island) provinces; status: very rare.
1989: an immature flew past Lighthouse Point on 8 November.
1990: a first-winter bird was seen at SF on 31 October, when a large influx
of gulls was noted at this locality.
BLACK TERN Chlidonias niger LT, H, COE - no records. Ch - breeds in
Xinjiang Aut. Reg., stragglers recorded at Tianjin in June, Beijing in August,
and Hong Kong (though there are no certain Hong Kong records - the first
is insufficiently supported and the second appears to be a misidentification:
Chalmers 1986).
1989: one at Re on 4 October (Ben King, pers. comm.).
PALLAS’S SANDGROUSE Syrrhaptes paradoxus LT - of very irregular
occurrence at Qinhuangdao; believed it was seen in great numbers in the
winter of 1 905, but after that it was not apparendy recorded until the autumn
of 1912. In that year, on 10 November, ‘I met several flocks flying very
swiftly towards the north-east. . . During that month a great number appeared
to have passed, some from west to east, others in an opposite direction. . . Mr
C.B. Rickett wrote to me in the spring of 1913 that great numbers of Sand-
Grouse were imported that season into England from Russia, so that 1912-
13 must have been a great Sand-Grouse year.’ WH - influx to Hebei in
November 1922 due to heavy snowstorms in Mongolia ‘where they usually
winter’; recorded 8 November 1922 to 6 (not 8?) April 1923 at Beijing ‘in
enormous flocks’, and two flocks seen at Beidaihe on 8 May 1923 (Wilder
1923). H - commonly seen in the severe winter of 1944-45; ‘The flocks were
sometimes numbering from one hundred to several hundreds.’ COE - no
records. Ch - erratic in winter in Hebei.
1989: one circled over SF and headed towards Re on 2 November.
Though this species is of erratic occurrence at Beidaihe, its rarity in recent
years perhaps suggests that numbers have fallen - much as they have in the
western parts of its range.
LONG-EARED OWL Asio otus LT - very common migrant, ‘seen
throughout October and November.’ H - one autumn record. COE - 8-11
birds. Ch - migrant and winter visitor in Hebei; status: fairly common.
1986: 139 bird-days were logged from 7 October to 20 November. Most of
these derived from counts of birds leaving or returning to a roost in trees
beside our hotel building (there is a regular roost here in winter, according to
hotel staff). The roost may have been first established as early as 20 October;
numbers increased during the last week of the survey period and the highest
count made was 25 birds on 19 November. The total of 109 bird-days which
accrued on and after 9 November were derived solely from this roost, and it
may be that as few as 35 individuals were seen during the survey. Also seen at
LH and YH.
1992
Autumn bird migration at Beidaihe
39
1987 (P): 57 bird-days, 15 October to the end of the survey; 50 bird-days
after 5 November (mainly/wholly birds using the roost at the Diplomatic
Personnel Guest House); highest day totals eight on 18 November and 20 on
21 November.
1988 (Ho): singles on 16 September and 13 November; the roost at the
hotel was not checked.
1989: ten bird-days, 12 October to 5 November; singles only; no records
from DP Guest House, even though there were observers staying here and
occasionally watching for roosting birds.
1990: before 23 October, one seen. From 23 October, singles at LH on
24, 26 and 31 October, and at the Daihe estuary on 4 November.
In recent years, this species has been uncommon, not a very common
migrant as reported by La Touche.
SAND MARTIN Riparia riparia LT - passes in great numbers from about
10 August to early or mid-October. Most pass by mid-September. “Without
doubt, this bird breeds in the vicinity’. H - 11 dates in two autumns,
3-25 August, plus probable on 2 October; only noted commonly in autumn
1944, sometimes in flocks up to 20 but mostly only a few. COE - at least
2,097 birds, 30 March to 29 May. Ch - migrates through Hebei; status: not
uncommon but sporadic.
1986: 730 bird-days were logged from 20 August to 31 October; the
number of individuals seen will have been only a little less than this total, as
most were recorded flying south. Eighty bird-days were logged to the end of
September. The maximum day total - 195 birds - was recorded on
8 September, which heralded the beginning of the main passage period. This
continued for two weeks and produced 542 bird-days. A further 96 bird-days
were logged to 5 October, and there were only two more records - singles on
9 and 31 October. Around 90% of the birds were recorded from the LH
watchpoint, flying south.
1987 (P): 891 bird-days, 19 August to 25 October; only seven bird-days
after 3 October; 860 were recorded flying south. Highest day totals 165 on
20 August and 430 on 28 August.
1988 (Ho): 157 bird-days, 8 September to 8 October.
1989: five at YH and one south past LH on 9 October, and singles south
on 19, 20 and 25 October.
1990: 69 bird-days, highest day totals 17 on 22 August and 15 on
1 7 September; all before 23 October.
Though the Sand Martin is common, it does not pass in ‘great numbers’ as
reported by La Touche.
LIGHT-VENTED BULBUL Pycnonotus sinensis LT, H, COE - no records.
Sh - one record, an adult female taken at Tanggu on 6 May 1935. Ch -
‘occasionally... to Hebei’.
1986: two were seen at YH on 25 October and one was at Se on 19 and
20 November.
40
M. D. WILLIAMS a al.
Forktail 7
1987 (P): two birds seen on 1 1 and 12 November.
1988 (Ho): one bird seen on four days, 14-18 November.
1989: 84 bird-days, 8 October to 16 November; highest count four until
27 October, when six at Se; numbers peaked at ten on 7 November; there
were nine on 3 November and eight on 1 1 November; at least three were
present on 1 6 November.
1990: before 23 October, eight bird-days. From 23 October, recorded at
Se on four dates: two on 30 and 31 October, heard (number not known) on
1 November, and eight birds on 4 November.
Our records suggest a northward extension of the species’ range, perhaps
resulting from milder winters.
BLACK DRONGO Dicrurus macrocercus LT - one on 24 August; extremely
abundant during September. ‘Sometimes it forms huge noisy parties on some
solitary tree in the fields... The birds when passing fly in very scattered order,
and appear to come from an easterly or north-easterly direction.’ Breeds in
mountains north of Qinhuangdao. H - recorded from 16 August to
18 September, no more than four to seven in a day, absent in autumn 1942.
‘It thus seems, that, like many other birds, the bulk of the drongos in autumn
passes toward W far N of PTH [Beidaihe], only a few, occasionally,
appearing there as in 1944 and 1945.’ COE - 77 bird-days, from 7 May. Ch
- breeds north-eastern provinces; status: common in eastern China.
1986: 464 bird-days were logged from 21 August to 12 October. Main
passage was from 6-17 September, when 442 bird-days were logged and
there were counts of 94 on 7 September, 65 on 10 September and 50 on
15 September. The only record after 21 September was of a late bird on
12 October. A total of 455 birds was recorded from LH, flying south.
1987 (P): 189 bird-days, 20 August to 23 September (155 flew south); the
highest day totals of birds flying south were 33 on 6 September, 43 on
7 September and 38 on 12 September; only seven bird-days were logged
after 16 September.
1988 (Ho): 90 bird-days, 9-13 September; highest day totals 51 on
9 September and 26 on 11 September.
1990: 365 bird-days, highest day totals 105 on 11 September, 53 on
14 September and 38 on 17 September; all before 23 October.
Hemmingsen had found this species more common in spring than in
autumn, the opposite of La Touche’s experience and the findings of the
spring 1985 and recent autumn surveys. This apparently largely results from
him not seeing actively migrating birds in autumn. Unlike La Touche, we did
not find the species extremely abundant, or see huge noisy parties. This may,
as Hemmingsen suggests, result from the bulk of the drongos heading
towards the west (inland) to the north of Beidaihe, or may indicate a
substantial decrease in numbers.
BLUE (RED-BILLED) MAGPIE Urocissa erythrorhyncha LT - common in
hilly parts near Qinhuangdao; breeds. Wilder (1940) had secondhand reports
1992
Autumn bird migration at Beidaihe
41
of birds at Beidaihe in autumn and winter. H, COE — no records. Ch —
breeds in Hebei; status: fairly common, especially in hilly country.
1986: 48 bird-days were recorded from 8 September to 12 November. Ten
bird-days were logged from four dates to 4 October and 17 from 8-13
October. There were six more bird-days from three dates before the final
record and highest day total of 15 birds on 12 November. Most records were
from LH, and it is possible that birds were lingering in the area.
Hemmingsen made rather few observations at LH, and this may account for
his lack of records.
1987 (P): 87 bird-days, 16 September to 21 November; highest day totals
eight on 1 November, 1 1 on 5 November and ten on 10 November.
1988 (Ho): at least 73 bird-days, beginning of the survey to 15 November;
seen at LH and around D.P. Guest House; highest day total six birds.
1989: 177 bird-days, 8 October to 14 November; mainly at LH, where
highest count 14 on 11 October.
1990: before 23 October, 13 on 23 August (highest count in the early
autumn?). From 23 October, 96 bird-days, throughout the period; other than
two at Se on 4 November, all records from LH, where noted on 19 dates
(sometimes heard only), and highest counts 18 on 5 November and 15 on
6 November - otherwise eight or less seen.
This species has become regular at Beidaihe, suggesting a (local)
population increase.
ROOK Corvus frugilegns LT - passes in immense flocks, October and
November. Mentions large rookeries being established at Qinhuangdao. H -
‘Rookeries are common. . . From about the last third of July and throughout
the autumn flocks of some hundreds were often seen (and also the huge
cloud-like flocks of 10,000 or more were noted) both at dawn... and at
dusk... 2.XI 1945 toward evening I saw from ER [Eagle Rock] the largest
migrations of rooks and jackdaws I have ever seen, extending as a cloud-like
band across the whole bay of CHT [Qinhuangdao] apparently from long
inland back of CHT and past King’s Point at EC [East Cliff] . What looked
like young rooks passed ER for some time with slightly opened bills in
scattered formation. Later many adult rooks passed.’ COE - 11 birds
identified from 10 April to 1 May.
1986: 377 birds were identified from 29 August to 17 November. All
except the first bird, seen at Re, were recorded from LH, flying south. The
first record was not followed until 8 October; the highest counts were 103 on
3 November and 116 on 7 November. It seems likely that many of the
31,938 Rooks/Carrion Crows were this species (see below). However, even if
all were Rooks, our total would still seem considerably smaller than may be
expected on the basis of La Touche’s and Hemmingsen’s records; we did not
see any flocks which could be described as ‘cloud-like’. This evidence of a
considerable decline accords with the results of the 1985 study. Further,
neither this nor the 1985 study suggested birds were breeding in the area, yet
both La Touche and Hemmingsen reported rookeries.
42
M. D. WILLIAMS et al.
Forktail 7
1987 (P): 314 flew south, 8 October to 18 November; highest day totals 72
on 14 October and 75 on 30 October.
1988 (Ho): 425 bird-days, 13 October to 15 November; highest day total
1 1 0 on 13 October and 27 October.
1989: 1,195 flew south, 13 October to 12 November; highest day totals
173 on 17 October and 384 on 31 October.
1990: before 23 October, 175 bird-days. From 23 October, 1,121 were
recorded flying south, 23 October to 14 November; highest day totals 1 10 on
24 October, 392 on 25 October, 100 on 2 November and 313 on
9 November.
The increase in numbers during recent surveys is due to observers
distinguishing more Rooks and Carrion Crows.
See also Rook/Carrion Crow.
ROOK/CARRION CROW Corvus frugilegus/C. corone COE - 1,286 bird-
days, 1 6 March to 1 0 May.
1986: most of the Rooks/Carrion Crows recorded were not specifically
identified as the vast majority were seen in flocks passing south, and were
often rather distant: 31,946 bird-days were recorded from 10 October to
19 November; 709 were recorded on 10 October, 2,387 from 11-20
October, 9,238 (the peak day count) on 2 1 October and a further 24,623 to
5 November. All were recorded from LH; 31,931 passed south and 15 flew
north.
1987 (P): 6,148 flew south, 17 October to 14 November; highest day totals
3,000 on 30 October and 1,075 on 4 November.
1988 (Ho): 5,660 bird-days, 1 1 October to the end of the survey.
1989: 16,793 flew south, 8 October to 14 November; highest day totals
2,693 on 9 October, 2,303 on 16 October, 1,058 on 28 October and 4,613
on 31 October and 1,088 on 1 November.
1990: before 23 October, 856 bird-days. From 23 October, 4,998 bird-
days (all but seven were recorded flying south), throughout the period;
highest day totals of bird flying south 1,216 on 24 October, 550 on
26 October, 713 on 1 November and 992 on 9 November.
It is likely that the majority of the unidentified birds were Rooks. Both La
Touche and Hemmingsen reported this species to be abundant in autumn,
passing in large or immense flocks, whilst La Touche noted that the Carrion
Crow migrates in small parties. We also found that Carrion Crows were in
small scattered parties, less compact than the flocks of Rooks; when large
flocks passed nearby, it was generally Rooks that were heard calling (e.g. in
1986, largely because of calls heard from flocks passing overhead - which
numbered up to 900 or more, we felt that most of the 9,238 birds recorded
on 21 October were Rooks).
LONG-TAILED TTT Aegithabs caudatus LT - probably resident in wooded
parts. H - three birds in November 1943. COE - one A. c. caudatus ,
30 April. Ch - A. c. vinaceus resident and winter visitor in Hebei, A. c.
1992
Autumn bird migration at Beidaihe
43
caudatus winter visitor to the province; status: fairly common.
1986: 104 bird-days were logged from 12 October to 16 November; all
except 17 birds were seen at LH, often in flocks of 5-11 birds. There was a
slight concentration of records during the last week of October and first week
of November. Birds of the subspecies A. c. vinaceus and A. c. caudatus were
seen, and several individuals showed intermediate characters.
1987 (P): 122 bird-days, 6 September to 17 November; only 12 bird-days
to 17 October, after which more regularly seen; highest day totals 12 on
21 October, 14 on 25 October and 12 on 3 November.
1988 (Ho): 39 bird-days, 20 October to 14 November.
1989: 258 bird-days, 9 October to 12 November; highest day total 41 on
16 October (birds seen well were all A. c. vinaceus).
1990: before 23 October, 167 bird-days (A. c. caudatus ), highest day total
39 on 15 October. From 23 October, 241 bird-days (again all A. c. caudatus ),
throughout the period; highest day totals 30 on 23 October, 29 on
24 October, 23 on 25 October, 22 on 26 October and 19 on 15 November.
These are the highest numbers of this race yet recorded at Beidaihe, perhaps
suggesting an irruption (interestingly, one was seen in Hong Kong in late
December - well south of the known range, and possibly an escape though it
showed no signs of this). The switch from all A. c. vinaceus in 1989 to all
A. c. caudatus in 1990 is curious (the races are readily separable).
The species has been fairly common at Beidaihe in recent years, suggesting
that the population has increased, perhaps as a result of mild winters.
CHINESE PENDULINE-T1T Remiz (pendulinus ) consobrinus LT - not
common; in autumn one on 25 October 191 1, a flock 5-7 or 8 October 1915
and a party on 16 October 1916. Wilder (1924a) - two small flocks,
6-9 October 1923; ‘These were the first I had ever noticed wild, though I had
bought them in the Peking market several times.’ H - once seen and twice
probably heard in spring, two or three seen 26 October 1944. COE - just
over 1,000 bird-days, 28 April to 28 May. Ch - migrates though Hebei;
status: uncommon in the north of China.
1986: 1,292 bird-days were logged from 24 September to 19 November.
There was significant passage throughout October, with the main passage
from 3-17 October when 1,051 bird-days were logged. Most passed south:
1,026 were recorded from LH, including the highest day count, 530 birds on
1 5 October.
1987 (P): 2,570 bird-days, 24 September to 9 November; 2,491 bird-days
from 7-26 October, including 2,158 birds recorded flying south; highest day
total 1,190 (1,150 flew south) on 13 October.
1988 (Ho): 4,187 bird-days, 30 September to 16 November; 2,715 were
recorded on 1 1 October, mainly/wholly passing south (recorded at Daihe
estuary; only 50 were recorded from LH on this day).
1989: 1,577 bird-days (1,431 flew south), 8 October to 16 November;
1,448 bird-days over 12-19 October; highest totals 321 flying south on
12 October and 707 flying south on 19 October.
44
M. D. WILLIAMS el al.
Forktail 7
1990: before 23 October, 245 bird-days, highest day total 130 on
13 October. From 23 October, 88 bird-days (60 were recorded flying south),
23 October to 5 November; highest day total 23 (all flying south) on
25 October.
As in spring 1985, the species was common to abundant at Beidaihe
during the autumn surveys, rather than uncommon as previously reported. It
thus seems that the population migrating through the area has substantially
increased in recent years.
YELLOW-BELLIED TIT Parus venustulus LT, H - no records. COE - 21
bird-days, 21 April to 19 May. Ch - resident Beijing Municipality, Hebei
(midpart); status: common locally.
1986: 74 bird-days were logged from 27 September to 20 November.
Twenty bird-days were logged to mid-October and seven in the second half
of the month. There were a further 1 1 bird-days from 1-6 November and 28
from 10-13 November, and another eight during the last five days of the
survey. Over half the records were from LH; seven were logged from the
watchpoint, flying south.
1987 (P): 377 bird-days, 1 September to the end of the survey; only three
bird-days to 5 October; on most days from late October to late November up
to 15 were present around the D.P. Guest House.
1988 (Ho): at least 57 bird-days, 18 September to 3 November.
1989: 103 bird-days, 12 October to 16 November; highest day totals 14 on
6 November, and ten on 27 October and 7 November.
1990: before 23 October, 13 bird-days, highest day total eight on
4 October. From 23 October, singles were at LH on 24 and 29 October.
It seems surprising that this species had not been recorded at Beidaihe
prior to spring 1985. Perhaps there has been a range expansion, with a
migratory population now breeding to the north of the range given by Cheng.
VINOUS-THROATED PARROTBILL Paradoxomis webbianus LT -
common in mountains. Wilder (1932) noted it on mountains north of
Beidaihe. H, COE - no records. Ch - resident in northern Hebei; status:
locally common.
1986: ten were at Re on 19 and 30 October, and 1 1 were seen at the same
locality on 13 November. The records may all refer to the same flock, which
could be surprisingly elusive.
1987 (P): 414 bird-days, 24 September to 24 November; total perhaps
results from two flocks being seen several times; highest day total 28 on
2 October.
1988 (Ho): a flock of 25 birds was seen at Re on eight dates from
1 6 September to 1 7 October.
1989: 574 bird-days, 8 October to 10 November; up to 20 at Re to
24 October, when 40 were present; 1 6 at Re, 25 at Lighthouse Point and one
at Study Gully the following day; one 28 October, 40 at Lighthouse Point
and 35 at Re; the highest day total was 105 (35 at Re, 20 at Lighthouse
1992
Autumn bird migration at Beidaihe
45
Point, 30 at LH and 25 at EG) on 1 November, after which day totals did
not exceed 35.
1990: before 23 October, four bird-days. From 23 October, 15 were at Re
on 31 October and seven at Eagle Rock on 4 November.
The records suggest a local population increase, maybe as a result of lower
mortality during recent mild winters.
SIBERIAN RUBYTHROAT Erithacus (Luscinia) calliope LT — very
abundant in autumn, passing from about 10 September to the end of
September. H - seen from 31 August to 5 October over three years; similar
numbers to spring. COE - 56 bird-days, 18 April to 24 May. Ch - migrates
through Hebei; status: common.
1986: 48 bird-days were logged from 21 September to 13 October.
Seventeen bird-days were logged during the first week of passage, 1 9 in the
second, and 12 in the last nine days. The highest day count was seven on
24 September. Seen at a wide variety of localities. Of 44 birds aged/sexed, 25
were adult males (with flame-red throats) and 19 females or immatures. The
comparable number of bird-days to spring 1985 accords with the pattern
recorded by Hemmingsen, though his spring and autumn figures are nearly
equal (15 bird-days in spring, 17 in autumn).
1987 (P): 117 bird-days, 18 September to 2 November; 103 bird-days
between 27 September and 1 1 October; highest day totals 25 on 7 October
and 24 on 8 October; only four records of single birds after 1 5 October.
1988 (Ho): ten bird-days, 12 September to 3 October.
1989: five bird-days, 8-24 October.
1990: 26 bird-days, highest day totals four on 18 September, five on 3
October and four on 5 October; all before 23 October.
Our records suggest that this species is now rather uncommon at Beidaihe,
not very abundant as reported by La Touche.
TWO-BARRED WARBLER PhyUoscopus (trochiloides) plumbeitarsus LT -
abundant, ‘generally travels with P. borealis [Arctic Warbler], but remains
much later in autumn.’; observed from the latter half of August to about
22 September - must remain later as one shot 4 October. ‘At the beginning
of September 1913 and 1914 this bird swarmed for a few days on some
jujube-bushes behind our house.’ H - none identified. COE - less than 69
bird-days (total includes some misidentified Arctic Warblers), 5 May to
June.
1986: 35 bird-days were logged from 24 August to 10 October. The main
passage followed that of the Arctic Warbler, with 20 bird-days logged from
26 September to 4 October. The highest day total was five on 4 October.
This species is very similar to the Arctic Warbler, and records of both may be
somewhat unreliable.
1987 (P): 30 bird-days, 5 September to 10 October; highest day total four
on 8 and 9 October.
1988 (Ho): five bird-days, 1 1 September to 3 October.
46
M. D. WILLIAMS el al.
Forkiail 7
1989: one was at LH on 9 October.
1990: four bird-days, highest day total four on 16 September; all before 23
October.
We found the Two-barred Warbler rather uncommon - not abundant as
reported by La Touche.
PADDYFIELD/BLUNT- WINGED WARBLER Acrocephalus agricola /
concinens LT - birds La Touche described as the North China Reed Warbler
A. langorum were very common in the millet fields around Qinhuangdo from
about 18 August to the latter half of September; only met with on a few
occasions in spring. ‘It is probable that this Reed-Warbler breeds in the
marshes of the district.’ (The taxonomy of this bird was discussed by Alstrom
et al. 1991, who considered it to be a race of A. agricola). Blunt-winged
Warbler evidently a rare migrant, as in seven years’ collecting only one
specimen, 10 June 1914. WH - Hebei records for Blunt-winged Warbler in
one year, 15-24 May; Hemmingsen cites Wilder and Hubbard as having
collected specimens of A. tangorum at Beidaihe on 30 August and
2 September, and that (like La Touche) they found it in millet fields. H - no
records. COE - two birds.
1986: a bird identified as Blunt- winged Warbler was seen on 2 October,
and singles identified as Paddyfield Warbler were seen on 4 and 1 5 October.
1987 (P): a Blunt-winged or Paddyfield Warbler was seen on
27 September, and a bird thought to be a Paddyfield Warbler on
29 September.
1989: three Paddyfield Warblers - one at Daihe on 12 and 13 October,
and two at Re on 14 October.
PALLAS’S WARBLER (Pallas’s Grasshopper Warbler) Locustella certhiola
LT - very abundant, last week of August to mid-September. H - recorded in
one autumn, from 25 August to 22 September. COE - 42 bird-days, 7 May
to 1 June. Ch - migrates through Hebei; status: more common on migration.
1986: 28 bird-days were logged from 28 August to 14 October. Only seven
birds were recorded to 1 7 September, when the main passage period began;
during the ensuing two weeks, 18 bird-days were logged. Singles on 1, 3 and
14 October were the last records. The main passage period seems to be later
than recorded by La Touche and Hemmingsen.
1987 (P): 52 bird-days, 5 September to 2 November; highest day total 12
on 27 September; only one - on 2 November - after 8 October.
1988 (Ho): 19 bird-days, 17 September to 5 October.
1989: 14 bird-days, 8-14 October; highest day total five birds on 13
October.
1990: 58 bird-days, highest day totals six on 19 September, eight on
22 September and nine on 27 September; before 23 October.
We found this species uncommon, not very abundant as reported by La
Touche.
1992
Autumn bird migration at Beidaihe
47
LANCEOLATED WARBLER Locustella lanceolata LT - very abundant, last
10 days of August until October (last records 8th and 10 October). WH -
common during 3-12 September 1924. H — one doubtful autumn record.
COE - 292 bird-days, 9 May to 1 June. Ch - migrates through Hebei; status:
uncommon.
1986: 238 bird-days were logged from 29 August to 19 October; highest
day totals, 28 on 28 September and 36 on 29 September. Thirteen bird-days
were logged to 17 September, when significant passage began. The main
passage was during the two weeks beginning 24 September, when 179 bird-
days were logged. After 9 October, four were seen on 13 October and one on
19 October. As with the Pallas’s Warbler, the passage of this species was
rather later than noted by La Touche and Hemmingsen, with birds not
occurring in numbers until mid-September.
1987 (P): 251 bird-days, 22 August to 28 October; highest day totals 15 on
20 September, 35 on 27 September, 26 on 28 September and 30 on
29 September.
1988 (Ho): 38 bird-days, 11 September to 17 October.
1989: eight bird-days, 8-24 October; highest day total two birds on
14 October; only one bird after 16 October.
1990: 113 bird-days, highest day totals 25 on 10 September and 13 on
3 October; all before 23 October.
We found the Lanceolated Warbler was common, not very abundant as
reported by La Touche.
JAPANESE MARSH WARBLER (Japanese Marshbird) Megalurus pryeri LT
- one shot on 19 October 1911; on 18 October 1914, at marshes, ‘swarming
on the grassy banks and among the sedgy grass of the locality’. H, COE - no
records.
1989: four individuals were seen - singles at Re from 12 to 14 October, at
Lighthouse Point on 14 and 23 October and at Re on 24 October.
1990: one was at Fishhook Point on 31 October.
WHITE-BROWED CHINESE WARBLER Rhopophilus pekinensis LT -
very common in the mountains. H - no records. COE - five birds, 7 April to
19 May. Ch - resident on Xiao-Wutai Mt., Chengde, Hebei; status:
uncommon.
1986: there were six records of single birds: in September, at YH on
25 September and TH on 30 September, and in October at YH on
1 October, Se on 2 October, EG on 13 and 14 October, and Re on
19 October.
1987 (P): 70 bird-days, 24 August to 2 November; two on 24 August and
5 September; more frequent from 13 September; highest day total six on
6 October. Mainly recorded at Daihe estuary ATI.
1988 (Ho): nine bird-days, 8-18 October.
1989: 30 bird-days, 12 October to 15 November; five bird-days to
28 October; highest day total four on 30 October.
48
M. D. WILLIAMS el at.
Forktail 7
1990: one on 26 September.
It appears that records of this species earlier this century were only from
the mountains, and the numbers of birds recorded at Beidaihe in recent years
suggest a population increase, perhaps because of mild winters.
BROWN ACCENTOR Prunella fulvescens No previous records for Hebei.
Cheng maps the nearest area of occurrence as the north-western strip of Nei
Mongol Aut. Reg. (Inner Mongolia) during the summer.
1986: one was at the LH watchpoint on 21 October. This appears to be
the first record for Hebei.
YELLOW WAGTAIL MotaciUa flava LT - ‘immense flocks’ pass from the
latter half of August to late September. H - seen from 17th and 18 August to
13 October and 11 September during two years. COE - 1,502 bird-days,
8 April to 1 June. Ch - migrates through Hebei; status: fairly common.
1986: 6,719 bird-days were logged from 20 August to 13 October. The
main passage was during the three-week period 27 August to 16 September,
when 2,368, 2,098 and 1,188 bird-days were logged in successive weeks,
making 5,654 bird-days in total. The peak day count was 1,438 on
6 September. Seventy-seven bird-days were logged during October. Most
birds were seen flying south, with about 53% of the records from the LH
watchpoint. Only eleven birds were racially identified. Of these, seven were
M. f. simillima - singles on 29 and 30 August, 8, 12, 15 and 24 September
and 2 and 3 October (same bird on last two dates); two were M. f. macronyx
- singles on 18th and 22 September, and one M. f. plexa was seen on
26 September.
1987 (P): 7,779 bird-days, beginning of the survey to 23 October; 7,294
were recorded flying south, including 6,389 from 18 August to
16 September. Highest day totals 910 on 30 August and 740 on
10 September.
1988 (Ho): 2,066 bird-days, 8 September to 18 October; 530 were
recorded on 1 2 September; only 7 1 bird-days in October.
1989: 35 bird-days (26 flew south, 8-26 October); highest day total 24 (all
flying south) on 1 2 October.
1990: 2,275 bird-days, highest day totals 382 on 24 August and 227 on
31 August; all before 23 October.
We did not see ‘immense flocks’ as La Touche reported passing
Qinhuangdao.
CHINESE GREY SHRIKE Lanius sphenocercus LT - ‘found sparingly in
spring, but much more commonly on the return passage, when it may be
seen from the beginning of September, throughout October, and in
November. A number winter in the district’. H - one record, 14 September
1944. COE - no records. Ch - migrates through Hebei; status: uncommon.
1986: there were seven records of singles at YH on 20 August (probably
adult), 25 September, 4, 7 (adult male) and 9 October and 17 November.
1992
Auiumn bird migration at Beidaihe
49
Another was seen flying south over Lighthouse Point on 5 September. It may
be that five individuals were involved. On 4 October, an impaled Eurasian
Tree Sparrow Passer montanus seen at Daihel Yanghe (Nandaihe) was
probably the prey of a Chinese Grey Shrike seen nearby.
1987 (P): two on 13 October, one on 24 October, one flew south on
8 November and one on 1 5 and 1 6 November.
1989: one at Re on 8 November.
1990: one was seen from 7-10 September.
It appears this species is scarcer than in La Touche’s time. However, it may
be that rather few land at Beidaihe; we have regularly found ones and twos
on late autumn visits to estuarine areas south of Beidaihe.
CHAFFINCH FnngiUa coelebs LT, H, COE — no records. Ch - only two
sites given for the species, with record(s) in winter in Xinjiang Uygur Aut.
Reg., and a female at Shenyang, Liaoning Province, on 16 December 1963.
1990: one was at LH on 14 October.
Four individuals were seen at Beidaihe from 22 March to 10 April 1989,
and two were seen around Beijing during the winter 1988/1989 (Holt 1989).
COMMON REDPOLL Carduelis flammea LT - common migrant, October
and November, seen in winter. H - one record, 16 November 1942 (a few).
COE - three birds on 2 May. Ch - migrant and winter visitor; status: fairly
common.
1986: 84 bird-days were logged from 28 October to 18 November. The
first record was of two at LH, 31 bird-days were logged in the week from
29 October and 24 in the following week. Twenty-seven bird-days were
logged during the last nine days of passage. Most records were from LH,
with 17 recorded flying south.
1987 (P): two on 7 October, and singles on 20 October and 9 November.
1988 (Ho): 58 bird-days, 25 October to the end of the survey.
1989: no records.
1990: one was at LH on 24 October.
Hie records suggest the species is rather erratic in occurrence, and rare to
uncommon, not a common migrant as reported by La Touche.
ASIAN ROSY-FINCH Leucosticte arctoa LT, H, COE - no records. Ch -
breeds in far north-east of China, perhaps winters south to Hebei; status:
uncommon.
1986: on 18 October, two birds arrived from the north, landed briefly at
the LH watchpoint, then flew off southwards.
LAPLAND LONGSPUR Calcanus lapponicus LT - appears in numbers in
late autumn and occurs on the plain in late winter and early spring in
immense flocks. H - in numbers in winter, e.g. ‘large flocks of hundreds
flying about GS [Grassy Sands]’ 16th and 18 November 1944; earliest
autumn date 22 October. COE - no records. Ch - migrant and winter visitor
to Hebei; status: rare.
50
M. D. WILLIAMS ei al.
Forktail 7
1986: 54 bird-days were logged from 20 October to 18 November. Four
were recorded before 30 October, from which date to 1 November nine bird-
days were logged. The highest day count was 17, recorded from LH, flying
south, on 7 November, and there was a flurry of records, totalling 18 bird-
days, from 14-18 November. Twenty-seven birds were recorded flying south,
at LH or SF.
1987 (P): 92 bird-days (88 were recorded flying south), 13 October to
24 November; highest day totals 19 on 23 and 28 October; only one bird
after 7 November.
1988 (Ho): eight bird-days, 18 October to the end of the survey.
1989: 199 bird-days, 19 October to 16 November (65 flew south); 56 flew
south over 31 October and 1 November; 100 were at YH on 16 November.
1990: the only record before 23 October was two on 18 October. From
23 October, 41 bird-days (28 were recorded flying south), throughout the
period; highest day totals eight flying south) on 8 November and 1 1 (at YH)
on 1 5 November.
This species has not been abundant in recent years, in contrast to the
observations of La Touche and Hemmingsen. This may be because recent
winters have been relatively mild.
CONCLUDING REMARKS
The observations in 1986-1990 further demonstrate that Beidaihe is an
excellent migration watchpoint. Around 345 species were recorded, of which
perhaps only 14 are year-round rsidents at Beidaihe. For several species the
numbers are higher than recorded anywhere else - notably the total of 2,729
Oriental Storks in 1986, more than double the previous estimate of 900-
1,000 birds (Archibald and Luthin 1985) for the known world population.
A notable difference between spring and autumn at Beidaihe is that visible
migration is considerably heavier in autumn than in spring: 262,970 passing
migrants were recorded from the Lotus Hills watchpoint during the 1986
survey. Shorebird numbers are also substantially higher in autumn, and for
many species the autumn is generally similar to, or better than, the spring;
dabbling ducks are notable exceptions, being generally commoner in spring.
Population declines outnumber increases
One of our main aims in conducting the surveys was to provide data to help
show population changes, initially by comparisons with observations made
earlier this century. Such comparisons are not always easily made: difficulties
include differences in localities (La Touche studied birds at nearby
Qinhuangdao, Beidaihe has changed considerably since Hemmingsen’s
time); in numbers of observers and survey techniques; lack of data - e.g. for
scarcer species, and for passerines, which Hemmingsen gives few numbers
for (cf. his counts of Bean Geese and cranes). Also, La Touche seems rather
generous in describing birds as ‘common’ or ‘abundant’, and writing of
1992
Autumn bird migration at Beidaihe
51
‘great’ or ‘enormous’ flocks, or ‘streams’ of birds; if he was conservative in his
use of these words, it would seem that the migration today is but a shadow of
the past.
Yet, even without guessing whether La Touche would differ from us in
describing abundances, it is clear that there have been some marked declines
during this century. Just from the drop in Rook numbers, the autumn
migration we have recorded is poorer by tens, even hundreds, of thousands of
migrants than the migration Hemmingsen knew. (The conclusion to the
spring 1985 survey - ‘it is heartening that the results indicate that the
populations of most of the species recorded seem to have changed little’:
Williams 1986 - now seems too rosy, though stemmed from initial fears that
the situation could be far worse than was found.)
Comparison of recent and past records suggests the following 33 species
have declined: Oriental Stork, Bean Goose, Northern Pintail, Common Teal,
Baikal Teal, Falcated Duck, Baer’s Pochard, Black Kite, White-tailed Eagle,
Common Buzzard, Amur Falcon, Japanese Quail, Common Crane, Baillon’s
Crake, Common Coot, Great Bustard, Little Curlew, Sanderling, Pallas’s
Sandgrouse, Long-eared Owl, Sand Martin, Black Drongo, Rook, Siberian
Rubythroat, Two-barred Warbler, Paddyfield Warbler, Pallas’s Warbler,
Lanceolated Warbler, Japanese Marsh Warbler, Yellow Wagtail, Chinese
Grey Shrike, Common Redpoll and Lapland Longspur.
The following five species are residents in the area and may have increased
because of mild winters, perhaps resulting from the ‘greenhouse effect’:
Light-vented Bulbul, Blue Magpie, Vinous-throated Parrotbill, White-
browed Chinese Warbler, Long-tailed Tit and, perhaps, Yellow-bellied Tit
(though it may be that at least some of the latter which occur at Beidaihe are
migrants, which move south for winter). Professor Tu Qipu, Vice President
of the Nanjing Insitute of Meteorology, quoted in Anon. (1991), pointed out
that ‘In the last 100 years, there have been ten years with abnormally high
temperatures [in China] - four of them between 1981 and 1990 - and the
year 1990 was the warmest.’
It may be that the milder winters are responsible for recent downward
trends in the numbers of some late autumn migrants such as the Common
Goldeneye (Williams in prep.), the White-tailed Eagle, the Hen Harrier
(Williams in prep.) and the Great Bustard, and could be the reason for the
relative scarcity of the Lapland Longspur; maybe these birds are lingering,
and even wintering, further north than normal.
The Great Egret may have recovered a little from plume-hunting late last
century, but is still far from its past numbers. Recent records, especially in
spring, suggest a similar increase in the population of the Little Egret Egretta
garzetta, though again it is not common.
This leaves the following four species which have shown substantial
increases in numbers, but which are neither possible by-products of climatic
warming nor recoveries from slaughter: Chinese Pond-Heron, Red-breasted
Merganser, Grey-tailed Tattler and Chinese Penduline-Tit.
52
M. D. WILLIAMS el al.
Forktail 7
Environmental damage in China (see, e.g. Smil 1983, Vermeer 1984, Burton
1991) will have significantly contributed to the downward trend in numbers
of migrants. More specific reasons for declines include:
Wetland damage and destruction. Evidently a serious problem; 14 of the
species we suggest are scarcer are wetland birds (and the Sand Martin is
closely associated with freshwater). So also are three notable ‘absentees’ from
the autumn surveys: Dalmatian Pelican Pelecanus crispus, Tundra Swan
Cygnus columbianus and Streaked Reed-Warbler Acrocephalus sorghophilus.
The Dalmatian Pelican was ‘formerly common around Beijing’, but had
become rare by the 1930s (Shaw 1936; Hemmingsen and Guildal 1968
report ‘30 years ago breeding in Peking according to old residents’). The only
Beidaihe records are one (specimen?) and two to three reports by friends
(Wilder and Hubbard, cited in Hemmingsen and Guildal 1968).
Hemmingsen (Hemmingsen and Guildal 1968) recorded 2-13 Tundra
Swans on eight autumn dates. La Touche (1920) found the Streaked Reed-
Warbler was common from about 22 August to 7 September 1912 and 1913.
Spring records also suggest declines in the latter two species (Williams 1986,
Williams and Domer 1991).
Wetland drainage along the Yangtze valley, an important wintering area for
many waterfowl (e.g. Styan 1891) could have contributed to several declines.
But for the Baikal Teal, which has apparently suffered a population crash
throughout east Asia (Anon. 1990), the main problem may be on the
breeding grounds in the USSR (C. Poole in litt. July 1990). Similarly, for the
Streaked Reed-Warbler, the main reason for the apparent decline may lie
outside China - in this case in its winter haunts in the Philippines.
Destruction of tropical and sub-tropical forests in their Central and South
American wintering areas has been blamed for declines in several North
American songbirds (Terborgh 1989). A similar situation may be expected in
Asia, where there is also a large landmass in the north, and relatively little
land with already depleted tropical forests in the south. Perhaps this is the
reason for the reductions in the Siberian Blue Robin - suggested by spring
studies (Williams 1986, Williams and Domer 1991) - and in the Two-barred
Warbler.
The Black Kite and the Rook, which are usually very tolerant of man, may
have suffered from pesticides, which may be used with little care in China.
Other birds of prey, perhaps including the White-tailed Eagle and the
Common Buzzard, will probably have also been affected by pesticides.
Hunting and trapping will also contribute to declines. Hunting may be a
serious threat to the Great Bustard, which probably faces severe problems
just from shrinking habitat.
Plans for future work ; visitors welcome
With the survey results showing that the migration in Beidaihe is much
reduced, if still impressive, we are shifting the focus of our attentions from
study to conservation work.
1992
Autumn bird migration at Beidaihe
53
In autumn 1988, XW and MDW helped found the Beidaihe Bird
Conservation Society. Through the society’s efforts, the western part of the
Lotus Hills has been declared a reserve, and China’s first reserve for
migrating birds has been established beside the Henghe reservoir. There are
plans to transform this reserve into a lagoon overlooked by a visitor centre
(Ounsted 1990); however, funds for the work have not yet been found. The
society has organised talks to local schoolchildren, and a televised
competition on conservation.
Visits by birdwatchers have helped stimulate work at the town - Beidaihe is
probably the most visited (if not the best) of China’s destinations for eco-
tourism. Visiting birdwatchers are welcome; copies of any reports would be
appreciated (please send to MDW or XW).
Dr George Archibald and Jeffery Boswall have continued to encourage the work at Beidaihe.
The support of Earthwatch enabled surveys in late autumns 1988, 1989 and 1990, funded by
volunteers whose participation helped ensure good coverage from the Lotus Hills.
The efforts of all other observers who have contributed to the autumn surveys are greatly
appreciated:
1986: Ron Appleby, Dave Bakewell, Steve Holloway, Simon Stirrup and Simon Thompson.
1987: Pete Akers, Dave Allen, Jesper Homskov, Stig Jensen, Paul Noakes, Alan Parker, Ken
Simmons, Dave Suddaby, Tao Yu, Rob Tolk and Dennis Weir.
1988: Jesper Homskov, Tao Yu and Zheng Jimin.
1989: Simon Aspinall, Colin Bradshaw, Nick Dymond, Keith Fairclough, Eric Meek, Reg
Thorpe and Adrienne and Colin Wells.
1990: Jan Hjort Christensen, Jesper Homskov and Mike Kilbum.
Several observers also helped with collating data: Simon Thompson worked assiduously on the
Lotus Hills log in 1986, and was helped in this by his wife Pam as the task continued after the
survey; John Palfery summarised the 1987 log; Stig Jensen and Jesper Homskov co-ordinated data
collection in 1987, and Jesper produced a report on 1988 observations; and Jan Hjort Christensen
summarised 1990 observations prior to the Earthwatch survey in that autumn.
Though not a survey member, Jeanette Domer helped with proofreading the annotated species
list, and comparing past and recent records to show apparent population changes.
Tim Inskipp made useful comments on, and amendments to, an earlier draft of this paper.
Many thanks are due to the following for their assistance: Fagus Anstruther Memorial Trust,
Kyoko Archibald, the Asian Wetland Bureau, the Augustine Trust, the Nora Bendall Charitable
Trust, the Biological Council, British Birds, the British Ecological Society, the British
Ornithologists Union, the Cambridge Philosophical Society, the Cambridge University Explorers
and Travellers Club, Camera Care Systems Ltd, Cathay Pacific, Cluff Oil pic, Crane Ltd, Croom
Helm Ltd, the Diplomatic Personnel Guest House (Beidaihe), Dutch Birding, the Gilchrist
Educational Trust, Golden Wonder Ltd, David Hatton, Heffers Booksellers, the International
Council for Bird Preservation, Jessop of Leicester Ltd, the Jin Shan Hotel (Beidaihe), Merchant
Taylors’ School (Crosby), the Peter Nathan Cultural Trust, Pembroke College, Cambridge, the
Royal Insurance Co Ltd, the Scientific Exploration Society Ltd, the Percy Sladen Memorial
Fund, the John Swire Charitable Trust, David Tang and the World Wide Fund for Nature.
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cranes at Beidaihe beach, Hebei Province, China. Proceedings of International Crane Workshop,
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FORKTAIL7 (1992): 57-73
Recent records of birds from Bhutan
F. A. CLEMENTS
Records are presented of birds seen during two recent trips to Bhutan, in March 1986 and
April/May 1990. A brief description of habitats visited is given. A total of 235 species was
recorded, of which 22 are believed to be newly published records for Bhutan. A record of Three-
banded Rosefinch Carpodacus irifasciatus is described, which is the first record for the Indian
subcontinent. The importance is discussed of extensive sub-tropical hill forest to species with few
other recent records in the Himalayas. Birdwatchers visiting Bhutan are encouraged to collect and
publish records to assist with the conservation of important forests.
Bhutan is a land-locked kingdom in the eastern Himalayas which has long
held a fascination for natural history explorers. A political mission led by R.
B. Pemberton collected some birds there in 1838, but, despite the statement
in Pemberton (1865): ‘Of the birds in Bootan a detailed account will be
hereafter given when a competent examination has been effected of the
collection made by the Mission during its progress through the country’, no
report was published and the surviving specimens carry no locality data (see
discussion in Ludlow and Kinnear 1937). No further work was carried out
until F. Ludlow and G. Sherriff studied the flora and birds in Bhutan on four
collecting trips they made in the 1930s (Ludlow and Kinnear 1937, 1944).
Salim Ali, S. D. Ripley and a team from the Zoological Survey of India made
six collecting trips to the country between 1966 and 1973. Ali (1977) stated
that ‘A comprehensive scientific report of the complete ornithological survey
of Bhutan is under preparation jointly by Dr S. Dillon Ripley, Dr Biswamoy
Biswas and myself. This will include the results of the series of recent
expeditions undertaken by all the three, jointly and severally, and will be
based on our combined collections and field notes’. Ripley (1973) made
some general comments about the diversity and numbers of birds
encountered, but the only other information so far published relates to
localities of the collected specimens (Abdulali 1969-1988) and the listing of
Bhutan in distributional information in Ali and Ripley (1983) and Ripley
(1982).
Birdwatchers visiting other parts of the Himalayas have leamt of the
increasing diversity one encounters when moving east, and of the fact that
Bhutan has kept its extremely rich forests substantially intact (Sargent 1985).
The difficulties over access which are only now easing have, over the years,
added to the allure of the country and the excitement of finding interesting
bird species. The potential for seeing species in Bhutan difficult to see in
other parts of the Himalayas, and of finding important populations of species
rare elsewhere has long been recognised. Even birdwatchers and botanists
visiting recently have tended to go to similar areas, so that the mid-altitudes
and particularly the valleys of Paro, Thimphu and Bumthang are better
known, while die east and lower altitudes remain relatively unexplored for
birds. Gaston (1989) visited Paro in the west and Chorten Koro in the east,
giving some details of species seen there.
58
F. A. CLEMENTS
Forktail 7
Once in Bhutan, birdwatching is relatively easy. Towns are very small and
surrounded closely by reasonable habitat, including primary forest. Although
roads are few there is so little traffic that they provide excellent walks through
the most beautiful examples of Himalayan forests. There are increasing
opportunities to trek, often in completely new areas.
I have been fortunate to visit Bhutan twice. In 1986 I accompanied Nicola
Bradbear between 4 and 29 March on her appointment to the Royal
Government to look at the potential for developing beekeeping. We were able
to travel extensively, and were particularly lucky to spend a few days in
central Bhutan on and around the road connecting Tongsa with Geylegphug
on the southern border (Figure). In 1990 I led the “Naturetrek” trip with
botanist Tony Schilling between 23 April and 1 1 May, which included a ten
day trek in the Bumthang valleys. While both trips have been in the spring,
the first was early enough to catch lingering winter visitors, notably Black¬
necked Crane Grus nigricollis (Clements and Bradbear 1986), and the second
trip was late enough for most summer visitors to have arrived. A total of 235
species was recorded.
Bhutan possesses a similar altitude range and habitat diversity to Nepal,
and is very compact. The narrow winding roads can take one from sub¬
tropical valleys to 3,500 m passes in half a day. The southern lowland strip is
even narrower than similar habitat in Nepal and has suffered equivalent
pressure from agricultural development. However, remnant areas of Sal
Shorea robusta forest even around the town of Geylegphug make it possible to
see specialist forest birds such as Great Hombill Buceros bicomis. Travelling
north and rising in altitude, the roads pass through rich sub-tropical forest of
which the area around Honey Rocks is a particularly good example. Here the
colonies of the Rock Bee Apis dorsata usually have attendant Yellow-rumped
Honeyguide Indicator xanthonotus, as they seem to commonly elsewhere in
Bhutan. If the birdwatcher chooses to enter the country by road, then the
journey from Phuntsholing in the south-west, gaining altitude towards Paro,
passes through excellent sub-tropical Schima/Castanopsis, and warm
temperate evergreen forest particularly between Gedu, where there is a wood¬
processing factory, and Bunakha. The east-west road runs through the mid¬
altitudes of the country, descending to 900 m at Wangdiphodrang, and
climbs to the three higher passes of the Dochhu La (3,116 m), Pele La
(3,390 m) and Yutong La (3,404 m). In the valleys, wide rivers provide
wintering habitat for Ibisbill Ibidorhyncha struthersii and Long-billed Plover
Charadrius placidus. On the passes are very good examples of cool temperate
evergreen forests dominated by conifers at the highest altitudes. The valleys
around Paro and Thimphu in the west are very dry and, at around 2,600 m,
are vegetated with Blue Pine Pinus wallichiana, usually as secondary growth.
Even these areas can be extremely rewarding for birds, for instance Brown
Parrotbill Paradoxomis unicolor and Maroon-backed Accentor Prunella
immaculata were both encountered in March less than half an hour’s walk
from the centre of the capital, Thimphu. Wetter glaciated valleys occur a
little higher, for instance around Gangtey Gonpa, and it is these areas which
1992
Recent records of birds from Bhutan
59
are favoured by the wintering Black-necked Cranes. The Bumthang valley
trek passes from drier, open slopes, where Black-billed Magpie Pica pica is
common, into excellent Himalayan Birch Betula utilis forest with thick
bamboo understorey where Satyr Tragopan Tragopan satyra can be seen. Up
to the higher passes the slopes are clothed with East Himalayan Fir Abies
densa forest, under which grow various Rhododendron species, some of them
rare. Blood Pheasant Ithaginis cruentus is common here. On the Rudung La at
about 4,200 m one reaches the tree line where the vegetation is dominated by
luxuriant growth of dwarf rhododendrons. Open grassy slopes occur in the
vicinity of these more eastern passes, where Impeyan Pheasant Lophophorus
impejanus can usually be found feeding in the early morning. At higher
altitudes there are extensive alpine pastures seldom visited by western
ornithologists.
There follows an annotated list of the 56 most interesting species recorded
during the two visits. I have included records for Black-necked Crane, Wood
Snipe Gallinago nemoricola, Blyth’s Kingfisher Alcedo Hercules and Rufous¬
necked Hombill Aceros nipalensis which are listed by Collar and Andrew
(1988) in the ICBP World Checklist of Threatened Birds. A complete list of
the 235 species seen is included as an Appendix. The English and scientific
names of birds follow King et al. (1975), where possible. Dates in March
refer to 1986, and those in April/May refer to 1990.
ANNOTATED LIST OF SELECTED SPECIES
INDIAN POND HERON Ardeola grayii Singles at Phuntsholing on
1 1 March and at Geylegphug on 1 5 March are the first published records for
Bhutan, although the species has been seen by D. G. H. Mills (pers. comm.).
BLACK STORK Ciconia nigra Singles at Sarbhang on 15 March and
Geylegphug on 16 March. The only previous published records for Bhutan
are observations by P. Gole on the Manas and Sankosh Rivers (Scott 1989)
and at Bumdiling on 8 March 1991 (Chacko 1991).
COMMON PINTAIL Anas acuta One in the Paro valley on 21 March.
Previously recorded only by Pemberton (Ludlow and Kinnear 1937).
SPOT-BILLED DUCK A. poecilorhyncha One at Punakha on 7 March.
Apparently the first published record for Bhutan.
EURASIAN WIGEON A. penelope One at Punakha on 20 March.
Apparently the first published record for Bhutan.
COMMON MERGANSER Mergus merganser Three at Punakha and one at
Paro in March. The only previously published records for Bhutan are
observations by P. Gole at Bumdiling in February 1988, and on the Manas
and Sankosh Rivers (Scott 1989), although the species has been seen by
D. G. H. Mills (pers. comm.).
60
F. A. CLEMENTS
Forktail 7
ORIENTAL HONEY BUZZARD Pemis ptilorhyncus Singles at Geylegphug
on two dates in March. Apparently the first published record for Bhutan.
LESSER FISH-EAGLE Ichthyophaga humilis One near Geylegphug on
1 5 March. This appears to be the first published record for Bhutan.
LONG-LEGGED BUZZARD Buteo rufinus One near Paro (2,600 m) on
23 March, is the first definite record for Bhutan, although Baker (1922-
1930) mentions its occurrence in the country.
COLLARED FALCONET Microhierax caerulescens A pair seen copulating in
Sal forest near Geylegphug on 16 March. Previously mentioned for Bhutan
only by Blanford (1895), but the basis for this is not known.
NORTHERN HOBBY Falco subbuteo One at Ugyencholing on 5 May. The
first published record for Bhutan, although the species was seen in 1989 by
D. G. H. Mills (pers. comm.).
JAPANESE QUAIL Cotumix japonica A pair seen and heard calling at
Tangbi Lhakhang (2,800 m), Bumthang on 29 April; singles at Ugyencholing
(2,900 m) on 1 May and at Gangtey Gonpa (3,200 m) on 9 May; all
identified by voice. Ludlow and Kinnear (1937) found quail to be plentiful,
and breeding, but all, including a male collected at Damthang in the west,
were listed as Common Quail C. cotumix. Pemberton and Ludlow (in
Ludlow and Kinnear 1944) collected birds that were apparently intermediate
between the two species. The only previous record of C. japonica for Bhutan
is of one collected by F. M. Bailey on 5 July 1922. The records presented
here refer to birds in breeding habitat, although they could be migrants
returning to China.
SATYR TRAGOPAN Tragopan satyra Four males calling and a pair seen
below Phe-phe La (3,500 m) on 1 May; males calling at two sites in forest
between Ugyencholing and Phokphey (approx. 3,600 m) on 2 May. The
species extends east into Arunachal Pradesh (Ludlow and Kinnear 1944),
overlapping with Blyth’s Tragopan T. blythii in eastern Bhutan, contra
Gaston (1989).
IMPEYAN PHEASANT Lophophorus impejanus Common in forest and, in
the early morning, on grassy slopes around Phokphey (3,900 m) in May.
Records of this species, here found east of the Black Mountains, disagree
with information in Gaston (1989) that this mountain range separates
Impeyan Pheasant to the west from Sclater’s Monal Lophophorus sclateri in
the east. The latter species was mentioned by Ali (1977) as possibly
occurring in extreme eastern Bhutan. However, there are no definite records
for Bhutan.
BLACK-NECKED CRANE Grus nigricollis A flock of 77 on the valley floor
below Gangtey Gonpa (3,200 m) on 12 March; two at Jakar (2,800 m) on
14 March (Clements and Bradbear 1986). The subject of a number of other
studies (Saha 1980, Gole 1981a, 1981b and 1989, Khacher 1981, Dorji
1992
Recent records of birds from Bhutan
61
1987, Bishop 1989, Chacko 1991, Wollenhaupt 1991).
RED-WATTLED LAPWING Vanellus indicus Four at Sarbhang on
15 March, the first published record for Bhutan.
RIVER LAPWING V. duvaucelii Three at Wangdiphodrang on 12 March;
one at Geylegphug on 15 March; pair with chicks at Wangdiphodrang on
27 April and on 9 May. Regularly seen recently at Wangdiphodrang
(D. G. H. Mills pers. comm.) although the only previously published records
are observations by P. Gole on the Manas and Sankosh Rivers (Scott 1989)
and mention of its occurrence in Bhutan by Ali and Ripley (1983).
LONG-BILLED PLOVER Charadrius placidus Three along river towards
Punakha on 26 April. Previously recorded only by Ludlow and Kinnear
(1937), in October.
WOOD SNIPE Gallinago nemoricola One on a forest stream below Dochhu
La (approx. 2,800 m) on 12 and 24 March. Previously collected on the Cheli
La on 26 June 1922 by F. M. Bailey (Ludlow and Kinnear 1944), and on the
Dib La on 10 September 1934 by Ludlow (Ludlow and Kinnear 1937).
Inskipp and Inskipp (1986) state that, in Nepal, it is less common than
previously.
COLLARED DOVE Streptopelia decaocto Many seen at Phuntsholing on
1 1 March, the first published record for Bhutan.
ROSE-RINGED PARAKEET Psittacula krameri Four at Phuntsholing on
1 1 March and at least ten at Geylegphug on 1 6 March, the first published
records for Bhutan.
COMMON HAWK-CUCKOO Cuculus varius Commonly heard between
Phuntsholing and Paro in May. Previously mentioned for Bhutan only by Ali
and Ripley (1983), although the species has been recorded commonly by
D. G. H. Mills (pers. comm.).
ASIAN PALM-SWIFT Cypsiurus balasiensis Many seen at Geylegphug on
1 5 and 1 6 March, the first published records for Bhutan.
BLYTH’S KINGFISHER Alcedo Hercules One below Honey Rocks (approx.
900 m) on 18 March. Listed as occurring in Bhutan by Ali and Ripley (1983)
and therefore presumably collected in the 1960s or 1970s. There are no
known recent records of this species anywhere else in the Himalayas, apart
from one bird seen in Nepal (Inskipp and Inskipp 1991). Inskipp (1989)
mentioned it as one of the few forest species at risk which, in Nepal, occurs
only outside protected areas.
RUFOUS-NECKED HORNBILL Aceros nipalensis Two above Honey
Rocks (approx. 1,200 m) on 17 March. The species is very poorly known in
the Himalayas; the only previous mentions for Bhutan are by Ripley (1982)
and Ali and Ripley (1983).
WREATHED HORNBILL Rhyticeros undulatus Two at Sarbhang on
62
F. A. CLEMENTS
Forktail 7
15 March. Previously mentioned for Bhutan only by Ripley (1982) and Ali
and Ripley (1983).
INDIAN PIED HORNBILL Anthracoceros albirostris Male at nest near
Geylegphug on 15 and 16 March. Previously mentioned for Bhutan only by
Ripley (1982) and Ali and Ripley (1983).
COPPERSMITH BARBET Megalaima haemacephala One at Phuntsholing
on 11 March. Previously mentioned for Bhutan only by Ali and Ripley
(1983).
YELLOW-RUMPED HONEYGUIDE Indicator xanthonotus One east of
Wangdiphodrang, and one near Nobding on 12 March; at least five between
Jakar and Geylegphug on 14 March; two at Honey Rocks on 17 March; one
at Shemgang and four below Tongsa on 19 March; three between Tongsa
and Thimphu on 20 March. Surprisingly this species was not recorded by
Ludlow and Kinnear (1937), although it seems to be easier to see in Bhutan
than in Nepal (Inskipp and Inskipp 1986). It was studied at Honey Rocks by
Hussain and Ali (1984).
PLAIN MARTIN Riparia paludicola One at over 2,800 m above Chendebji
chorten on 8 May. Apparendy the first published record for Bhutan.
LARGE CUCKOO-SHRIKE Coracina novaehollandiae Two at Geylegphug
on 1 6 March, the first published record for Bhutan.
GOLDEN-FRONTED LEAFBIRD Chloropsis aurifrons Two in Sal forest
near Geylegphug on 10 March. This appears to be the first published record
for Bhutan (although it has been seen by D. G. H. Mills, pers. comm.), but
presumably the species will be found more commonly if more effort is made
to visit suitable habitat.
BLACK-HOODED ORIOLE Oriolus xanthomus Two at Geylegphug on
16 March. Previously mentioned for Bhutan only by Ali and Ripley (1983).
EURASIAN GOLDEN ORIOLE O. oriolus One near Wangdiphodrang on
26 April. This appears to be the first published record for Bhutan although it
has been seen near this site previously by D. G. H. Mills (pers. comm.).
RUFOUS TREEPIE Dendrocitta vagabunda Four at Geylegphug on
1 5 March. Apparendy the first published record for Bhutan.
HOUSE CROW Corvus splendens A few seen at Phuntsholing in March.
Previously mentioned for Bhutan only by Ali and Ripley (1983).
WALLCREEPER Tichodroma muraria Frequent along mid-altitude river
beds, particularly between Thimphu and Paro, in March. Gaston (1989)
found this species abundant during the winter, but it was not recorded in
summer by Ludlow and Kinnear (1937).
WHI1 E-NAPED YUHINA Yuhina bakeri Two in forest near Gedu
(approx. 1,500 m) on 10 March. Only one previous record from Bhutan -
1992
Recent records of birds from Bhutan
63
from Batase, Shemgang district (Abdulali 1983). Apparently thinly
distributed through the sub-tropical hill forest zone of the eastern Himalayas,
and is mentioned by Inskipp (1989) as one of the few forest species at risk
which, in Nepal, occurs only outside protected areas.
INDIAN BLUE ROBIN Erithacus brunneus Frequent in lower parts of the
trek and at Motithang, Thimphu in May. Ludlow found the species on only
one occasion (Ludlow and Kinnear 1937).
BLACK-BACKED FORKTAIL Enicurus immaculatus One above
Geylegphug on 14 March. Mentioned for Bhutan only by Ripley (1982).
INDIAN ROBIN Saxicoloides fulicata One at Phuntsholing on 1 1 March.
This appears to be the first published record for Bhutan.
GREY-CHEEKED WARBLER Seicercus poliogenys One near Gangtey
Gonpa (3,400 m) on 9 May. Collected in various localities in Bhutan by
Ludlow (Ludlow and Kinnear 1937 and 1944) and Ali and Ripley (Abdulali
1986), but rarely recorded in Nepal (Inskipp and Inskipp 1991) or Sikkim
(Ali 1962).
YELLOW-BELLIED WARBLER Abroscopus superciliaris Two below Honey
Rocks (approx. 900 m) on 17 March. Only one previous record for Bhutan -
from Deothang in the east (Abdulali 1986).
ULTRAMARINE FLYCATCHER Ficedula superciliaris One near Bunakha
on 24 April and a few on trek especially near rivers in May. Described by
Ludlow and Kinnear (1937) as rather scarce, so it is probable that the fairly
good numbers seen in May, not always in forest, were migrants.
BLUE-THROATED FLYCATCHER Cyomis rubeculoides One below Gedu
(1,500 m) on 24 April. Few previous records for Bhutan, Ludlow and
Kinnear (1937) obtaining only two.
PYGMY BLUE FLYCATCHER Muscicapella hodgsoni One below Dochhu
La (approx. 2,400 m) on 24 March. Previously mentioned for Bhutan only
by Ali and Ripley (1983).
YELLOW-HOODED WAGTAIL Motacilla citreola Adult male of race
M.c.citreola at Ugyencholing (2,900 m), in wet grassland near river on 5 and
6 May. This is the first published record for Bhutan, but the species would be
expected to occur at lower elevations in winter.
BROWN SHRIKE Lamus cristatus Singles (probably the same individual) at
Thimphu on 5 and 6 March. Previously mentioned for Bhutan only by Ali
and Ripley (1983), although seen previously by D. G. H. Mills (pers.
comm.). A likely migrant, though there may be a wintering population.
CHESTNUT-TAILED START .TNG Stumus malabaricus At least ten seen
near Geylegphug on 16 March. Previously mentioned for Bhutan only by Ali
and Ripley (1983).
64
F. A. CLEMENTS
Forktail 7
ASIAN PIED STARLING S. contra Many at Phuntsholing and Geylegphug
in March, the first published records for Bhutan.
BRAMBLING Fringilla montifringilla One at Ugyencholing (2,900 m) on
6 May. This represents a considerable eastwards extension of the species’
known wintering range in the Himalayas, and is the first record for Bhutan.
CRIMSON ROSEFINCH Carpodacus rubescens Two in forest near the
Yutong La (3,700 m) on 13 March. Ludlow and Kinnear (1937) describe
this species as rare in conifer and birch forests of eastern Bhutan. More
recently recorded by D. G. H. Mills (pers. comm.) in Bumthang.
THREE-BANDED ROSEFINCH C. trifasciatus Three at Jakar (2,800 m)
on 13 March. These are the first recorded for Bhutan, and for the Indian
subcontinent.
A small party of two females and one male was observed in fields by the
Chamka Chu river on the edge of Jakar village. A large rosefinch, the male
bright, with substantial amounts of white around head and on closed wing.
Females duller with no red, though white in wing noticeable, and bufiy-
orange underparts reminiscent of Brambling. Both sexes with white belly.
Male’s face and throat streaked and at a distance forming a pale patch
extending into white supercilium. Crown, nape and back crimson. Wings
dark but showing conspicuous pale edgings, particularly to the tertials. Broad
white band along edge of back. Pale buff supercilium noticed on one female,
and buff edgings to wing feathers. Both sexes showed heavy bill, noticeably
pale in male. Watched for about five minutes down to 30 m before they flew
off into mist and light rain.
It is possible that the species winters in small numbers either in Arunachal
Pradesh or in some of the higher, drier valleys of central and eastern Bhutan,
which are not very far from wintering areas in the Pome district of Xizang
province (Ali and Ripley 1983; Meyer de Schauensee, 1984).
GOLD-NAPED FINCH Pyrrhoplectes epauletta A single below the Yutong
La (approx. 3,600 m) on 8 May (R. Watson, pers. comm.).
GREY-HEADED BULLFINCH P. erythaca Six on the Dochhu La (3,000
m) on 10 May. There appear to be few other recent records of this species in
the Himalayas. Ludlow saw only three in eastern Bhutan, and describes their
real home as lying further east (Ludlow and Kinnear 1944).
GREY-NECKED BUNTING Emberiza buchanani One on very dry slopes
below Mesithang (approx. 2,700 m) on 7 May. This is the first published
record for Bhutan, and seems to relate to a wandering individual much
further east than is usual.
Remarkably, the above list includes 22 species for which this paper is the first
published record of their occurrence in Bhutan. In most cases this must be
more a reflection of the paucity of published records, even from recent visits
by birdwatchers, than an indication of the scarcity of the species. This is
1992
Recent records of birds from Bhutan
65
certainly so for the first group of seven species, Indian Pond Heron Ardeola
grayii. Red-wattled Lapwing Vanellus indicus, Collared Dove Streptopelia
decaocto, Rose-ringed Parakeet Psittacula krameri, Rufous Treepie
Dendrocitta vagabunda, Indian Robin Saxicoloides fulicata and Asian Pied
Starling Stumus contra which were all recorded in the narrow lowland strip of
southern Bhutan where western birdwatchers have seldom spent time. None
of these species requires primary habitat, occurring in agricultural land or
around habitation, and all are common and widespread in adjacent Assam.
Four lowland species which frequent lightly wooded country were recorded
for the first time: Oriental Honey Buzzard Pemis ptilorhyncus, Lesser Fish-
eagle Ichthyophaga humilis. Northern Hobby Falco subbuteo and Asian Palm-
swift Cypsiurus balasiensis. The swift was breeding in Areca palms planted
around fields, and the single fish-eagle was seen along a river on the edge of
remnant Sal forest. There are new records of two species which may be
expected in Sal forest itself; Large Cuckoo-shrike Coracina novaehollandiae
and Golden-fronted Leafbird Chloropsis aurifrons.
Two ducks which apparently have not before been recorded in Bhutan,
Spot-billed Duck Anas poecilorhyncha and Eurasian Wigeon A. penelope, were
seen at the confluence of the Mo Chu and Pho Chu rivers at Punakha in
March. Both are presumed to be migrants, as is the first Yellow-hooded
Wagtail Motacilla citreola in the Tang valley in May. Eurasian Golden Oriole
Oriolus oriolus was in a valley with great potential for migrants, but has been
seen there previously (D. G. H. Mills pers. comm.) and could breed. The
first Plain Martin Riparia paludicola to be recorded for Bhutan appears to be a
wandering individual since, at over 2,800 m, it was not in a suitable location
for breeding. First records for Brambling FringiUa montifringilla and Grey¬
necked Bunting Emberiza buchanani also presumably refer to wanderers, and
apparently extend eastwards the known non-breeding range of both species
in the Himalayas. It remains to be seen whether Three-banded Rosefinch
Carpodacus trifasciatus will be confirmed as a winter visitor to Bhutan, or
whether this record refers to vagrancy.
Four other species recorded bear further mention owing to their scarcity
elsewhere in the Himalayas. Sightings of significant numbers of wintering
Black-necked Cranes in 1986 rekindled study interest in this charismatic bird
(Chacko 1991), and from late October through to early March, this species is
easily accessible to visiting birdwatchers. The other three species. Rufous¬
necked Hombill Aceros nipalensis, White-naped Yuhina Yuhina bakeri and
Blyth’s Kingfisher were found in subtropical hill forest, which has seldom
been visited by other observers. Interestingly, Golden Langurs Presbytis geei
are also readily seen in this habitat in central Bhutan. There are huge areas of
this species-rich forest type still remaining in Bhutan, and this author has
been able only to touch on its potential by spending very small amounts of
time in accessible parts close to roads. Inskipp and Inskipp (1986), and
Inskipp (1989) have drawn attention to the need to protect similar forest
types in Nepal, which are far less extensive there and which are severely
threatened. The first step in taking conservation measures to protect such a
66
F. A. CLEMENTS
Forktail 7
resource is to gain information on the species which occur there, and future
visitors to Bhutan are encouraged to spend time in sub-tropical hill forest,
and to make available their records of which species are seen.
Bhutan’s forests are spell-binding in their extent and diversity. If visiting
birdwatchers make an effort to go to little known areas and to publish records
of bird species found there, then they will be making a significant
contribution to Himalayan ornithology, and be assisting the Royal
Government of Bhutan in achieving its aims of conserving this rare resource.
I would like to thank the Royal Government of Bhutan firstly for requesting the services of my
wife, Nicola Bradbear, and for providing assistance with transport in 1 986, and secondly for their
friendly cooperation and great assistance given to visiting “Naturetrek” groups. Thanks go too to
David Mills and his company “Naturetrek” for using my services as a tour leader, and for sharing
his knowledge of Bhutan’s birds. Tim Inskipp has given me continual encouragement to produce
this paper, and enormous help with historical references and species status throughout its
preparation. I am grateful to Tony Schilling for his company and for helping me to learn a little of
the Himalayan flora, and to Nick Williams for reading and commenting on drafts of this paper.
Finally, I would like to thank Nicola without whom the first trip would not have been possible,
and certainly not as enjoyable, and for supporting my second visit alone when she would have
liked to come too.
REFERENCES
Abdulali, H. (1969, 1971-1976, 1980-1983, 1985-1988) A catalogue of the birds in the collection
of the Bombay Natural History Society. Parts 4, 9, 11-19, 22-33. J. Bombay Nat. Hist. Soc. 66,
68-73, 77-80, 82-85.
Ali, S. (1962) The birds of Sikkim. New Delhi: Oxford University Press.
Ali, S. (1977) Field guide to the birds of the eastern Himalayas. Delhi: Oxford University Press.
Ali, S. and Ripley, S. D. (1983) Handbook of the birds of India and Pakistan. Compact edition.
Bombay: Oxford University Press.
Baker, E. C. S. (1922-1930) Fauna of British India: Birds. 2nd edition 8 vols. London: Taylor and
Francis.
Bishop, M.-A. (1989) Results of the first annual Black-necked Crane count in Bhutan, China and
Vietnam. Gainsville: Dept, of Wildlife and Range Sciences, University of Florida. Unpublished.
Blanford, W. T. (1895) The fauna of British India, including Ceylon and Burma. Birds, 3. London:
Taylor and Francis.
Chacko, R. T. (1991) Blacknecked Cranes in Bhutan, winter study, February-March 1991.
Unpublished.
Cheng Tso-hsin (1987) A synopsis of the avifauna of China. Beijing: Science Press.
Clements, F. A. and Bradbear, N. J. (1986) Status of wintering Black-necked Crane Grus
nigricoUis in Bhutan. Forktail 2: 103-107.
Collar, N. J. and Andrew, P. (1988) Birds to watch: the ICBP world checklist of threatened birds.
ICBP Technical Publication No. 8.
Dorji, P. J. (1987) Bhutan’s black-necked cranes. Oryx 21: 71-72.
Gaston, A. J. (1989) Black-necked Cranes and other birds in Bhutan in winter. Bull. Oriental Bird
Club 10: 9-12.
Gole, P. (1981a) Crane study in Bhutan. WWF India Newsletter 37: 14.
Gole, P. (1981b) Status survey of the Blacknecked Crane wintering in Bhutan. Unpublished.
Gole, P. (1989) Cranes of the cloud kingdom; exploring an ideal man and bird relationship. Pune:
Ecological Society.
Hussain, S. A. and Ah, S. (1984) Some notes on the ecology and status of the Orangerumped
Honeyguide Indicator xanthonotus in the Himalayas. J. Bombay Nat. Hist. Soc. 80: 564-574.
1992
Recent records of birds from Bhutan
67
Inskipp, C. (1989) Nepal’s forest birds: their status and conservation. ICBP Monograph No. 4.
Inskipp, C. and Inskipp, T. P. (1986) Some important birds and forests in Nepal. Forktail 1: 53-
64.
Inskipp, C. and Inskipp, T. P. (1991) A guide to the birds of Nepal. 2nd edition. London:
Christopher Helm.
Khacher, L. (1981) Conservation needs of Black-necked Cranes of Bhutan, Arunachal Pradesh
and Ladakh. Pp. 204-211 in J. C. Lewis and H. Masatomi, eds., Crane research around the
world.
King, B. F., Dickinson, E. C. and Woodcock, M. W. (1975) A field guide to the birds of South-East
Asia. London: Collins.
Ludlow, F. and Kinnear, N. B. (1937) The birds of Bhutan and adjacent territories of Sikkim and
Tibet. Ibis 14(1): 1-46, 249-293, 467-504.
Ludlow, F. and Kinnear, N. B. (1944) The birds of south-eastern Tibet. Ibis 86: 43-86, 176-208,
348-389.
Meyer de Schauensee, R. (1984) The birds of China. Oxford: Oxford University Press.
Pemberton, R. B. (1865) Report on Bootan. Pp. 1 51-273 in Political missions to Bootan.
Ripley, S. D. (1973) Some 600 species of birds abound in small Bhutan. Smithsonian 4(9): 80-87.
Ripley, S. D. (1982) Synopsis of the birds of India and Pakistan. Bombay: Bombay Natural History
Society.
Saha, S. S. (1980) Blacknecked Crane in Bhutan and Arunachal Pradesh - a survey report for
January-February 1978. J. Bombay Nat. Hist. Soc. 77: 326-328.
Sargent, C. (1985) The forests of Bhutan. Ambio 14: 75-80.
Scott, D. A. (1989) A directory of Asian wetlands. Gland: IUCN.
Wollenhaupt, H. (1991) Report of a field trip to the wintering area of the Black-necked Crane (Grus
nigricollis) in the Phobjika region. Field Doc. No. 15, FO.DP/BHU/85/016. Thimphu: Ministry
of Agriculture, Dept, of Forests and FAO.
Dr Andy Clements, English Nature South Region, Foxhold House, Crookham Common, Newbury, Berkshire
RG15 8EL
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Forktail 7
APPENDIX
COMPLETE LIST OF BIRD SPECIES RECORDED IN BHUTAN DURING
MARCH 1986 AND APRIL/MAY 1990
The first column of digits refers to the year in which the observations were made: 1986 or 1990 or
both. The next column of digits refers to locations which are numbered approximately from west
to east, and which appear as named locations in the accompanying map of Bhutan (see figure).
The passes (ending with La) usually include forested slopes on either side and may therefore
represent considerable altitude spread. Locations 10-12 were visited only in 1986, and the
trekking locations 15-18 only in 1990. The next column of capital letters refers to broad habitat
types and the final column gives some indication of abundance.
Locations:
1 Phuntsholing
2 Gedu - Bunakha
3 Paro valley, including T aksang
4 Thimphu valley
5 Dochhu La
6 Wangdiphodrang - Punakha
7 Popshika valley and Gangtey Gonpa
8 Pele La and Chendebji chorten
9 Tongsa
10 Tongsa - Shemgang
1 1 Honey Rocks
1 2 Geylegphug - Sarbhang
13 Yutong La
1 4 Gyetsa - Jakar (Bumthang)
15 Tangbi Lhakang - Nga Lhakang
1 6 Phe-phe La
1 7 Phokphey and Rudung La
1 8 Ugyenchoiing - Mesithang - Jakar
u Ubiquitous at favourable altitudes
Habitat:
A Forest; sub-tropical deciduous
B Forest; sub-tropical evergreen
C Forest; warm temperate evergreen
D Forest; cool temperate evergreen
E Forest; dry coniferous (often secondary)
F Farmland in sub-tropical areas
G Farmland in temperate areas
H Habitation
I Rivers
J Upland mire
Abundance:
i Abundant
ii Common
iii . Fairly common
iv Small numbers
v One sighting only
Figure. Bhutan, showing locations mentioned in text.
1992
Recent records of birds from Bhutan
69
70
F. A. CLEMENTS
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1992
Recent records of birds from Bhutan
71
72
F. A. CLEMENTS
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1992
Recent records of birds from Bhutan
73
FORKTAIL 7 (1992j: 75-89
An Ornithological Survey in Eastern
Arunachal Pradesh, India
MADHUSUDAN KATTI, PRATAP SINGH,
NIMA MANJREKAR, DIWAKAR SHARMA
and SHOMITA MUKHERJEE
The rich avifauna of the eastern Himalayas of India has not been well studied. We present results
from a three month survey of three areas in eastern Arunachal Pradesh, north-eastern India. 215
species were recorded and are listed in an Appendix. The general distributional patterns of the
avifauna are described. Finally, current human-induced threats to the forests and the conservation
oudook for birds are discussed.
The Eastern Himalayas are known to contain an extraordinary diversity of
bird species (Ali and Ripley 1983), but apart from a general summary (Ali
1978) there are very few detailed published accounts of its avifauna (Ali and
Ripley 1948, Ripley et al. 1991). From January to April 1990, we conducted
a wildlife survey in three eastern districts of Arunachal Pradesh. The survey,
conducted on behalf of the Wildlife Institute of India, was primarily aimed at
determining the distribution of Takin Budorcas taxicolor, and a more general
documentation of mammal and bird species occurring in the areas. The
survey covered several locations in and around three newly established
protected areas: Mouling National Park in Siang Valley, Mehao Wildlife
Sanctuary in Dibang Valley district and Kamlang Wildlife Sanctuary in Lohit
district (Figure 1). Our survey represents one of the first attempts to
Figure 1. Map of Arunachal Pradesh, north-eastern India, showing the routes taken by the
Wildlife Institute of India Survey January - April 1990.
76
M. KATTI ei al.
Forktail 7
document the diverse fauna of these areas. We found significant and
increasing pressures on these forests from logging interests as well as the
needs of indigenous tribal populations that are growing rapidly. A complete
account of the expedition and our findings are reported in Katti et al. (1990).
Here we present our ornithological observations.
METHODS
The three main survey areas are shown in detail in Figures 2a (Siang Valley),
2b (Mehao) and 2c (Kamlang). In Siang Valley, we followed the west bank
of the Siang river. The total survey time in each of the areas was as follows:
Siang Valley: 22 days
Mehao Wildlife Sanctuary: 20 days
Kamlang Wildlife Sanctuary: 5 days
A more detailed description of the survey routes and procedures can be
found in Katti et al. (1990). Birds were observed during foot-transects along
regular paths or hunting trails. A daily log was maintained of all the birds
observed throughout the survey. This consisted primarily of a list of species
seen, the altitude and habitat in which the sighting was made, and an
abundance ranking. In addition, in Mehao W.L.S., we conducted mist-
netting at two localities, for a total of 177 mist-net hours. Four mist-nets
were opened from dawn till afternoon, when bird activity declined
considerably. Logistical problems, especially due to the frequent rainfall
precluded more extensive use of mist-netting. In this account we follow King
et al. (1975) and Ali and Ripley (1983) for nomenclature.
DISTRIBUTIONAL PATTERNS
We recorded a total of 215 species belonging to 46 families in the three
survey areas. These are listed in the Appendix. The family Timaliidae
appears to be the most dominant (44 species) followed by the Turdidae (20
species) and the Sylviidae (19 species).
We recorded 165 species in Mehao Wildlife Sanctuary, 1 16 in Siang Valley
and 1 02 in Kamlang Wildlife Sanctuary. These differences include a bias due
to unequal sampling periods in each of the three areas. Yet, there are
substantial differences in species composition. The three regions cover rather
distinct geographical zones separated by major rivers, which mark
distributional boundaries for many species (Ali and Ripley 1983). Siang
Valley represents the area to the west of Siang river, Mehao lies in the
Mishmi hills between the Siang and Lohit rivers, while Kamlang lies south of
the Lohit river, and just north of Namdapha National Park (Ripley et al.
1991). In Siang Valley, the survey focussed on the interior valley, well away
from the outer ranges, and closer to the Tibetan plateau. Mehao Wildlife
1992
Ornithological survey in eastern Arunachal Pradesh
77
Figure 2. Maps of the three main
survey areas in eastern Arunachal
Pradesh.
a. Siang Valley;
b. Mehao Wildlife Sanctuary;
c. Kamleng Wildlife Sanctuary.
78
M. KATTI ei at.
Forktail 7
Sanctuary spans the outermost ridges of the Mishmi hills and extends to the
edge of the Assam plains. Both these areas lie north of the Brahmaputra
basin, in the part of the Himalayan range that runs in a general east-west
direction. In contrast, Kamlang lies along the south-east flank of the
Brahmaputra basin, and the mountain range here runs southwards into
Burma. These geographical differences lead to differences in the amount of
precipitation, with Kamlang receiving the greatest amount, followed by
Mehao, while interior Siang valley receives the least. Vegetational differences
between the three areas are yet to be quantified, but to our eyes they
appeared quite distinct. Only 55 of the species recorded occurred in all the
three areas, while a number of species were recorded in one area only: 21 in
Siang, 64 in Mehao and 17 in Kamlang. This suggests considerable species
diversity in the area as a whole, but the pattern needs to be substantiated
through more detailed studies.
An important factor affecting bird observation is the density of vegetation,
especially in the understorey, which reduces bird detectability considerably.
The brief amount of mist-netting that we were able to do (177 mist-net
hours) resulted in five new species being added to the list (marked with an *
in the Appendix), emphasizing the utility of mist-net sampling for
understorey species.
The altitudinal distribution of the avifauna is shown in Figure 3. There
appears to be a sharp decline in number of species as one goes up the
mountainside. Most species (174) occur below 1,000 m, and only 12 span
the entire altitudinal range. The mist-net samples at Mehao also show a
similar pattern: at Sally Lake (500 m), 75 mist-net-hours yielded 45 birds of
12 species, whereas at Mehao Lake (1,600 m), 102 mist-net-hours resulted
in a sample of only 10 birds of 3 species. The survey was carried out during
winter, when most of the birds move down to lower altitudes. We observed
snow at altitudes of 2,300 m and above. Many of the species recorded are
thought to breed at higher altitudes during the summer, while many others
Figure 3. Altitudinal distribution of bird species in eastern Arunachal Pradesh, India. January -
April 1990. This is the pattern during winters.
1992
Ornithological survey in eastern Arunachal Pradesh
79
Table 1. Distribution of bird species among the major habitat types in eastern Arunachal
Pradesh. January - April 1990.
Habitat Type Exclusive Species Total Species
migrate out of the area during the winter (Ali and Ripley 1983). Thus the
year-round avifaunal diversity is undoubtedly much higher than recorded in
this survey, and the summer distribution will likely be very different. These
results must therefore be viewed as preliminary.
A simple classification of habitat types allows a preliminary examination of
some of the ecological patterns in species distributions (Table 1). Mature (or
primary) tropical forest (103 species), and secondary forest or edge (111
species) show the greatest species diversity. These habitats are also in the
lower altitudinal zone (below 1,500 m). By contrast, temperate forest and the
higher altitude (over 2,000 m) rhododendron / bamboo scrub had the lowest
diversity (22 species each). Further, over half the observed species (120) were
seen in one habitat only, suggesting a high degree of specialization in the
avifauna. An additional 8 species were seen only in mature forest (tropical or
temperate). Thus, 76 species are restricted to primary, relatively undisturbed
habitats (1, 2, 4 and 6) only, while another 43 species tolerate some level of
disturbance, occurring also in secondary scrub. In contrast, only 1 1 species
occur in more than two distinct habitats. This suggests that the species
assemblages of forested versus deforested habitats are quite distinct, and the
latter species are expected to expand in range and abundance if current
deforestation trends continue.
A surprising feature was the absence of any green pigeons Treron and only
two sightings of frugivorous columbids: Mountain Imperial Pigeon Ducula
badia and Ashy Wood-pigeon Columba pidchricollis. The same holds true for
hombills: only two species were recorded in 5 sightings. This paucity of
fiugivores was perhaps due to the winter being a lean season for fruit, and
these fiugivores may have moved to other areas. The movements of these
birds is not very well known and many columbids are thought to be
“nomadic wanderers” (Ali and Ripley 1983).
Finally, we discuss two noteworthy records:
Wedge-billed Wren-Babbler Sphenocichla humei: This is one of the least
known Indian species, and has been collected only three times in this
century, in 1905 by Stevens (1914), in 1938 by lightfoot (1940) and in 1988
by Ripley et al. (1991). Ripley et al. (1991) state that their efforts to find free-
ranging birds in the forest failed. We observed two of these birds on
14 February 1990, on Abango ridge in Mehao Wildlife Sanctuary at an
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altitude of 1,200 m (see Figure 2b). They were foraging in bamboo
understorey of mature tropical forest (about 2 feet above the ground), as part
of a mixed flock with several Coral-billed Scimitar-Babblers Pomatorhinus
ferruginosus and a pair of Red-faced Liocichlas Liocichla phoenicea. The thick
conical bills and scaly appearance make this species quite distinctive and we
were also able to observe them for many minutes, allowing us to confirm
their identity.
White-throated Dipper Cinclus cinclus: We observed a single individual on
the bank of Siang river below Pango village (see Figure 2a), at an altitude of
400 m for three consecutive days. This is a new low altitude record for this
species in the Indian subcontinent, as it has never been recorded below
2,000 m (Ali and Ripley 1983).
CONSERVATION OUTLOOK
The two main pressures affecting bird populations in Arunachal Pradesh are
habitat destruction and hunting. This region has the highest forest cover of
any state in India, supposedly over 60% (F. S. I. 1989), yet, the pace of
logging (largely selective, but also some clear-cutting) is quite alarming.
Selective logging takes place both legally (in Reserve Forests) and illegally,
even inside Wildlife Sanctuaries. Logging is particularly severe in low altitude
areas close to roads. More inaccessible forests of higher altitudes are safe for
the moment, but with the high level of deforestation in the rest of India, and
the pace of development activities such as road construction in Arunachal
Pradesh, they may not remain so for long. Such development activities are
also bringing in people from outside the state who put additional pressure on
the forests through fuelwood collection and hunting.
A second factor of habitat destruction is native agriculture. The many tribal
populations that inhabit Arunachal’s forests subsist largely on shifting
cultivation (called jhum ) and hunting. As tribal populations have nearly
doubled in the last two decades, the intensity of forest clearing for jhuming
has increased even as the fallow period in the jhum cycle has reduced from 30
years to about 5 years (Ramakrishnan et al. 1981). Most of the tribal
populations in eastern Arunachal Pradesh are restricted to areas below
1,200 m. Thus, the activities of tribals affect the lower tropical forests most.
Many species of vertebrates are hunted for food in Arunachal Pradesh.
This hunting is largely by the native tribal populations and is perhaps not a
major threat for most birds. However, hunting pressures were found to be
particularly severe in foothill forests near villages, particularly with the
increase in non-tribal populations accompanying road and other construction
activities. Larger birds such as hombills, pigeons, pheasants and waterfowl
are the worst hit by hunting. This is at least part of the reason for the paucity
of larger ffugivores and pheasants in our observations.
All the above pressures are most intense in the forests below 1,000 m. We
have shown above that it is these very habitats that are the richest in bird
species diversity. The lower forests are also known to be very rich in
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Ornithological survey in eastern Arunachal Pradesh
81
mammalian, particularly primate (personal observations), and plant species
diversity (Rau 1974, Sahni 1981, Jain 1982). The richest habitats in
Arunachal are thus also the most threatened. Since the lower forests also
support many altitudinal migrants during the winter months, loss of these
habitats is likely to also severely threaten the higher altitude avifaunas.
Current conservation measures are quite inadequate in dealing with these
pressures, and there is every need to increase research and protection efforts
if loss of some species is to be prevented in the near future.
We are grateful to G. S. Thapliyal, Chief Wildlife Warden, Arunachal Pradesh and staff of the
Arunachal Forest Department for their cooperation and logistical assistance during the survey.
We are also grateful to H. S. Panwar, Director, Wildlife Institute of India for sponsoring the
survey and for institutional support. Finally, we thank A. J. T. Johnsingh, G. S. Rawat and
W. A. Rodgers of the Wildlife Institute of India for their encouragement and critical contribution
to the survey. Trevor Price made valuable comments on the manuscript.
REFERENCES
Ali, S. (1978) Field guide to the birds of the Eastern Himalayas. Bombay: Oxford University Press.
Ali, S. and Ripley, S.D. (1948) The birds of the Mishmi hills. J. Bombay Nat. Hist. Soc. 48: 1-37.
Ali, S. and Ripley, S. D (1983) Handbook of the birds of India and Pakistan. Compact edition
Bombay: Bombay Natural History Society and Oxford University Press.
Forest Survey of India (1989). The state of forests report. Dehradun: Forest Survey of India,
Government of India, Ministry of Environment and Forests.
Jain, S. K. (1982) Botany of Eastern Himalayas, pp. 194-200. In G. S. Paliwal (ed.), The
vegetaiional wealth of the Himalayas. Delhi: Puja Publications.
Katti, M., Manjrekar, N., Mukherjee, S. and Sharma, D. (1990) A report on wildlife survey in
Arunachal Pradesh with special reference to Takin. Unpublished Report. Dehradun: Wildlife
Institute of India.
King, B. F., Dickinson, E. C. and Woodcock, M. W. (1975) A field guide to the birds of South-East
Asia. London: Collins.
Lightfoot, G. S. (1940) On the occurrence of Hume’s Wedge-billed Wren ( Spehocichla humei
Mandelli) in the Aka Hills, Assam. J. Bombay Nat. Hist. Soc. 41: 418-420
Ramakrishnan, P. S., Toky, O. P., Mishra, B. K. and Saxena, K. G. (1981) Slash and bum
agriculture in north-eastern India. In H. A. Mooney, T. M. Bonnicksen, N. L. Christensen, J.
E. Lotan and W. A. Reiners, eds. Fire regimes and ecosystems. USDA Forest Service General
Technical Report WO - 26.
Rau , M. A. (1974) Vegetation and phytogeography of the Himalaya. Pp. 247-275 in M. S. Mani,
ed.. Ecology and biogeography in India. The Hague: Dr. W. Junk Publishers.
Ripley, S. D., Saha, S. S., and Beehler, B.M. (1991) Notes on birds from the Upper Noa Dihing,
Arunachal Pradesh, Northeastern India. Bull. Brit. Om. Club 1 1 1 (1): 19-28.
Sahni, K. C. (1981) Botanical panorama of the eastern Himalaya. Pp. 32-49 in J. S. Lall, and A.
D. Moddie, eds., The Himalaya - aspects of change. New Delhi: Oxford University Press.
Stevens, H. (1914) Notes on the birds of upper Assam. J. Bombay Nat. Hist. Soc. 23:234-268.
Madhusudan Katti, Wildlife Institute of India, P. O. New Forest, Dehradun 248006 (U.P.), India .
Present address and address for correspondence: Department of Biology, 01 1 6, University of California,
San Diego, La Jolla CA 92093 USA.
Pratap Singh, C/O Chief Wildlife Warden, Arunachal Pradesh Forest Department, Itanagar, Arunachal
Pradesh, India.
Nima Manjrekar, Diwakar Sharma and Shomita Mukherjee, Wildlife Institute of India, P.O. New
Forest, Dehradun 248006 (U.P.), India.
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APPENDIX
ANNOTATED CHECKLIST OF BIRDS SEEN IN THREE
AREAS OF EASTERN ARUNACHAL PRADESH,
NORTH-EASTERN INDIA. January - April 1990.
ABUNDANCE RANKING ALTITUDE HABITAT
SPECIES SLANG MEHAO KAMLENG (metres) (see codes)
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HABITAT CODES 1 - Primary forest, Tropical; 2 - Primary forest, Temperate; 3 - Secondary
forest / edge; 4 - Rhododendron / Bamboo scrub; 5 - Jhum / Agriculture / Habitation; 6 - Water
body.
ABUNDANCE RANKING (# sightings) 1 - one; 2 - two, three; 3 - four to ten; 4 - ten plus;
* - These species were recorded only through mist-netting. Altitude ranges are based on our observations.
FORKTAIL 7 (1992): 91-124
The Birds of
Shuangtaizihekou National Nature
Reserve, Liaoning Province, P.R. China
MARK A. BRAZIL
The Shuangtaizihekou NNR was established in 1985. Situated at the mouth of the River
Shuangtaizi, it covers some 80,000 ha and holds important populations of Red-crowned Crane
Grus japonensis, Saunders’s Gull Larus saundersi and Reed Parrotbill Paradoxomis heudei. This
paper describes the physical features of the reserve, discusses its ornithological importance and
provides an annotated checklist of the 241 species recorded to date.
INTRODUCTION
Location
The Shuangtaizihekou National Nature Reserve (SNNR) is an area, on
paper at least, of some 80,000 ha (approximately 38 km east to west and
39 km north to south). It straddles the mouth of the Shuangtaizihe (River
Shuangtaizi) (see Figure 1), and lies at the head of the Liaodong Bay,
approximately 40°52' to 41°03'N and 121°35' to 121°55'E (Melville 1991).
The reserve which is within the counties of Panshan and Dawa,
administratively part of Panjin City, is bounded by the Daliao River in the
east, the Dalin River in the west, the plain of the Liao River to the north and
the Gulf of Bohai to the south. The Shuangtaizi River is connected to the
Dalin, Raoyang, Fengtun, Panjin and Daliao Rivers forming a network which
deposits large volumes of silt at the head of the bay from the Longgang
Mountains in eastern Liaoning, the Yiwulyu Mountains in the west and the
Figure 1 . Location of the
Shuangtaizihekou National Nature
Reserve (SNNR)
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M. A. BRAZIL
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intensively farmed lowlands between these ranges and the sea. The region,
part of the Bo Hai depression, of the central plateau of north China,
continues to subside, but subsidence is made up at the same rate, historically
at least, by siltation. The area is flat, low lying and only 2-4 m above sea level
(Anon. 1989b).
Climate
The reserve lies in the semi-humid and monsoon region of the temperate
zone with very cold winters (minimum -29.3°C) during which the ground
freezes to a depth of about 100 mm, the sea freezes along the coast, and snow
is not infrequent, very hot summers (maximum 35.2°C), with 172-177 frost
free days, and an annual rainfall of 610 mm (Anon. 1989a). Typhoon-related
rainstorms bring extremely heavy rain falls, causing flooding from late June
onwards, and as the soil of the coastal area consists largely of medium and
heavy, sticky clay, dirt roads can become impassable during and after rain.
Winds are predominantly from the south or south-west during spring and
summer and from the north or north-east during autumn and winter. The
flatness of the region and the proximity to sea and river means that, especially
in spring, strong winds are a dominant feature of the reserve.
The considerable silt load carried by the rivers here leads to rapid accretion
of the coastal tidal flats, an essential habitat requirement, it seems, for the
endangered Saunders’s Gull Larus saundersi. While estimates vary
considerably (Melville (1991), for example, gives annual seaward advances of
up to 250 m/yr and the increase of tidal flats at 2,668 ha/yr, but this rate may
now have diminished), it seems that the average rate is measured at least in
tens of metres seaward per year at the river mouths. These tidal flats become
colonised at the upper part by Suaeda and inland, in progressively drier areas,
different species of Suaeda, Nitraria scobri and Phragmites australis rapidly take
over. In the past, the reserve would have consisted of extremely large areas of
tidal mudflats, saltmarshes dissected by creeks and drier areas all supporting
natural plant communities. The natural profile of mudflat and saltmarsh has,
however, been completely disrupted by the construction of seawalls during
the late 1980s; by the drainage of coastal land and by the development of
virtually all of the designated SNNR as part of an oil field (the Liaohe Oil
Field, China’s third largest), two commercial reed farms for paper
production, Zhao Quan River Reed Farm on the east reserve and Dong Duo
Reed Farm on the west reserve (together said to be the second largest in the
world), as rice fields, and shrimp ponds. Despite the apparently large size of
the SNNR on paper only a very small proportion of it, as a consequence of
this development, actually contains any natural, undisturbed or unreclaimed
habitat and that is the narrow region of mudflat outside the seawall on the
east side of the Shuangtaizi River and outside banks on the west side. As a
consequence of the types of agriculture and agricultural regimes being
practised, and of the further development of land within the seawall, the
inflow of human populace, and as a result of egg-collecting and hunting, the
populations of particularly the rarer birds occurring on the reserve, such as
1992
Birds of Shuangtaizihekou NNR
93
the Red-crowned Crane Grus japonensis, Saunders’s Gull and Reed Parrotbill
Paradoxomis heudei are under threat. Saunders’s Gull is a particular case in
point, as this site holds approximately half of the known world population
and is one of only three known breeding sites for the species.
History
The SNNR was established in 1985, as the Panjin City Shuangtai Hekou
Waterfowl Nature Reserve, in the same year that the nearby Panjin City was
founded. In January 1987 the reserve was upgraded by the Liaoning
Municipal Government to a Provincial level nature reserve, the Liaoning
Shuangtaizihekou Nature Reserve and then in June 1988, after recognition of
its national importance, the State Council approved the declaration of it as a
national nature reserve, as a wetland reserve for wildlife conservation,
especially for the protection of the Red-crowned Crane (Anon. 1989b). The
reserve holds a small breeding population of this species, the southernmost in
China. The reserve was and is, however, also the subject of various
improvement and development plans which are rapidly altering the habitats
on various parts of the reserve and threatening internationally significant bird
populations.
Previous ornithological work on the SNNR
It appears that the ornithological importance of the once vast wetlands at the
head of the Bohai Bay and their significance for both breeding and migratory
birds had been quite overlooked by the early British, Russian and Japanese
pioneers of ‘Manchurian’ ornithology during the nineteenth century and the
early part of the twentieth century.
The first survey of the area was in fact not made until surprisingly late, in
1982, when the Forestry Bureau of Liaoning Province ordered a census of
the fauna, but by that time the area must have already been heavily
developed and reclaimed. By 1986, when the survey was reported, 135 bird
species had been recorded and a breeding population of cranes found (Anon.
1989b). A subsequent survey of the Panjin wetland for the State Forestry
Department was carried out by the Liaoning Ornithological Research Centre
from July 1987 to May 1989 during which a total of 160 species was
recorded (Jin et al. 1989). In 1990, David Melville, during a brief study of the
reserve’s Saunders’s Gull population, from 27-30 May and again from
8-12 June, recorded 68 species, of which six (Eastern Marsh-Harrier Circus
(aeruginosus) spilonotus, Mongolian Plover Charadrius mongolus, Terek
Sandpiper Xenus cinereus. Rufous-necked Stint Calidris ruficollis, Brown
Hawk-Owl Ninox scutulata and Bull-headed Shrike Lanius bucephalus ) were
apparently new records for the reserve, or at least had not previously been
published (Melville 1991). Melville’s list, which was of more than a third of
the previous total in less than ten days’ field work, indicated that the previous
surveys had probably greatly under-recorded the number of species occurring
on the reserve, and particularly those passing through on migration.
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M. A. BRAZIL
Forkiail 7
The present study
During the spring and summer of 1991 I worked as consultant to the World
Wide Fund for Nature (Project #4527) on the Shuangtaizihekou National
Nature Reserve on the coast of Liaoning Province, P.R. China. While the
primary aims of the project were to make the first in-depth study of the
breeding biology of Saunders’s Gull throughout an entire breeding season,
and to draw up a management prescription for the conservation of the
reserve and the gull, daily fieldwork on the reserve also enabled me to collect
information on the occurrence of a wide range of other species during what is
probably the most exciting period of all, the spring migration. Many of those
species were new for the reserve and two of them at least, Reed Parrotbill and
Zitting Cisticola Cisticola juncidis, appear to have been new records for the
province. The work on Saunders’s Gulls, and also that on Reed Parrotbills,
will be described elsewhere in detail, and sound recordings made deposited at
the British Library of Wildlife Sound (BLOWS), London. In this paper,
therefore, I will concentrate on the bird species recorded so far from the
reserve, and particularly those added to the reserve list during my stay in
1991.
During the course of the project I stayed on the east reserve from Mondays
to Fridays in a field house situated at km 1 1 on the seawall. I visited the west
reserve on Saturdays and spent Sundays in Xinglongtai District, Panjin City.
Access to and from the reserve and around the west reserve was by jeep, and
around the east reserve by bicycle. Visits to areas of the east reserve were
made as research needs dictated, but birds observed while doing field work
were noted and, whenever time permitted, detours were made past the few
isolated clumps of trees, primarily those at Lao Tuo Dze, consisting of a
small ring of trees around a tiny spring-fed pool, and some adjacent bushes,
as well as to several very small isolated plantations aligned north to south, just
to the east of the farm (see Figure 2). On journeys from the east reserve back
to Panjin City detours were occasionally made through parts of the reserve
not visited by bicycle, particularly the route passing the crane ‘breeding
centre’. Visits were not often possible on consecutive dates to the same areas
or habitats and consequently numbers refer purely to those seen and may not
reflect the numbers actually present on the reserve. This will apply in
particular to shorebird numbers. On the west reserve circuits were made by
road to search out Saunders’s Gulls, cranes and parrotbills. As there were no
tree clumps suitable for migrants, passerine records are much fewer there.
This may help to explain why so many species, fairly common on the east
reserve, had not been recorded by Jin et al. (1989), who concentrated their
research efforts on the west reserve.
Diary of the project: I flew from Hong Kong to Shenyang on 1 8 April and
on 19 April travelled from Shenyang to Panjin. The following dates were
spent on the east reserve: 20, 22, 25-26 April, 29 April - 3 May, 6-10, 14-17,
20-24, 27-31 May, 3-6, 10-14, 17-21, 24-28 June, 1-5, 8-12, 15-19,
22-26 July, and finally on 30 July. The west reserve was visited on 21 and
27 April, 4, 1 1 and 18 May, 1,8, 15 and 22 June, 6 and 28 July. The 24 and
1992
Birds of Shuangtaizihekou NNR
95
28 April, 5, 12, 19, and 25-26 May, 2, 7, 9, 16, 23 and 29 June, 7, 13-14,
20-21, 27 and 29 July were spent in Panjin City. The 13 May, 30 June and
3 1 July were spent travelling between Panjin and Shenyang.
It was expected that during a long, intensive field project, from mid April
until the end of July 1991, a number of new species would be recorded for
the reserve. In fact, I observed 190 species during this period, more than a
third of which (67) are newly published records for the reserve. The accounts
of those species form an important pan of this paper. During summer 1991
the reserve authorities printed a reserve leaflet (Anon. 1991) including a bird
list of 172 species, adding for the first time David Melville’s additional
species from summer 1990 (omitting however, presumably as an oversight,
D.M.’s Rufous-necked Stint and Bull-headed Shrike) and also Northern
Goshawk Accipiter gentilis , Little Buttonquail Tumix sylvatica, Demoiselle
Crane Anthropoides virgo, Greater Sand Plover Charadrius leschenaultii,
Sanderling Ccdidris alba, Lanceolated Warbler Locustella lanceolata, Japanese
Reed-Bunting Emberiza yessoensis, and Meadow Bunting E. cioides. This
brought the reserve list to 174 species. My own additional 67 species brings
the reserve total to 241 now (see Appendix 1).
My own observations support and extend the statement made by Jin et al.
(1989) that one of the main characteristics of the avifauna of the Panjin
Figure 2. Sketch Map of Shuangtaizihekou National Nature Reserve (SNNR)
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M. A. BRAZIL
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wetland is that the majority of the birds recorded there are migratory. In fact,
only a very small proportion recorded by Jin et al. (1989) are resident, some
of which may no longer be so as their whereabouts were not known by
reserve staff. The migratory seasons are from March to May in spring (Jin et
al. 1989) with large numbers of waterfowl, storks and cranes passing through
in March and early April. All of the latter and the bulk of the waterfowl had
already passed on northwards by the time I arrived on the reserve on 20 April
1991. During late April and May considerable numbers of migrant
shorebirds and passerines were in evidence. Warblers, flycatchers and
buntings were especially noticeable, occurring conspicuously and often in
large numbers. Surprisingly though, the majority of these had previously been
unrecorded from the reserve. Peak migration during this study was deemed
to occur during the middle ten day period of May when 121 species were
recorded (see Figure 3), although numbers were in fact high (more than 100
species) throughout May. Species diversity declined rapidly after the end of
May, but appeared to be on the increase again during July as shorebirds and
even the first few passerine migrants re-appeared. According to Jin et al.
(1989), the autumn migration period is during September and October.
Given the increase in species observed during July, however, I imagine that
August too is a very important month particularly for shorebirds.
Jin et al. (1989) list just seven winter visitors: Chinese Grey Shrike Lanius
Figure 3. Cumulative total bird
species observed at
Shuangtaizihekou NNR, Panjin,
Liaoning Province, P.R. China:
20 April -31 July 1991.
Dat a
1992
Birds of Shuangtaizihekou NNR
97
sphenocercus, Eurasian Skylark Alauda arvensis, Short-eared Owl Asio
flammeus, Long-tailed Rosefinch Uragus sibiricus, Hawfinch Coccothraustes
coccothraustes, Common Reed-Bunting Emberiza schoeniclus and Lapland
Longspur Calcarius lapponicus, and as residents they record: Hen Harrier
Circus cyaneus, Little Owl Athene noctua. Crested Lark Galerida cristata,
Black-billed Magpie Pica pica, Carrion Crow Corvus corone and Eurasian
Tree Sparrow Passer montanus. I was surprised that I did not see either Little
Owl or Crested Lark and that the field team were uncertain of where on the
reserve they occurred or their identification; and I only once saw a Carrion
Crow. Similarly, of the summer visitors mentioned by Jin et al. (1989) I was
surprised not to encounter Slavonian Grebe Podiceps auritus, Watercock
GaUicrex cinerea, Long-eared Owl Asio otus, Blyth’s Pipit Anthus godlewskii
(though see comments in main text) or Azure-winged Magpie Cyanopica
cyana.
The location of the SNNR, situated at the head of a major gulf, on the
major east Asian coastal flyway, makes it of great importance for migratory
birds on their way to and from north-east China and Siberia; and in theory at
least the reserve provides an important, protected, stop-over site for many
migrants, and moulting, breeding or wintering grounds for others. I cannot
agree, however, with Jin et al. (1989) that one of the attractive features of the
area is its low human population. The reserve already has a population of
more than 140,000 people and includes a number of towns and villages,
while seasonal labour is extensive - semi-permanent fishing dwellings were
increasing in number even during the period when I was resident, and during
winter extremely large numbers (thousands) of people are employed for the
hand-harvesting of the reed crop. Even the only area of natural habitat
remaining, outside the seawall, is regularly disturbed by fishermen setting
nets across the mudflats, and by very large numbers (several hundred men at
a time) harvesting small bivalves to be ground up for shrimp food. I also
disagree with Jin et al. (1989) when they suggest that the large numbers of
waterbirds on the reserve list are indicative of the pristine nature and stability
of the wetland ecosystem. It is fortunate that the reed farming which
dominates the reserve provides some suitable habitat for wetland birds, but it
is far from ideal or pristine. A considerable amount of oil pollution occurs,
and the virtually complete harvesting of the reed crop down to ground/water
surface levels during the winter, leaves little or no habitat suitable for cranes
to nest in the following spring, or for over-wintering Reed Parrotbills. The
fresh-water wetland ecosystem is, in fact, highly degraded and artificial, while
the salt-water ecosystem is so highly disturbed as to seriously and imminently
threaten the survival of the breeding population of the already rare
Saunders’s Gull.
Significance of the SNNR
The reserve owes its designation as a national nature reserve to the presence
of a small population of Red-crowned Cranes. The various authorities
involved disagreed, however, as to the numbers present or breeding, and
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M. A. BRAZIL
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numbers given to WWF and to the Wild Bird Society of Japan also differed.
The 50 or so I was told about could have been almost completely comprised
of migratory individuals pausing on their way northwards in late March or
early April. Certainly, during my stay, I was unable to ever find more than a
fifth of this total and the number of observations of pairs together during the
breeding season suggests that even of those remaining to summer, few are
breeding. The presence of a considerable proportion of the world’s
Saunders’s Gull (first discovered there in 1989) mainly on the east reserve,
and the presence of a newly discovered population of the Reed Parrotbill,
mainly on the west reserve, add further, and greatly, to the biological
significance of the reserve. In addition, it is clearly an extremely important
and vital stopover for a wide range of migratory species, especially shorebirds.
The SNNR then is of extreme importance. It holds important breeding
populations of three rare, even endangered, bird species and attracts
numerous migrants. As a consequence, it deserves far greater attention and
protection, and to this end a joint project was undertaken between WWF and
the Ministry of Forestry, Beijing to draw up a management prescription for
the reserve which, it is hoped, will help to encourage and facilitate the future
conservation of this important area.
Background to the annotated list
As no information was available to me on the species recorded from the
reserve prior to my arrival in Hong Kong in early April 1991 I established a
predicted list by examining the distribution maps in Wild Bird Society of
Japan (WBSJ) (1982) and Japan Association for the Preservation of Birds
(JAPB) (1988) (the maps cover eastern Asia), which show those species that
should be resident, or regular summer and winter visitors to the region, and
from which it is also possible to predict roughly which species should migrate
through the region. These two references, however, do have many
inaccuracies in their distribution maps and so this list could only be
hypothetical. In addition I have drawn on my own knowledge of certain
species expanding their ranges northwards and or eastwards in eastern Asia
(Brazil 1991). This exercise provided an overall list of species quite a large
proportion of which, inevitably, it transpired, had already been recorded by
Jin et al. (1989), a copy of which I did not see until I reached Hong Kong.
Many more species, however, additional to Jin et al. (1989) were predicted to
occur, and found during my stay, and such species are given the superscript
P in the annotated list, while the remaining predicted species which I did not
find but which are very likely to occur, perhaps at other seasons, are included
for completeness in Appendix 2).
The 160 species recorded by Jin et al. (1989) are given superscript J (and
the number given in Jin et al. (1989)). Additional species included in the
Shuangtaizihekou NNR bird list, (a single sheet leaflet) which included 172
species by July 1991 (Anon. 1991), are given superscript R (and the number
given in Anon. (1991)). The 67 species observed during the period which are
newly published records for the reserve are marked *. As the reserve is
1992
Birds of Shuangtaizihekou NNR
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located on a major migration route, and as both the Bo Hai Bay and the
Shuangtaizihekou itself act as a funnel, the likelihood of more species being
recorded there is extremely high. A number of species previously on the
reserve list were not recorded, mainly because they occur at different seasons,
but the number of additional species, recorded essentially incidentally while
conducting research on Saunders’s Gull, suggests that the reserve has been
greatly underwatched.
A selected annotated species list for the SNNR including recent additions, species of
international importance and birds known to or presumed to breed
Species in upper case were observed during the present study, although those
in square brackets refer to birds not in the wild. Species in lower case are
those recorded during previous studies but not this one and are included so
as to provide a complete checklist for the reserve. Species order follows Brazil
(1991), with names following recent OBC standards.
LITTLE GREBE Tachybaptus (— Podiceps) ruficollis 1001 Presumably a fairly
common summer visitor and breeder at pools amongst reed fields, primarily
on the west reserve but also at the northern part of the east reserve. One was
heard ‘singing’ on the west reserve on 21 April, and by 27 April, 50 had
arrived there and birds were seen regularly throughout the period.
BLACK-NECKED GREBE Podiceps nigricollis (caspicus) 1002 A summer
visitor to areas of reeds and marsh according to Jin et al. (1989), and
presumably on this basis a breeder, but not seen during this study.
GREAT CRESTED GREBE Podiceps cristatus J003 A summer visitor,
occurring in small numbers at pools and flooded areas on the west reserve
where it is presumed to breed. Four were seen on 27 April, two pairs on
4 May, 15+ on 11 and 18 May, two on 8 June and one on 28 July.
GREAT BITTERN Botaurus steUaris J01° A fairly common summer visitor to
the extensive fields of the reed farm. The first birds, two, were seen on the
west reserve on 27 April, and up to five were subsequently recorded
throughout the summer with one still calling on the east reserve on 25 July.
YELLOW BITTERN Ixobrychus sinensis J008 A late arriving, common
summer visitor to the reed farm areas where it is assumed to breed. None was
seen during May, but then suddenly on 1 June, 40+ were seen at widespread
localities on the west reserve with many males in display flights following
females. Thereafter 10-30 were seen on each visit, and smaller numbers on
the east reserve.
SCHRENCK’S BITTERN Ixobrychus eurhythmus 1009 As with the previous
species this is a late arriving summer visitor which is assumed to breed, but
very different in that many migrants were seen in dry areas. The first bird was
flushed from the edge of the farm trees on 20 May. There was a major fall on
28 May when 65+ were found along the line of the farm trees, but otherwise
100
M. A. BRAZIL
Forktai! 7
a few pairs were seen throughout the summer on both the east and west
reserve.
*LITTLE HERON Butorides striatus p A new species for the reserve list seen
first on 6 May, when one flew in to the northwest comer of the ‘reservoir’
area. On 28 May one was at LTD and another at the southern farm trees,
and on 5 June one was beside the seawall and one over the farm trees.
CHINESE EGRET Egretta eulophotes J007 A rare migrant to areas of reeds and
marsh according to Jin et al. (1989), but not seen during this study.
*LITTLE EGRET Egretta garzetta An out of range addition to the reserve
list, found on the west reserve on 1 June.
*INTERMEDIATE (PLUMED) EGRET Egretta intermedia An out of range
addition to the reserve list. One was on the west reserve on 1 5 June.
PURPLE HERON Ardea purpurea J005 A common summer visitor, primarily
to the reed fields of the reed farms. It was first seen on 20 April when one
was on the east reserve, and subsequently found in increasing numbers
sometimes in excess of 50 during April and May with slightly smaller
numbers remaining throughout June and July, particularly on the west
reserve.
ORIENTAL (WHITE) STORK Ciconia (ciconia) boyciana Jon A rare
migrant according to Jin et al. (1989), not seen during this study.
COMMON SHELDUCK Tadoma tadoma J020 Presumed to be a late winter
and early spring migrant. It was first seen on 21 April when c30 were on the
west reserve. Flocks of up to 120+ were seen regularly on the east reserve
during May, and on the west reserve a pair was present during May and
June. The presence of some birds throughout the summer suggests that
breeding might possibly occur.
MANDARIN DUCK Aix galericidata J033 A rare migrant according to Jin et
al. (1989), not seen during this study.
SPOT-BILLED DUCK Anas poecilorhyncha J025 A not uncommon late
winter/spring migrant especially on the west reserve during April and May,
with a few pairs remaining to breed mainly on the east reserve, and with
small flocks being seen from early July onwards.
BAER’S POCHARD Aythya baeri J031 An uncommon summer visitor (?) seen
only on the western part of the reserve at or over pools amongst areas of reed.
The first observation, on 4 May, was of a flock of 29 birds. A flock, this time
of 1 5 birds, was seen at the very same place on the 1 1 May. Thereafter only
much smaller numbers were observed (presumably because birds had either
moved off completely or dispersed to breeding sites): a pair on the 18 May
and 1 June, and two males and one female on the 8 June. None at all was
recorded after that date and chicks were not seen. It is possible that birds left
the reserve entirely in early June or that they become much more secretive
during the breeding season.
1992
Birds of Shuangtaizihekou NNR
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^ORIENTAL HONEY-BUZZARD Pemis (apivorusO ptilorhyncus p A new
species for the reserve, first seen on 8 May when one flew north over the
Saunders’s Gull colony west of the ‘reservoir’ road. On 1 1 May three were
over the west reserve, then on 16 May at least 25 were moving north over the
seawall at km 1 1 on the east reserve, with several only just above sea level.
The last record was on 8 June, when one was over the west reserve being
mobbed by Lapwings.
PIED HARRIER Circus melanoleucos ,039 A fairly common migrant and
summer visitor to both the east and west reserves, first seen on 26 April on
the east reserve and subsequendy seen throughout the season with displays
seen on several dates during May. They were frequentiy mobbed by
Saunders’s Gull and presumably they may predate gull nests.
EASTERN MARSH-HARRIER Circus (aeruginosus) spilonotus R41
Surprisingly overlooked by Jin et al. (1989) and added to the reserve list by
Anon. (1991), seemingly on the basis of Melville’s records from summer
1990 (Melville 1991). It is probably both a migrant and a breeding summer
visitor in small numbers as birds were seen throughout the period. My first
record was on the west reserve on 2 1 April when 4 males and a female were
seen. Thereafter up to ten were seen in late April and during May with
smaller numbers seen during June and July on the west reserve. Also
observed being mobbed by Saunders’s Gull and presumably they may
predate gull nests.
*JAPANESE SPARROWHAWK Accipiter gularis p An addition to the reserve
list, first seen on 14 May, when two males were seen chasing passerine
migrants amongst the trees at LTD. Singles were then seen on 15 and
23 May and three on 24 May. This is presumably a regular migrant in small
numbers through the region which had previously been overlooked.
*NORTHERN SPARROWHAWK Accipiter nisus p Another new small
raptor for the reserve list first seen on 25 April when a female was observed
being mobbed by Saunders’s Gulls on the east reserve. Subsequendy,
another was observed on 2 May, and on 4 May two were seen on the west
reserve.
*AMUR FALCON Falco amurensis p A new species for the reserve list, first
seen on 27 April, when a female was on the west reserve. On 10 May a male
was on wires near the north end of the ‘reservoir’ road, and a female was seen
flying north along the reservoir road shortly afterwards. The last record was
of a male on the west reserve on 1 8 May.
*MERLIN Falco columbarius p An addition to the reserve list which probably
passes through on migration. Singles were seen on the west reserve on
21 April, and on the east reserve on 22 April.
JAPANESE QUAIL Cotumix japonica 1042 Quite common, particularly in the
drier areas of the east reserve and presumed to breed, though obviously far
more often heard than seen. The first record was of two on 27 April seen on
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M. A. BRAZIL
Forktail 7
the west reserve, and two were subsequently heard there on 4 May; thereafter
up to six were heard during May and birds were flushed quite frequently.
During June only one was encountered, flushed from damp Suaeda out
beyond the seawall, on 5 June, and none was heard. The very last record was
of one on 23 July, which was calling north of the oil field road in the early
morning and again in the afternoon, the first heard for nearly two months.
COMMON PHEASANT Phasianus colchicus 1043 Presumably resident on the
reserve, though not recorded as such by Jin et al. (1989). Males were heard
on 28 May, and 19 June, and one seen on 31 May, all on the east reserve.
COMMON MOORHEN Gallinula chloropus 1049 Given the amount of wet
reedbed habitat available, especially on the west reserve, a surprisingly
uncommon summer visitor, though presumably it breeds. First seen on the
west reserve on 1 1 May, no more than 25, and usualy many fewer, were seen
on any one day thereafter.
WATERCOCK GaRicrex cinerea 1048 A summer visitor, and presumably
therefore a breeder, to areas of reeds and marshes according to Jin et al.
(1989); however, I was unable to locate any during this study.
COMMON COOT Fulica atra 1050 Apart from two seen on the east reserve
on 10 May, this species was only encountered on the west reserve where it
frequented wet reed fields. It was first recorded on 21 April when 25+ were
seen. The largest total was of 250+ on 27 April, and subsequently recorded
regularly in smaller numbers throughout May and June. On 6 July a pair was
seen with well-grown chicks, and on 28 July a single immature was seen.
RED-CROWNED CRANE Grus japonensis J045 Varying information was
given on the population of this species on the reserve, though apparently
none of it based on research. The estimates of 50 or more probably relate to
migrants passing through. Though the southernmost breeding site known,
few pairs seem to be breeding, probably as a result of the lack of suitable
nesting habitat for them in early spring. My first record was of three near the
crane centre on the east reserve on 20 April; however, as they flew in to a
whistle they were probably free-living ex-captives. Subsequent records on the
east reserve were: two pairs and a single north-east of the sluice at km 6 on
2 May, a pair on 9 May, one on 10 May, two flew across the oil field road
heading north on 19 May. None was then seen until 12 July when two flew
in from the southwest landing near the farm before continuing northwards.
On 16 July a pair was foraging out on the, now flooded, main Saunders’s
Gull colony area, and on 25 July four were in the same area.
On the west reserve, three singles were observed on 21 April , and on 27
April seven were seen (five singles and a pair; the largest total I was able to
observe), on 4 May there were five (two pairs and a singleton), on 1 1 May
two singles, and on 18 May one pair was on the west reserve.
Based on experience from crane breeding grounds in Hokkaido, Japan, the
regular observation of pairs of individuals together during the breeding
1992
Birds of Shuangtaizihekou NNR
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season suggests that breeding was not successful. No chicks were observed at
all during the period.
[SIBERIAN CRANE Grus leucogeranus 1046 A weak immature was captured
by farmers and delivered to the crane centre on the east reserve on 25 April,
where I first saw it on 26 April. I was told that it would be looked after until
fit, but it was still in captivity at the end of July and seems destined to remain
so now.]
COMMON OYSTERCATCHER Haematopus ostralegus 1051 A summer
visitor and breeder to the reserve, first seen on the east reserve on 20 April,
and on the west reserve on 21 April. Small numbers, ranging from 2-10+,
were found throughout the period on both sections of the reserve and several
nests with eggs were found. On 10 and 11 July 50+ were seen on the east
reserve, with the largest total of all, 100+, seen there on 24 July.
BLACK- WINGED STILT Himantopus himantopus 1077 A common migrant
and a small number remaining to summer, and breed (one nest seen on the
west reserve). It was first seen on the east reserve on 20 April, when 10-15
were at roadside pools. More than 200+ were present on the west reserve on
2 1 April with flocks in excess of 1 00 seen into early May, thereafter numbers
dwindled to no more than 20 during June and July.
PLED AVOCET Recurvirostra avosetta ]078 An uncommon migrant and
perhaps a breeder in small numbers (on the west reserve where it seemed to
be present throughout the summer).
ORIENTAL PRATINCOLE Glareola maldivarum J079 Up to six birds were
seen a number of times on both the east and west reserve between 29 April
and 22 July, but only at drier areas or foraging over flooded areas. Although
possibly breeding neither nests nor chicks were seen.
KENTISH PLOVER Charadrius alexandrinus 1057 A very common and
widespread migrant and summer visitor first seen on 20 April. Birds were
seen on just about every day in the field with numbers seen usually estimated
to be around 10-50, although the total population was no doubt considerably
larger. The largest total, of 300-400, was on the east reserve on 25 April. On
the west reserve it was generally less common resulting from less available
suitable habitat. The first nest was found, complete with three eggs, on
10 May. Thereafter several nests and chicks were seen.
GREY-HEADED LAPWING Vanellus cinereus J053 An infrequently seen
summer visitor, but which may have been a very locally distributed breeder.
It was first encountered on 20 April when one was over crane centre on the
east reserve. On 4 May two individuals were seen on the west reserve, one of
which was mobbing a Northern Lapwing; on 1 0 May one was near the crane
centre again where it was seen mobbing a farm worker and may have been
nesting nearby. On 1 1 May one was on the west reserve.
NORTHERN LAPWING Vanellus vanellus 1052 An uncommon migrant and
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M. A. BRAZIL
Forkiail 7
summer visitor presumably breeding in small numbers. The first bird was
seen on the east reserve on 20 April, subsequently no more than 25+, usually
fewer, were seen throughout the season mainly on the west reserve.
*GREAT KNOT Calidris tenuirostris p A new record for the reserve, with a
distant flock of 60 over the mudflats on the east reserve followed by six very
close on 3 May. Birds were found on a number of occasions during May,
June and July, the largest totals being: on 6 July a flock of 98 were at roost at
the edge of the flooded Saunders’s Gull colony on the west reserve; on
1 6 July 200 were roosting out near a flooded area of the ‘reservoir’; and on
24 July 1,140 were counted flying to roost.
*RED KNOT Calidris canutus p A new species for the reserve. Most records
were from the east reserve where it was first seen on 17 May, when four
separate individuals all in summer plumage were found along the tide edge at
km 9.5. On 22 May 225 were out on the mudflats, on 29 May 6-10 were
amongst a Grey Plover Pluvialis squatarola flock roosting at the ‘reservoir’; on
15 June 25+ were on the west reserve, and on 24 July three were seen
amongst Great Knot on the east reserve.
* LONG-TOED STINT Calidris subminuta p A new species for the reserve,
only recorded on 23 July, when 5 were seen amongst a flock of Sharp-tailed
Sandpipers C. acuminata on the east reserve.
* BROAD-BIT .1 .ED SANDPIPER Limicola falcinellus p A new species for the
reserve list first seen when small groups totalling 50 were seen throughout the
day on 22 May. Small numbers were then seen on several dates in late May
and on 1 1 July, all on the east reserve.
*PINTAIL SNIPE Gallinago stenura p Added to the reserve list on 10 May
when two were near the crane centre with Common Snipe G. gallinago, and
three birds, probably of this species, were seen on 14 May.
* ASIAN DOWITCHER Limnodromus semipalmatus p An addition to the
reserve list, first seen when one was amongst a flock of Grey Plovers roosting
at the southwest comer of the ‘reservoir’ on the east reserve on 29 May. On
24 July three flew over the seawall at km 14, also on the east reserve.
*EURASIAN WOODCOCK Scolopax rusticola p A new species, flushed on
the east reserve on 22 April.
COMMON REDSHANK Tringa totanus 1065 A common migrant and
breeding summer visitor widespread on both eastern and western reserves.
First seen on 20 April. Subsequently numbers ranging up to 75+ were seen
almost daily until late June when numbers began to increase. For example
500+ were at a high tide roost on 1 1 July, and 200+ on 24 July on the east
reserve. Aerial display flights were seen for the first time on 26 April, and the
first nest was found on 8 May complete with four eggs, west of the reservoir
road.
*GREY-TAILED TATTLER Heteroscelus brevipes p An addition to the
1992
Birds of Shuangtaizihekou NNR
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reserve list seen only on 31 May, when 8 birds flew north calling over the
mudflat off km 9.
SAUNDERS’S GULL Lams saundersi J083 Already one of the rarest of the
world’s gulls, only three breeding sites have been reported two of which
(Yancheng in Jiangsu and Panjin in Liaoning) hold approximately 1,000
birds each, whilst at the third (in Nei Mongol) only six nests have been
reported (Shi et al. 1988). It is a specialist, occurring only along coastal
saltmarshes and estuaries and perhaps at similar sites at major inland waters,
where it feeds primarily on crabs, but also on small fish and worms obtained
from mudflats. It nests above the high tide line along the saltmarsh edge, but
below the level of permanent dry land vegetation (Brazil and Melville 1991).
At least 100 birds were already present on the east reserve when I arrived on
20 April, and about 30 were on the west reserve on 21 April. Numbers
recorded daily varied enormously depending on the state of the tide and the
sector of the reserve I was working in. Generally, however, numbers seen at
any one area ranged from 50-260 on the east reserve with up to 100 on the
west reserve. Two small colonies and one large extensive colony were located
in early May and on 6 May the first nest was found and several birds
observed incubating for the first time.
On 1 June, 90+ were discovered over a new small colony on the west
reserve where 14 birds were seen incubating; this colony was however later
destroyed when the area was flooded for fish ponds.
On 19 June, 510-520 were counted over the main colony representing the
largest single count inland. On 3 July the first flying immatures of the year
were seen and subsequently more and more were found as they moved
towards the mudflats.
A series of counts made from the seawall on 1 1 and 24 July by the field
team, combined with the numbers known to be on the west reserve and an
average of the numbers usually over the main colony suggested that this year
the reserve held 1,000-1,200 adults and a minimum of 370 young were
reared to the flying stage by 24 July. This total represents approximately half
of the known world population.
The results of the detailed field research into the behaviour, ecology and
breeding biology of Saunders’s Gull done during spring and summer 1991
will be described in full detail elsewhere.
*MEW GULL Lams canus p New for the reserve list but only seen on
27 April, when two adults and an immature were seen on the west reserve.
*GLAUCOUS GULL Lams hyperboreus An unexpected new record for the
reserve when an adult was seen out on the mudflat off Km 7, on 2 May.
GULL-BILLED TERN Gelochelidon nilotica J086 A quite common migrant
and summer visitor with some breeding amongst Saunders’s Gulls on the
east reserve and a colony found on the west reserve, although this was
destroyed by flooding for fish ponds.
It was first observed on the west reserve on 21 April. During May mostly
small numbers were observed except over the west reserve colony which had
106
M. A. BRAZIL
Forktail 7
attracted 100+ birds by 22 June and these had built 40 nests. By 6 July, when
100 were seen again, their colony had been partially flooded, and many of the
nests washed away; the colony had been abandoned by 28 July. Several nests
were found on the east reserve during June and one flightless chick was found
at the edge of the Saunders’s Gull colony on 8 July.
COMMON TERN Sterna hirundo 1088 A fairly common migrant and summer
visitor with small numbers breeding, particularly amongst a Gull-billed Tern
colony on the west reserve. It was first recorded on 27 April, and
subsequently seen throughout the season. Birds regularly joined mobbing
Saunders’s Gulls over colonies. On 22 June 30 birds with 12 nests were
found amongst the Gull-billed Tern colony on the west reserve; one
individual clearly had an orange rather than a black bill, suggesting that it was
of a different subspecies from the others. By 28 July, when the nesting colony
had been flooded out, only three were seen on the west reserve. Although no
nests were found on the east reserve, breeding was assumed to have occurred
there also, because on 15 July an immature bird was seen there flying out
over the seawall.
LITTLE TERN Sterna albifrons J089 A fairly common migrant and summer
visitor with at least one nesting colony (50+ birds) on the west reserve,
although this was completely destroyed by floods. First seen on 25 April,
then from 10-50 seen throughout the season,
WHISKERED TERN Chlidonias hybridus J084 A very common migrant and
summer visitor, presumed to breed on the reserve. Nest material was seen
being collected, but no nests were found. It was seen first on 21 April and
subsequently seen throughout the season with the largest total of 650, of
which 600 were in a single loose flock, foraging over an area of flooded reed
fields, on the west reserve on 1 1 May. Several hundred were also present
throughout June, though numbers were rather smaller during July.
*ROCK PIGEON/FERAL PIGEON Columba livia Surprisingly uncommon
and only recorded on 10 July when two appeared at the house at dusk.
Apparently not recorded previously on the reserve.
*HODGSON’S HAWK-CUCKOO Cuculus fugax p A new species for the
reserve, seen only on 24 May, when one was flushed twice from the north
farm trees.
^INDIAN CUCKOO Cuculus micropterus pAn addition to the reserve list,
first seen on 23 May, when one was found amongst the north farm trees.
Presumably the same individual was still present on 24 May, and one was at
the southern farm trees on 28 May.
COMMON CUCKOO Cuculus canorus J091 A common migrant and summer
visitor, clearly taking advantage of the sizeable population of Oriental Reed
Warblers Acrocephalus orientalis breeding on the reserve. The first record was
on 14 May, then by 1 June hundreds were seen everywhere on roadside
wires, posts and bushes. Obviously a sudden major arrival had occurred, but
1992
Birds of Shuangtaizihekou NNR
107
numbers dwindled quickly and the largest totals during the remainder of the
summer were 50+ on 8 June and on 6 July. It seems likely that the extremely
high densities estimated by Melville (1991), 22/ha, were a consequence of
surveying during the peak of the spring passage and not entirely indicative of
the size of the breeding population.
* ORIENTAL CUCKOO Cuculus saturatus p New for the reserve. A bird
possibly of this species was seen on 1 4 May, at the southern farm trees, then
on 5 June one was seen and heard singing at LTD.
* LESSER CUCKOO Cuculus poliocephalus p New for the reserve, first seen
on 2 1 May, when a probable female was at the farm trees, and a male was at
the trees north of the oil field road. On 5 June a brown phase female was at
the north farm trees.
*ORIENTAL SCOPS OWL Otus (scops) sunia pNew for the reserve, with
records on 20 May, when one was found amongst the northern farm trees,
and on 23 May when one was found dead at LTD.
* WHITE-THROATED NEEDLETAIL Hirundapus caudacutus p New for
the reserve on 16 May, when one flew in low over a small Saunders’s Gull
colony on the east reserve. On 18 May, two were seen moving east along the
Shuangtaizi river from the west reserve, and on 22 May one flew in east over
the seawall on the east reserve.
*FORK-T AILED SWIFT Apus pacificus p New for the reserve on 1 May. It
seems, however, to have been overlooked in the past as it proved to be a fairly
common migrant with the main movement occurring in early and mid June.
The largest single total was of 50+ on 17 June, but birds continued moving
northwards all that afternoon and probably totalled several hundreds. The
last records were on 1 1 and 22 July.
*DOLLARBIRD Eurystomus orientalis p New for the reserve on 28 May,
when two, possibly three, were seen being mobbed by Saunders’s Gulls; later
the same day one was at LTD and two were at the north farm trees.
*RI JFOI JS-RF.1 .1 .TED WOODPECKER Dendrocopos (Picoides) hyperythrus
New for the reserve when a female was seen at LTD on 14 May.
Subsequently a female was at the farm trees and a male at LTD on 20 May.
On 24 May a male was at LTD, and on 28 May there were two males there
and a female at the southern farm trees. The last record was of a female at
the south farm trees on 5 June.
ASIAN SHORT-TOED LARK Calandrella cheleensis 1102 A fairly common
summer visitor. A single bird was first seen on the west reserve on 2 1 April,
and on the east reserve on 25 April. Thereafter from 5-20+ were seen on
virtually all dates spent on the reserve, and it was presumed to breed.
BARN SWALLOW Hirundo rustica J106 A common migrant and summer
visitor mainly to villages and towns where they occurred in much larger
numbers, but first seen on 21 April when one was on the west reserve, and
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M. A. BRAZIL
Forktail 7
on 22 April when two were on the east reserve. Thereafter they appeared in
increasing numbers and 5-50+ were seen on the reserve on most days. The
largest total over the reserve was of 250+ moving north over the west reserve
on 18 May. Two pairs built nests in and around the field house.
RED-RUMPED SWALLOW Hirundo daurica J107 A fairly common summer
visitor, which probably breeds around villages on the reserve. The first ones
were seen on 3 May, thereafter small numbers were seen regularly with a
maximum of 50+ on 1 8 May.
* AS IAN HOUSE-MARTIN Delichon dasypus p A new species for the reserve,
seen only on 22 May, when one flew north over the mudflats.
RICHARD’S PIPIT Anthus novaeseelandiae J1“ A widespread summer visitor
in small numbers to drier habitats. Commoner on the east than on the west
reserve because of the availability of habitat. First seen on 30 April. It was
subsequently seen on many dates when numbers ranged mostly from 2-5,
although on 9 May 10-15 flew north over the mudflats during the morning.
From late June onwards I noted slightly larger numbers up to 10-15 per day
perhaps reflecting the fledging of young on the reserve.
* RED-THROATED PIPIT Anthus cervinus p A new record for the reserve,
first seen on 4 May, when two were flushed on the west reserve, and
subsequendy one was seen nearby on 1 1 May.
*BI JFF-RF.T .1 TF.D PIPIT Anthus (spinoletta) rubescens p Although new for the
reserve, it is presumably a fairly common early spring migrant. I observed it
only once, on 22 April, when seven were on the east reserve.
*FOREST WAGTAIL Dendronanthus indicus p New for the reserve on
14 May, when one was found along the western margin of the ‘reservoir’.
YELLOW WAGTAIL MotaciUa flava 1108 A fairly common migrant with
small numbers remaining on the reserve to breed. The first record was on the
west reserve on 2 1 April, and it was subsequendy seen most often on the west
reserve throughout the season, with food carrying seen on 8 June.
*ASHY MINIVET Pericrocotus divaricatus pNew for the reserve on 14 May
when 1 5 flew over very high calling.
*RUFOUS-TAILED ROBIN Luscinia (Erithacus) sibilans p New for the
reserve list, but probably a regular migrant in small numbers, first seen on
14 May when one was at LTD, and then regularly during May and early
June. On 28 May there was an appreciable fall with one at LTD, 18+ at the
south farm trees (one of which was singing), and 16-17 at the mid and north
farm trees. The last records, four birds, were on 5 June.
*SIBERIAN RUBYTHROAT Luscinia (Erithacus) calliope p A new record
for the reserve, added on 4 May, when two males and a female were found
on the west reserve. It was subsequendy found, however, to be a common
migrant throughout May, with up to 20 or more on some dates. The last
record was on 30 May.
1992
Birds of Shuangtaizihekou NNB
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*BLUETHROAT Luscinia (Erithacus) svecica p A new record for the reserve
added on 4 May, when a red-spotted male was found on the west reserve. On
8 May, two or three were on the east reserve, and on 28 May one was there.
*DAURIAN REDSTART Phoenicurus auroreus p A new species for the
reserve; a female was observed at LTD on 10 May.
*PIED WHEATEAR Oenanthe pleschanka pNew for the reserve, first seen on
26 April when a female was found on the east reserve. A second female was
found on 8 May.
* WHITE-THROATED ROCK-THRUSH Monticola gularis p Although a
new species for the reserve list, it proved surprisingly common. It was first
seen on 14 May when three males were at the middle and northern farm
trees. Up to five birds were seen on several dates during May, and the last
record was of a female at the southern farm trees on 5 June.
^SIBERIAN THRUSH Zoothera sibirica p A new bird for the reserve, first
recorded on 23 May when a male was at LTD and three males were amngst
the farm trees. It was subsequently seen on 28 May when a female was at
LTD, a male was at the southern farm trees, and two were at the northern
farm trees. The last record was of a male at LTD on 5 June.
*EYEBROWED THRUSH Turdus obscurus p A new reserve record first
found on 4 May. It proved to be a fairly frequently encountered, though
uncommon, migrant during May and early June, with up to 20 birds on any
one date. The last record was of one at the north farm trees on 10 June.
* MANCHURIAN BUSH-WARBLER Cettia anturians p A new species for
the reserve, first seen on 23 May, when two were at LTD and one was at the
farm trees.
*Z11T1NG CISTICOLA Cisticola juncidis An unexpected addition to the
reserve list, and seemingly a new record for Liaoning Province (It was not
recorded by Cheng (1987) for the province, or Zhao (1988) for northeast
China). One was found in song flight display on 1 1 May, along the western
edge of the west reserve.
* PALLAS’S WARBLER Locustella certhiola p New for the reserve, though
probably a regular though very uncommon late migrant, with the first record
on 5 June, when four were seen. The only other record was of one near the
farm on 14 June.
*GRAY’S WARBLER Locustella fasciolata p Although new for the reserve, it
has no doubt been overlooked previously because of its skulking behaviour. It
was first seen on 28 May and again on 30 May. On 5 June three were seen,
and finally one was present on 10 June.
BLACK-BROWED REED-WARBLER Acrocephalus bistrigiceps J136 A far less
common migrant and summer visitor than the Oriental Reed-Warbler. It was
first seen on 14 May then up to ten were recorded regularly throughout the
season.
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M. A. BRAZIL
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* PADDY hi KT D WARBLER Acrocephalus agricola A very unexpected
addition to the reserve list; one was caught in mist nets on 28 July, on the
west reserve, and attributed to subspecies A. a. tangorum by D. S. Melville (in
litt.).
ORIENTAL REED-WARBLER Acrocephalus orientalis J135 A common late
arriving summer visitor, and an even commoner (super-abundant) migrant.
Probably not as abundant, however, as suggested by Melville (1991) since his
estimates of 22/ha (and perhaps up to half a million on the reserve) were
based on surveys done during what appears to be the peak of the spring
migration period. None was seen until 18 May, but then more than 100 were
on the west reserve, after seemingly a sudden arrival of large numbers which
had begun to sing and set up territories. On 1 June hundreds, possibly
thousands, were singing on the west reserve, yet by 8 June only 50+ were
there, reflecting the passing of the peak of migration.
* EASTERN CROWNED WARBLER Phylloscopus coronatus pNew for the
reserve, first seen on 14 May. A second bird was seen on 23 May.
*PALE-LEGGED LEAF-WARBLER Phylloscopus tenellipes An unexpected
new species for the reserve, first found on 4 May when one was on the west
reserve. However, on 23 May there was something of a fall with 10-15 at
LTD, although only one remained there on 24 May. On 28 May one was
found at LTD and another at the southern farm trees, and on 5 June one was
at LTD.
^GREENISH WARBLER Phylloscopus trochUoides An unexpected new bird
for the reserve list seen in roadside scrub on the east reserve on 28 May.
*LEMON-RUMPED WARBLER Phylloscopus proregulus p A new record for
the reserve, and one that proved surprisingly common given that it had not
been seen by Jin et al. (1989). It was first seen on 29 April. It was found
frequently during May usually in small numbers, however, on 14 May a
major fall occurred and 30-40 were at LTD. The final records were on
5 June.
*RADDE’S WARBLER Phylloscopus schwarzi? A new species for the reserve,
first found during a major fall of Phylloscopus warblers on 14 May, when one
was seen along the track to LTD, three or four were amongst the trees at
LTD and two or three were among the farm trees. One was seen on 1 5 May,
and three on 5 June.
*DUSKY WARBLER Phylloscopus fuscatus p A new species for the reserve,
found on the west side on 1 8 May.
* DARK-SIDED FLYCATCHER Muscicapa sibirica p A new bird for the
reserve, found on 20 May, when 2-3 were amongst the southern farm trees.
Then one was at LTD, and 4-5 were amongst the farm trees on 23 May. On
28 May singles were near the tower and at the south farm trees. On 30 May
one was near the northern farm trees, and finally on 5 June one was at LTD
and three were at the south farm trees.
1992
Birds of Shuangtaizihekou NNR
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* ASIAN BROWN FLYCATCHER Muscicapa latirostris p A new species for
the reserve, and one that was not uncommon during May, but only on the
east reserve. It was first seen on 7th, and then regularly, with up to seven
birds, throughout May. The last record was of one on 5 June.
* RED-THROATED FLYCATCHER Ficedula parva p A new reserve
record, but one that it was surprising that Jin et al. (1989) had missed, given
the frequency with which I encountered it. The first bird, a male, was found
amongst low vegetation around the trees at LTD on 30 April. Then
subsequently up to seven birds were found during May, the last on 22 May.
*MUGIMAKI FLYCATCHER Ficedula mugimaki PA new record for the
reserve first seen on 14 May, when two males were found. On 15 May they
still remained, and on 20 May a female was amongst the southern farm trees.
All records were from the east reserve.
* ASIAN PARADISE-FLYCATCHER Terpsiphone paradisi An unexpected
new bird for the reserve seen on 28 May.
*REED PARROTBILL Paradoxomis heudei An unexpected discovery. Not
only the first for the reserve but also for Liaoning Province, although it seems
quite likely that this species had been misidentified as Long-tailed Tit by Jin
et al. (1989), who only had access to WBSJ (1982) and hence had no
illustrations of this species. It was first seen on 21 April, when three were
found on the west reserve. Four were found on 27 April, and on 4 May, by
which time I had obtained recordings, 25 responded to play-back. The
species was recorded on the east reserve for the first, and only, time on
10 May, when three responded to tapes 0.5 to 2 km west of the crane centre.
Twenty plus on 1 1 May, 23 on 18 May, 25 on 1 June, ten on 15 June, four
were seen on the west reserve on 22 June, and on 28 July, one male and one
female were caught in mist nets set for the purpose on the west reserve.
Further details of population surveys and behavioural observations will be
published elsewhere.
*EURASIAN PENDULINE-' llT Remiz pendulinus p Although predicted to
occur on the reserve, and in fact an old nest, presumably taken from the
reserve, was kept in the reserve office in Panjin, there seem to have been no
sight records from the reserve until 27 April, when two were on the west
reserve. Subsequently, on 4 May 20 were on the west reserve, six were at
LTD on 8 May and on 1 1 May four were on the west reserve.
*TIGER SHRIKE Lanius tigrinus pNew for the reserve, first seen on 20 May,
when a female was found at the southern farm trees. Up to six were seen
thereafter on several dates during May with a fall of 19 on 28 May. The last
records were on 5 June when five were at LTD and six were at the farm trees.
BLACK-BILLED MAGPIE Pica pica J122 It seems that it is most likely to be
a resident (although it was not recorded as such by Jin et al. (1989)) with
small numbers along the western border of the west reserve and some at the
north-eastern comer of the east reserve. Up to 20 birds were seen throughout
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M. A. BRAZIL
Forktail 7
the summer, and several nests observed on concrete power poles and metal
pylons. It is known locally, apparently, as a ‘bird of danger’ because wet nests
bridging wires sometimes cause short-outs!
EURASIAN TREE SPARROW Passer montanus J146 Not particularly
common on the reserve except around villages and buildings. It was first seen
on 20 April, when clO were seen on the east reserve, and subsequently
numbers ranging from 2-50+ were seen regularly on both the east and west
reserves. Numbers appeared to suddenly increase in late June and early July,
for example on 8 July a flock of about 1 00 birds, many of them young, was
near the northwest comer of the reservoir.
* COMMON ROSEFINCH Carpodacus erythrinus pNew for the reserve on
14 May, when two males and four females were found on the east reserve.
Up to six birds were found on a number of dates during May and on 20 May
several were found in cages at Dawa county street market. The last record
was of a female on 30 May.
*JAPANESE GROSBEAK Eophona ( Coccothraustes ) personata pNew for the
reserve on 14 May. One was seen again on 20 May, and several were found
for sale at the Dawa county street market.
^BLACK-FACED BUNTING Emberiza spodocephala p A very predictable
new reserve record, but one that proved to be so common that it was
surprising that it had been overlooked by Jin et al. (1989). The first record
was on 29 April when 3-4 were around the LTD trees, including one which
sang briefly, and thereafter up to six were seen on a number of dates during
May. Three were on the west reserve on 1 June, then none was seen until
3 and 4 July when a male was at the roadside near the field house.
*CHESTNUT-EARED BUNTING Emberiza fucata p A new reserve record,
first seen on 29 April when a male was in roadside scrub north of the LTD
trees on the east reserve. On 4 May, a female, and on 18 May a male were on
the west reserve, while on the east reserve a male was 1 km east of the house
on 10 May, one was near the tower and one was along the ‘reservoir’ road on
29 May, and on 5 June one was along the seawall.
*YELLOW- BROWED BUNTING Emberiza chrysophrys p New for the
reserve; a poorly marked male was on the west side on 1 8 May.
^TRISTRAM’S BUNTING Emberiza tristrami p A new reserve record. The
first, a male, was seen on 29 April. On 3 May, a male and female, with a
male Little Bunting E. Pusilla, flew in to Suaeda just outside the seawall at
km 10.5. On 10 and 23 May a male was at LTD, and on 23 May one was
also at the north farm trees, where there was a female on 28 May.
^CHESTNUT BUNTING Emberiza rutila p New for the reserve, first seen
on 15 May, when a male was found on the east reserve. On 18 May, two
males were seen flying over the west reserve with Yellow-breasted Buntings,
then a pair were seen on the ground. On 20 May 30+ were found to be on
sale at the Dawa county street market indicating that large numbers were
1992
Birds of Shuangtaizihekou NNR
113
migrating. On 23 May a male was at the north farm trees, and finally two
females were at LTD on 5 June also on the east reserve.
*PAI J AS’S REED-BUNTING Emberiza pallasi p Although new for the
reserve list, it proved surprisingly common. It seems likely that this species
had been overlooked in confusion with Common Reed-Bunting (a winter
visitor) by Jin et al. (1989). It was first seen on 21 April when three, possibly
more, were on the west reserve, several times more during April, then on
several dates during May when much larger numbers were present. The
highest total was on 4 May when 200-300, possibly more, were on the west
reserve. The last records were on 1 1 May, when one male was seen, and one
was picked up dead on the west reserve.
The field work during which these observations were made was supported by the World Wide
Fund for Nature (Project #4527). I would like to thank David Melville of WWF Hong Kong, for
promoting this project, for making my involvement in it possible, and for his support and advice
during it. The project was part of a co-operative conservation initiative between WWF and the
Ministry of Forestry, Beijing, at the national level and carried out in co-operation with the forestry
bureau of Liaoning Province, Shenyang, and Panjin, and the staff of the Shuangtaizihekou NNR.
I would like to thank in particular Director Liu and Vice-Director Wei of the SNNR for
facilitating the logistical aspects of the project and for assembling a team of co-workers to assist
me in the field. I especially thank the field team, Sui Fengren, Li Yu Xiang (both of the SNNR),
and Liang Yu (seconded from the Liaoning Ornithological Research Centre for the duration of
the field work) for their assistance and companionship throughout the project, and Susanne
Holschuh and ‘Fox’ Wong for joining me in June.
REFERENCES
Anon. (1989a) [Survey report of vegetation of Shuangtaizihekou National Nature Reserve of Liaoning .)
Shenyang: Liaoning Forestry Survey and Planning Institute. (In Chinese)
Anon. (1989b) [ Report of the investigation of vertebrates in Liaoning Shuangtai Hekou National
Nature Reserve.) Shenyang: Liaoning Forestry Survey and Planning Institute. (In Chinese)
Anon. (1991) [Liaoning Shuangtai River National Nature Reserve.) Panjin City: Shuangtaizihekou
NNR. (In Chinese)
Brazil, M. A. (1991) The Birds of Japan. Christopher Helm: London.
Brazil, M. A. and Melville, D. S. (1991) An immediate short-term management strategy for Saunders’
Gull Larus saundersi. Hong Kong: WWF.
Cheng Tso-hsin. (1987) Synopsis of the avifauna of China. Beijing: Science Press.
Japan Association for the Preservation of Birds. (1988) A guide for bird lovers. Tokyo: JAPB.
Jin, L., Liang, Y., Zhang, Y., Hu, Y., Wang, J., Wei, H., and Sui, F. (1989) [A survey of birds in
Panjin Wetland, Liaoning Province.] Transactions of Liaoning Zoological Society 7 (1): 21-38. (In
Chinese)
Melville, D. S. (1991) Notes on birds of Shuangtaizihekou National Nature Reserve, Liaoning
Province, China. Hong Kong Bird Report 1990.
Shi, Z. R., Thouless, C. R. & Melville, D. S. (1988) Discovery of the breeding grounds of
Saunders’s Gull Larus saundersi. Ibis 130: 445-446.
Wild Bird Society of Japan. (1982) A field guide to the birds of Japan. Tokyo: Wild Bird Society of
Japan.
Zhao, Z. (ed) (1988) [The birds of northeast China.) Shenyang: Liaoning Science and Technology
Press. (In Chinese)
Mark A. Brazil B.A., Ph.D., The Japan Times, 5-4 Shibaura 4-chome, Minato-ku, Tokyo, 108
Japan, and Worldwide Features, 27 Colville Road, Melton Constable, Norfolk NR24 2DD, UK.
1 14
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Forktail 7
APPENDIX 1
A COMPLETE LIST OF BIRDS RECORDED SO FAR FROM THE
SHUANGTAIZIHEKOU NNR
Species added to the reserve list during this study are marked * with those predicted as likely to
occur also marked p. Those recorded by Jin et al. (1989) are marked J, those added in the recent
reserve list (Anon. 1991) are marked R, and those by Melville (1991) M.
LITTLE GREBE Tachybaptus (Podiceps) ruficollis IRM A fairly common summer visitor and
presumed breeder (MAB).
SLAVONIAN GREBE Podiceps auritus 1 R A summer visitor, but not seen during this study.
GREAT CRESTED GREBE Podiceps cristatus , R M An uncommon summer visitor and possible
breeder (MAB) .
GREAT BITTERN Botaurus stellaris J R M A fairly common summer visitor and presumed to
breed (MAB).
YELLOW BITTERN Ixobrychus sinensis 1 R M A common summer visitor and presumed to breed
(MAB).
SCHRENCK’S BITTERN Ixobrychus eurhythmns 1 R M A common migrant and uncommon
summer visitor (MAB).
* LITTLE HERON Butorides striatus p
CHINESE EGRET Egretta enlophotes 1 R A rare migrant not seen during this study.
* LITTLE EGRET Egretta garzetta
* INTERMEDIATE EGRET Egretta intermedia
GREAT EGRET Egretta alba 1 R M An uncommon spring migrant (MAB) .
GREY HERON Ardea cinerea , R M A summer visitor in small numbers, probably non-breeders
(MAB).
PURPLE HERON Ardea purpurea ,RM A common summer visitor and presumed breeder
(MAB).
BLACK STORK Ciconia nigra , R A rare migrant, not seen during this study.
ORIENTAL (WHITE) STORK Ciconia (ciconia) boyciana 1 R A rare migrant, not seen during
this study.
BLACK-HEADED IBIS Threskiomis melanocephalus 1 R A rare migrant, not seen during this
study.
WHITE SPOONBILL Platalea leucorodia J R A rare migrant, not seen during this study.
WHOOPER SWAN Cygnus cygnus 1 R Possibly a common early spring migrant, but seen only
once in May (MAB).
SWAN GOOSE Atiser cygnoides J R A rare migrant, not seen during this study.
BEAN GOOSE Anser fabalis , R A rare migrant, not seen during this study.
GREATER WHITE-FRONTED Goose Anser albifrons 1 R A flock of 1 1 was on the west reserve
on 27 April (MAB).
RUDDY SHELDUCK Tadoma ferruginea 1 R A flock of 1 1 was seen on the west reserve on 27
April.
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Birds of Shuangtaizihekou NNR
115
COMMON SHELDUCK Tadoma tadoma IR MA fairly common late winter/early spring
migrant (MAB).
MANDARIN DUCK Aix galericidata ] R A rare migrant, not seen during this study.
EURASIAN WIGEON Anas penelope J R Probably a common early spring migrant, few in late
spring (MAB).
FALCATED TEAL/l«as falcata 1 R A very uncommon migrant (MAB).
GAD WALL Anas strepera ,R A very uncommon migrant (MAB) .
COMMON TEAL Anas crecca 1 R Probably a common migrant in early spring, rare in late spring
(MAB).
MALLARD Anas platyrhynchos 1 R Rare in late spring; only seen twice (MAB).
SPOT-BILLED DUCK Anas poecilorhyncha J R M A not uncommon late winter/spring migrant,
with a few pairs remaining to breed (MAB).
NORTHERN PINTAIL Anas acuta J- R Probably a common migrant in early spring, but very
uncommon in late spring (MAB).
GARGANEY Anas querquedula 1 R M A very common early spring migrant (MAB).
NORTHERN SHOVELER Anas clypeata 1 R Presumably an early spring migrant, with only small
numbers present into May and early June (MAB).
COMMON POCHARD Aythya ferina 1 R A rare migrant, not seen during this study.
BAER’S POCHARD Aythya baeri 1 R M An uncommon summer visitor and possibly rare breeder
(MAB).
TUFTED DUCK Aythya fuligula 1 R A rare migrant according to Jin et al. (1989), not seen
during this study.
COMMON GOLDENEYE Bucephala clangula , R A rare migrant, not seen during this study.
SMEW Mergus albellus 1 R Seen once in late April (MAB).
COMMON MERGANSER Mergus merganser 1 R A rare migrant, not seen during this study.
‘ORIENTAL HONEY BUZZARD Pemis (apivorus) ptilorhyncus p
HEN HARRIER Circus cyaneus 1 R Although reportedly a resident Qin et al. 1989) I found it
surprisingly uncommon with only three sightings, all in April (MAB).
PEED HARRIER Circus melanoleucos -A fairly common migrant and summer visitor and breeder
(MAB).
EASTERN MARSH- HARRIER Circus (aeruginosus) spilonotus R M Overlooked by Jin et al.
(1989), added to the reserve list by Anon. (1991) on the basis of Melville (1991). Probably
both a migrant and a breeding summer visitor in small numbers (MAB).
‘JAPANESE SPARROWHAWK Accipiter gularis p
‘NORTHERN SPARROWHAWK Accipiter nisus p
NORTHERN GOSHAWK Accifnter genttlts RA rare migrant, not seen during this study.
UPLAND BUZZARD Buteo hemilasius 1 R A rare migrant, not seen during this study.
EURASIAN KESTREL Falco tinnunculus , R A rare migrant, not seen during this study.
‘AMUR FALCON Falco amurensis p
‘MERLIN Falco columbarius p
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M. A. BRAZIL
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NORTHERN HOBBY Falco subbuteo 1 R M An uncommon spring migrant (MAB).
JAPANESE QUAIL Cotumix japonica 1 R A quite common summer visitor and presumed breeder
(MAB).
COMMON PHEASANT Phasianus colchicus 1 R Presumably resident, though not recorded as so
by Jin et al. (1989). Males heard in May and June (MAB).
LITTLE BUTTONQUAIL Tumix sylvatica R A rare migrant (Anon. 1991), not seen during this
study. I was unable to establish the validity of this record, and criteria for its identification
seemed not to be known by the reserve staff.
BAILLON’S CRAKE Porzana pusilla 1 R A rare migrant, not seen during this study.
COMMON MOORHEN Gallinula chloropus ,R M A surprisingly uncommon summer visitor
given the amount of habitat available, presumably breeding (MAB).
WATERCOCK Gallicrex cinerea 1 R A summer visitor (Jin et al. 1989); however, I was unable to
locate any during this study (MAB).
COMMON COOT Fulica atra 1 R A very common summer visitor and fairly common breeder
(MAB).
COMMON CRANE Grus grus , R A rare migrant, not seen during this study.
RED-CROWNED CRANE Grus japonensis 1 R M An uncommon migrant and a breeding summer
visitor in small numbers (MAB).
[SIBERIAN CRANE Grus leucogeranus 1 R A rare migrant, one injured bird was captive on the
reserve (MAB)]
[DEMOISELLE CRANE Anthropoides virgo R A free-walking adult at the crane centre on the east
reserve throughout the study, presumably once an injured bird it has been tamed to be on show
for visitors.]
COMMON OYSTERCATCHER Haematopus ostralegus 1 R M A summer visitor and breeder in
small numbers (MAB) .
BLACK- WINGED STILT Himantopus himantopus 1 R M A common migrant and small numbers
remaining to summer, and breed (MAB).
PIED AVOCET Recurvirosira avosetta , R M An uncommon migrant and perhaps a breeder in
small numbers (MAB).
ORIENTAL PRATINCOLE Glareola maldivarum 1 R An uncommon summer visitor possibly
breeding (MAB).
LITTLE RINGED PLOVER Charadrius dubius 1 R A very uncommon migrant (MAB).
KENTISH PLOVER Charadrius alexandrinus 1 R M A very common and widespread migrant and
summer visitor (MAB) .
MONGOLIAN PLOVER Charadrius mongolus R M A fairly common spring migrant and returning
quite early in the autumn, overlooked by Jin et al. (1989), and added to the reserve list (Anon.
1 99 1 ) on the basis of Melville (1991) (MAB) .
GREATER SAND PLOVER Charadrius leschenaultii R63 Although this species was added in the
recent reserve list (Anon. 1991), reserve staff were unclear of its separation in the field from
Mongolian Plover and could provide no information on this record.
PACIFIC GOLDEN PLOVER Pluvialis (dominica) fulva 1 R M A fairly common migrant, though
less common than expected given the large numbers which migrate through the Japanese
archipelago (Brazil 1991) (MAB).
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Birds of Shuangiaizihekou NNR
117
GREY PLOVER Pluvialis squaiarola ,R MA common migrant particularly during May, though
some remained throughout the summer and migrants began to increase again during July
(MAB).
GREY-HEADED LAPWING Vanellus cinereus J R M An infrequently seen summer visitor, but
which may have been a very locally distributed breeder (MAB).
NORTHERN LAPWING Vanellus vanellus J R M An uncommon migrant and summer visitor
presumably breeding in small numbers (MAB).
*GREAT KNOT Calidris tenuirostris p
*RED KNOT Calidris canutus r
SANDERLING Calidris alba RA single bird on 17 May was probably the second reserve record
(MAB).
RUFOUS-NECKED STINT Calidris ruficollis p M First added to the reserve list in June 1990
(Melville 1991). I subsequently found it to be an uncommon migrant during April and May
and again in July (MAB).
TEMMINCK’S STINT Calidris temminckii IR A single bird was seen on the west reserve on 4
May.
* LONG-TOED STINT Calidris subminuta p
SHARP-TAILED SANDPIPER Calidris acuminata J R M An uncommon migrant (MAB).
CURLEW SANDPIPER Calidris ferruginea , R M A very uncommon migrant in small numbers
(MAB).
DUNLIN Calidris alpina 1 R M A fairly common migrant during April and May, and again in July
(MAB).
‘BROAD-BILLED SANDPIPER Limicola falcinellus p
COMMON SNIPE Gallinago gallinago 1 R An uncommon migrant during April and May (MAB).
‘PINTAIL SNIPE Gallinago stenura p
‘ASIAN DOWITCHER Limnodromus semipalmatus p
‘EURASIAN WOODCOCK Scolopax rusticola p
BLACK-TAILED GOD WTT Limosa limosa 1 R M An uncommon migrant in April to June, but an
early returning migrant in July (MAB).
BAR-TAILED GODWIT Limosa lapponica 1 R Somewhat commoner than the previous species,
but also returning early in July (MAB).
LITTLE CURLEW Numenius minutus 1 R An uncommon, perhaps rare migrant during May
(MAB).
WHIMBREL Numenius phaeopus 1 R M A common migrant occuring widely (MAB) .
EURASIAN CURLEW Numenius arquata 1 R M A fairly common migrant, though fewer in
number than the following species (MAB).
EASTERN CURLEW Numenius madagascariensis J R A common migrant with very large
numbers (up to 700) returning early in July, presumably to moult (MAB).
SPOTTED REDSHANK Tringa erythropus 1 R A common early migrant, and returning by early
July (MAB).
COMMON REDSHANK Tringa tetanus 1 R A common migrant and breeding summer visitor
(MAB).
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M. A. BRAZIL
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MARSH SANDPIPER Tringa stagnatilis , R M A common migrant (MAB).
COMMON GREENSHANK Tringa nebularia 1 R M An uncommon migrant with only very small
numbers until July when large numbers began to gather, presumably to moult (MAB).
GREEN SANDPIPER Tringa ochropus 1 R An uncommon migrant (MAB).
WOOD SANDPIPER Tringa glareola IR MA fairly common migrant and one which returns very
early in July (MAB) .
TEREK SANDPIPER Xenus cirtereus R M A surprisingly common migrant given that it was not
recorded at all by Jin et al. (1989) and had been added to the reserve list on the basis of just one
record by Melville (1991) (MAB).
COMMON SANDPIPER Aciitis hypoleucos J R M An uncommon migrant (MAB).
*GREY-T AILED TATTLER Heteroscelus brevipes p
RUDDY TURNSTONE Arenaria interpres 1 R M An uncommon migrant during May (MAB).
SAUNDERS’S GULL Larus saundersi 1 R M A colonial breeder, the reserve currently supports
approximately half of the world population (MAB).
COMMON BLACK-HEADED GULL Larus ridibundus 1 R M A common migrant and with quite
large numbers of non-breeders, mostly sub-adults, remaining to summer on the reserve
(MAB).
BLACK-TAILED GULL Larus crassirvstris 1 R M Small numbers, mainly of immatures, seem to
summer on the Shuangtaizi River, with larger ( 150+ ) numbers at the mouth of the river
during July (MAB).
*MEW GULL Larus canus p
HERRING GULL Larus argentatus 1 R M Small numbers of immatures and occasional adults
during April, May, and then from late July (MAB).
*GLAUCOUS GULL Larus hyperboreus
GULL-BILLED TERN Gelochelidon nilolica 1 R M A quite common migrant and summer visitor
with some breeding (MAB) .
COMMON TERN Sterna himndo 1 R M A fairly common migrant and summer visitor with small
numbers breeding (MAB).
LITTLE TERN Sterna albifrvns J R M A fairly common migrant and summer visitor with at least
one nesting colony on the west reserve, although this was completely destroyed by floods
(MAB).
WHISKERED TERN Chlidonias hybridus 1 R M A very common migrant and summer visitor
presumed to breed. Nest material was seen being collected, but no nests were found. The
largest numbers encountered were of about 600 in a single loose flock in May (MAB) .
WHITE- WINGED TERN Chlidonias leucopterus J- R M A very common, even abundant migrant
and summer visitor. Breeding may well occur but was not proven (MAB).
*ROCK PIGEON/FERAL PIGEON Columba lima
ORIENTAL TURTLE-DOVE Streptopelia orientalis * R M A fairly common migrant (MAB) .
‘HODGSON’S HAWK-CUCKOO Cuculus fugax r
♦INDIAN CUCKOO Cuculus micropterus p
COMMON CUCKOO Cuculus canorus 1 R 1091 A common migrant and summer visitor (MAB).
♦ORIENTAL CUCKOO Cuculus saturatus p M
1992
Birds of Shuangiaizihekou NNR
1 19
*LESSER CUCKOO Cuculus poliocephalus p
* ORIENTAL SCOPS-OWL Otus (scops) sunia p
NORTHERN EAGLE-OWL Bubo bubo 1 R A rare migrant, not seen during this study.
BROWN HAWK-OWL Ninox scutulata R MA rare migrant first seen in 1990 (Melville 1991).
The second and third records for the reserve were in late May (MAB).
LITTLE OWL Athene noctua I R A resident around villages, farms and grasslands (Jin et al. 1 989),
however reserve staff were not aware of its occurrence and I was unable to locate it during this
study (MAB).
LONG-EARED OWL Asia otus ,R A summer visitor, not seen during this study.
SHORT-EARED OWL Asio flammeus 1 R A very uncommon migrant in late April and early May
(MAB).
GREY NIGHTJAR Caprimulgus indicus ,R A fairly common migrant during May and early June
(MAB).
* WHITE-THROATED NEEDLET AIL Hirundapus caudacutus p
‘FORK-TAILED SWIFT Apus pacificus p
COMMON KINGFISHER Alcedo atthis 1 R M An uncommon summer visitor.
*DOI .1 ARBIRD Eurystomus orientalis p
HOOPOE Upupa epops 1 R M A not uncommon migrant from April to late July (MAB).
EURASIAN WRYNECK Jynx torquilla 1 R An uncommon migrant during April and early/mid
May (MAB).
GREY-HEADED WOODPECKER Picus canus ,R A rare migrant, not seen during this study.
GREAT SPOTTED WOODPECKER Dendrocopos (Picoides) major , R A rare migrant, not seen
during this study.
*RUFOUS-BELLIED WOODPECKER Dendrocopos (Picoides) hyperythrus
ASIAN SHORT-TOED LARK Calandrella cheleensis IR A fairly common summer visitor (MAB).
CRESTED LARK Galerida cristata 1 R Although listed as a resident by Jin et al. (1989), I was
unable to find any individuals nor were my co-workers (MAB).
COMMON SKYLARK Alauda arvensis 1 R Reported by Jin et al. (1989) only as a winter visitor
and all were presumed to have departed by the time of my arrival as I recorded none at all
(MAB).
SAND MARTIN Riparia riparia 1 R A very common migrant during May and July (MAB) .
BARN SWALLOW Hirundo rustica ,R MA common migrant and breeding summer visitor
(MAB).
RED-RUMPED SWALLOW Hirundo daurica I R M A fairly common summer visitor (MAB).
♦ASIAN HOUSE MARTIN Delichon dasypus p
RICHARD’S PIPIT Anthus novaeseelandiae 1 R M A widepsread summer visitor in small numbers
(MAB).
BLYTH’S PIPIT Anthus godlewskii , R A summer visitor according to Jin et al. (1989); however,
on range it seems unlikely, except perhaps as an uncommon migrant (Cheng, 1987, who
regards it as a race of A. campestris includes it as a migrant through Liaoning Province). It may
have originally been added to the reserve list on the basis of a specimen record. Reserve staff
were unclear as to its separation from Richard’s Pipit, and as all the calls I noted given by large
120
M. A. BRAZIL
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pipits were strong “schreep” calls typical of Richard’s Pipit, all were assumed to be of that
species, and thus Blyth’s Pipit was not recorded during this study.
OLIVE TREE-PIPIT Anthus hodgsoni 1 R An uncommon migrant (MAB).
* RED-THROATED PIPIT Anthus cervinus p
*BUFF-BELUED PIPIT Anthus rubescens p
‘FOREST WAGTAIL Dendronanthus indicus p
YELLOW WAGTAIL Motacilla flava 1 11 M A fairly common migrant with small numbers
remaining on the reserve, and presumably breeding, throughout the summer (MAB).
GREY WAGTAIL Motacilla cinerea J R An uncommon migrant, seen twice in early May (MAB).
WHITE WAGTAIL Motacilla alba J R A surprisingly uncommon migrant (MAB).
*ASHY MINTVET Pericrocotus divaricatus p
SIBERIAN ACCENTOR Prunella montanella , R A rare migrant, not seen during this study.
‘RUFOUS-TAILED ROBIN Luscinia (Erithacus) sibilans p
‘SIBERIAN RUBYTHROAT Luscinia (Erithacus) calliope p
‘BLUETHROAT Luscinia (Erithacus) svecica p
SIBERIAN BLUE ROBIN Luscinia (Erithacus) cyane 1 R A very common migrant during May
(MAB).
ORANGE- FLANKED BUSH-ROBIN Tarsiger cyanurus 1 R A fairly common migrant during late
April and throughout May (MAB).
‘DAURIAN REDSTART Phoenicurus auroreus p
STONECHAT Saxicola torquata J R A very common migrant during late April and May (MAB).
‘PIED WHEATEAR Oenanthe pleschanka p
BLUE ROCK-THRUSH Monticola solitarius 1 R A very uncommon migrant (MAB).
‘WHITE-THROATED ROCK-THRUSH Monticola gulans p
SCALY THRUSH Zoothera dauma J R An uncommon migrant (MAB).
‘SIBERIAN THRUSH Zoothera sibinca p
GREY-BACKED THRUSH Turdus hortulorum 1 R An uncommon migrant occurring in very
small numbers (MAB).
PALE THRUSH Turdus pallidus 1 R A single bird was seen on the west reserve on the 4 May.
‘EYEBROWED THRUSH Turdus obscurus p
DUSKY THRUSH Turdus naumanni 1 R Presumably only an uncommon spring migrant, as
Cheng (1987) includes it as wintering north only to the region of the Yangtze. I observed rather
fewer than I had expected during late April and early May (MAB).
‘MANCHURIAN BUSH WARBLER Cettia canturians p
‘Zl lTlNG CISTICOLA Cisticola juncidis
‘PALLAS’S WARBLER Locustella certhiola p
LAN CEOLA LED WARBLER Locustella lanceolata R An uncommon migrant during May
(MAB).
‘GRAY’S WARBLER Locustella fasciolata p
1992
Birds of Shuangiaizihekou NNR
121
JAPANESE MARSH WARBLER Megalurus pryeri ,R A rare migrant (Jin et al. 1989), but
according to reserve staff Japanese ornithologists had found it in small numbers on the west
reserve during the summer; however, it was not found during this study.
BLACK-BROWED REED-WARBLER Acrocephalus bistrigiceps 1 R- M A common migrant and
breeding summer visitor (MAB).
* PAD D YFIELD WARBLER Acrocephalus agricola
ORIENTAL REED-WARBLER Acrocephalus orientalis | RM A common summer visitor, and an
even commoner migrant (MAB).
THICK-BILLED WARBLER Acrocephalus aedon ,R A very common migrant from mid May to
early June on the east reserve (MAB).
* EASTERN CROWNED WARBLER PhyUoscopus coronatus p
* PALE-LEGGED LEAF-WARBLER PhyUoscopus leneUipes
♦GREENISH WARBLER PhyUoscopus trochiloides
ARCTIC WARBLER PhyUoscopus borealis ! R An uncommon migrant (MAB).
♦LEMON-RUMPED WARBLER PhyUoscopus proregulus p
INORNATE WARBLER PhyUoscopus inomatus 1 R A quite common spring migrant (MAB).
♦RADDE’S WARBLER PhyUoscopus schwarzi p
♦DUSKY WARBLER PhyUoscopus fuscatus p
GOLDCREST Regulus regulus 1 R A rare migrant, not seen during this study.
♦DARK-SIDED FLY CATCHER Muscicapa sibirica p
♦ASIAN BROWN FLYCATCHER Muscicapa latirostris p
♦RED-THROATED FLYCATCHER Ficedula parva p
♦MUGIMAKI FLYCATCHER Ficedula mugimaki p
YELLOW-RUMPED FLYCATCHER Ficedula zanthopygia ,R A fairly common late spring
migrant (MAB).
♦ASIAN PARADISE-FLYCATCHER Terpsiphone paradisi
♦REED PARROTBTT .1 . Paradoxomis heudei A fairly common resident (MAB).
LONG-TAILED TIT Aegithalos caudatus 1 R A rare migrant, not seen during this study.
GREAT TIT Parus major ,R A rare migrant, not seen during this study.
EURASIAN NUTHATCH Sitta europaea JR A rare migrant, not seen during this study.
* EURASIAN PENDULINE-TTT Remiz pendulinus p
CHESTNUT-FLANKED WHITE-EYE Zosterops erythropleurus 1 R A fairly common late spring
migrant (MAB).
BLACK DRONGO Dicrurus macrocercus 1 R A rare migrant, seen twice in June (MAB).
BLACK-NAPED ORIOLE Oriolus chinensis , RM A rare migrant seen twice in May and once in
June (MAB).
♦TIGER SHRIKE Lanius tignnus p
BROWN SHRIKE Lanius cristatus 1 R M A common migrant from late April until early June
(MAB).
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M. A. BRAZIL
Forktail 7
BULI^HEADED SHRIKE Lanius bucephalus “ Added to the reserve list by Melville (1991).
GREAT GREY SHRIKE Lanius excubitor ! R A rare migrant, not seen during this study.
CHINESE GREY SHRIKE Lanius sphenocercus 1 R A winter visitor, not seen during this study.
AZURE- WINGED MAGPIE Cyanopica cyana 1 R A summer visitor, not found during this study.
BLACK-BILLED MAGPIE Pica pica 1 R M Presumed to be resident, in small numbers (MAB).
CARRION CROW Corvus corone 1 R Although supposedly a resident, only seen once, in May
(MAB).
LARGE-BILLED CROW Corvus macrorhynchos 1 R A rare migrant, not seen during this study.
PURPLE-BACKED STARLING Stumus stuminus 1 R A very uncommon migrant in late May
(MAB).
WHITE-CHEEKED START .TNG Stumus cineraceus , R A very uncommon migrant, but larger
numbers, mainly of immatures, during July (MAB) .
EURASIAN TREE SPARROW Passer montanus 1 R M Not particularly common on the reserve
until a sudden increase in late June and early July (MAB).
B RAMBLING FringiUa montifringilla 1 R An uncommon migrant (MAB).
GREY-CAPPED GREENFINCH Carduelis sinica JR A surprisingly uncommon migrant, seen
only twice during May (MAB).
EURASIAN SISKIN Carduelis spinus ,R A very uncommon migrant. Local trapping for the cage-
bird markets could perhaps explain the small numbers of certain hardbilled species seen in the
wild (MAB).
COMMON REDPOLL Carduelis flammea 1 R A rare migrant, not seen during this study.
* COMMON ROSEFINCH Carpodacus erythrinus p
PALLAS’S ROSEFINCH Carpodacus roseus 1 R A rare migrant, not seen during this study.
LONG-TAILED ROSEFINCH Uragus sibiricus 1 R A winter visitor, not seen during this study.
YELLOW-BELLED GROSBEAK Eophona (Coccothrauste) migratoria 1 R A very uncommon
migrant (MAB).
‘JAPANESE GROSBEAK Eophona (Coccothraustes) personata p
HAWFINCH Coccothraustes coccothraustes ,R A not uncommon migrant during May (MAB).
LAPLAND LONGSPUR Calcarius lapponicus , R A winter visitor, not seen during this study.
‘BLACK-FACED BUNTING Emberiza spodocephala p
MEADOW BUNTING Emberiza cioides A rare visitor (Anon. 1991), not seen during this study.
‘CHESTNUT-EARED BUNTING Embenza fucata p
YELLOW-THROATED BUNTING Emberiza elegans J R A rare migrant (MAB).
‘YELLOW-BROWED BUNTING Embenza chrysophrys p
‘TRISTRAM’S BUN TING Emberiza tristrami p
RUSTIC BUNTING Emberiza rustica 1 R A winter visitor, not seen during this study.
LITTLE BUN TING Emberiza pusilla , R A common migrant (MAB).
‘CHESTNUT BUNTING Emberiza rutila p
YELLOW-BREASTED BUN TING Emberiza aureola , R- A common migrant (MAB).
1992
Birds of Shuangtaizihekou NNR
123
COMMON REED-BUN' 1 ING Emberiza schoeniclus ) R A winter visitor, seen once during this
study (MAB).
♦PALLAS’S REED-BUNTING Emberiza pallasi p
JAPANESE REED-BUNTING Emberiza yessoensis A rare visitor (Anon. 1991), not seen during
this study.
APPENDIX 2
ADDITIONAL SPECIES PREDICTED AS LIKELY TO OCCUR
ON THE SHUANGTAIZIHEKOU NNR, BUT NOT YET
RECORDED, AND NOT SEEN DURING SPRING AND
SUMMER 1991
RED-THROATED DIVER Gama siellata
BLACK-THROATED DIVER Gama arctica
PACIFIC DIVER Gama paafica
RED-NECKED GREBE Podiceps gnsegena
BLACK-NECKED GREBE Podiceps nigricoUis
STREAKED SHEARWATER Calonectns leucomelas
GREAT CORMORANT Phalacrocorax carbo
CINNAMON BITTERN Ixobrychus cmnamomeus
BLACK-CROWNED NIGHT-HERON Nycncorax nycncorax
CHINESE POND-HERON Ardeola bacchus
BLACK-FACED SPOONBILL Platcdea minor
TUNDRA SWAN Cygnus columbianus
LESSER WHITE- FRONTED GOOSE Anser eryihropus
GREYLAG GOOSE Anser anser
BRENT GOOSE Branta bemicla
GREATER SCAUP Aythya mania
HARLEQUIN DUCK Histnonicus histnomcus
LONG-TAILED DUCK Clangula hyemalxs
VELVET SCOTER Melamaa fuica
OSPREY Pandion hahactus
BLACK KITE Mdvus mi grans
WHITE-TAILED EAGLE Hcdiaeetus albtctUa
STELLER’S SEA EAGLE Hcdiaeetus pelagicus
GREY-FACED BUZZARD Butastur tndicus
COMMON BUZZARD Buteo buteo
ROUGH-LEGGED BUZZARD Buteo lagopus
GREATER SPOTTED EAGLE Aquila clanga
GOLDEN EAGLE Aquila chrysaetos
LESSER KESTREL Falco naumanm
PEREGRINE FALCON Falco peregnnus
WATER RAIL RaJIus aqua tic us
RUDDY-BREASTED CRAKE Porzana fusca
SWINHOE’S YELLOW RAIL Coturmcops exquisilus
HOODED CRANE Grus monacha
GREATER PAINTED-SNIPE Rostratula benghalensis
LONG-BILLED PLOVER Charadnus placuius
ORIENTAL PLOVER Charadnus veredus
SPOON-BILLED SANDPIPER Eurynorhynchus pygmeus
RUFF Philomachus pugnax
SWINHOE’S SNIPE Galhnago megala
SOLITARY SNIPE Galhnago solitana
NORD MANN’S GREENSHANK Tnnga guttifer
RED-NECKED PHALAROPE Phalaropus lobatus
SLATY-BACKED GULL Lams schistisagus
PALLAS’S SANDGROUSE Syrrhaptes paradoxus
COLLARED DOVE Streptopelia decaocto
RED TURTLE-DOVE Streptopelia tranquebanca
COLLARED SCOPS-OWL Otus bakkamoena
URAL OWL Strix urcdensis
BLACK-CAPPED KINGFISHER Halcyon pdeata
CRESTED KINGFISHER Ceryle lugubns
WHITE-BACKED WOODPECKER Dendrocopos (Picoides) leucotos
LESSER SPOTTED WOODPECKER Dendrocopos (Picoides) minor
JAPANESE PYGMY WOODPECKER Dendrocopos (Picoides) ktzukt
HORNED LARK Eremophila alpestns
YELLOW- HOODED (CITRINE) WAGTAIL Motacilla citreola
JAPANESE WAXWING Bombycdla japomca
BOHEMIAN WAXWING Bombycdla gamdus
BROWN DIPPER Cinclus pallasn
NORTHERN WREN Troglodytes troglodytes
BLUE- AND- WHITE FLYCATCHER Cyanoptila cyanomelana
GREY-STREAKED FLYCATCHER Musctcapa gnseisticta
BEARDED TIT Panurus btarmicus
VINOUS-THROATED PARROTBILL Paradoxomis webbtanus
MARSH TIT Pams palusms
WILLOW 1 1 1 Parus montanus
COAL 1 1 1 Parus ater
COMMON TREECREEPER Cenhia familians
DAURIAN JACKDAW Corvus dauuncus
ROOK Corvus fmgilegus
TWO-BARRED CROSSBILL Loxia leucoptera
RED CROSSBILL Loxia curmrostra
124
ASIAN ROSY FINCH Leucosiicte arcioa
COMMON BULLFINCH Pyrrhula pyrrhula
M. A. BRAZIL
SNOW BUNTING Plectrophenax nivalis
PINE BUNTING Embenza leucocephalos
Forktail 7
FORKTAIL7 (1992): 125-130
Food-niche relationships of five
sympatric north Indian herons
N. S. SODHI
In a study in Northern India, the pivotal prey groups for Catde Egret were flies (by number) and
toads (by biomass), for Little Egret fishes (both by number and by biomass), for Indian Pond-
Heron frogs (by number) and fishes (by biomass), for Intermediate Egret bugs (by number) and
fishes (by biomass), and for Black-crowned Night-Heron fishes (both by number and biomass).
Low overlaps in number of prey categories consumed by the herons were found. However, there
were high overlaps in shared prey categories, suggesting such prey may not be limited in nature.
Indian Pond-Heron had the highest niche width and Cattle Egret the lowest. The size of a heron
was not considered with mean langth of the prey consumed.
There has been extensive documentation of the feeding habits of various
herons, but such studies on herons from the Oriental region remain meagre.
Here I report food resources utilized, food-niche width and overlap in food
used by five sympatric north Indian herons, the Black-crowned Night-Heron
Nycticorax nycticorax, Intermediate Egret Egretta intermedia, Indian Pond-
Heron Ardeola grayii, Little Egret Egretta garzetta, and Cattle Egret Bubulcus
ibis.
METHODS
Food samples were obtained from and around Chandigarh (30°42'N
76°54’E), India, between March 1984 and March 1985. Two methods were
used to obtain food samples, collecting adults in the field and gathering
regurgitated food samples from heronries. Both samples were lumped in
analyses because adult herons deliver the same size and composition of prey
to nestlings that they have themselves consumed (Kushlan 1978: 271).
For comparison. I used high levels of prey identification as suggested by
Greene and Jaksic (1983). Such food analyses of these species have been
reported elsewhere (Sodhi 1985, 1986, 1989, Sodhi and Khera 1986, Singh
et al. 1988). Food samples of Black-crowned Night-Heron were obtained
only during the breeding sensor and of Intermediate Egret during March (2)
and September (1). Data on these species were compared with samples
collected from other species during that period.
Overlaps in prey categories were calculated as:- Number of common prey
categories consumed by both species/total number of prey categories
consumed by both species X 100. Overlap among common prey categories
(see Appendix) of any two species was calculated by Horn’s measure
(2Xp, q/p2. + q2;), where p( is the frequency of a given prey and qi is the
frequency of the same prey in the second species. (This formula renders
values between 0 to 1, signifying null to complete overlap.)
126
N. S. SODHI
Forktail 7
Food-niche width, i.e. diet diversity, was computed as: B = H(p2)/2> where
p_ is the relative occurrence of prey i in a given specie’s diet. (This index gives
values between 1 to n; see Levins 1968 for explanation.) Further, to remove
differential sample-size bias, I calculated the standardized version of food-
niche width as proposed by Colwell and Futuyama (1971):
B = (B . - B )/(B -B ). Where B . is the observed niche width,
B is the minimum niche width possible (=1), and B is the maximum
width possible (=n, which is the number of prey categories actually taken by a
given species). Bsta ranges between 0 and 1.
Weight, bill length, tarsus length, and wing length of herons were obtained
from Cramp and Simmons (1977). Usually, mean values were given
separately for sexes but I combined them into a single figure for each species.
I calculated weight ratios between neighbouring species along an increasing
axis, the weight of the lightest species in any pair was in the denominator
Table 1. Major prey categories consumed by five species of herons. Data given as percentage of
number. + = values less than 0.1%; * signifies adults and young
1992
Food-niche relationships of five north Indian herons
127
Table 2. Major prey categories consumed by five species of herons. Data presented as percentage
of biomass (wet weight). + = Values less than 0.1%; * signifies adults and young
(Hutchinson 1959, Diamond 1975, Jaksic and Braker 1983).
I performed correlation analyses using Spearman’s rho correlation
coefficient (Sokal and Rohlf 1969).
RESULTS AND DISCUSSION
Tables 1 and 2 show that the most important prey groups for Cattle Egret
were flies (by number) and toads (by biomass), for Little Egret fishes (both
by number and biomass), for Indian Pond-Heron frogs (by number) and
fishes (by biomass), for Intermediate Egret bugs (by number) and fishes (by
biomass) and for Black-crowned Night-Heron fishes (both by number and
biomass). It has been postulated that prey selection in herons may be
dependent upon four factors (Sodhi 1988): (a) prey availability, (b) prey
vulnerability, (c) physiological stimuli of the predator, and (d) competition
for food resources among sympatric herons.
128
N. S. SODHI
Forktail 7
There were no high overlaps in the number of prey categories consumed by
the herons (Table 3). This supports the expectation that values of overlaps
should be low as a consequence of past competitive interactions that have led
the consumer species to differ in their pattern of resource utilization (Lawlor
and Maynard-Smith 1976, Lawlor 1980). But overlaps in prey categories
that were common to any pair of species were high (76-99%), particularly
among aquatic herons (Tables 4 and 5), suggesting that those prey categories
may not be limited in availability. Such overlaps of aquatic herons with the
only terrestrial heron - Cattle Egret - were low, perhaps due to differential
habitat utilization.
Table 3. Overlaps in prey categories consumed by the herons (values range between 0 and 100).
Table 4. Overlaps in common prey categories consumed by the herons.
Table 5. Feeding-niche dimensions of five herons. See Hancock and Kushlan (1984) for
description of feeding behaviours.
1992
Food-niche relationships of five north Indian herons
129
Table 6. Weight ratios between herons.
Table 7. Morphological variables (calculated from Cramp and Simmons 1977) and food length
(in mm) of the herons.
The white-plumaged herons (Intermediate Egret, Little Egret, Cattle
Egret), usually feed in flocks (Table 5). This supports Kushlan’s (1978)
hypothesis that white plumage acts as a social stimulus for flock-feeding in
herons.
The anticipation that minimum weight ratios between adjacent-sized
coexisting species should fall between 2.2 (Hutchinson 1959, MacArthur
1972) and 3.2 (Diamond 1975), was not met by my results (Table 6; see
Wiens and Rotenberry 1980, Jaksic and Braker 1983, for similar results). The
correlation between weight ratios and corresponding food-niche overlaps
(common prey) was negative, though insignificant (r = - 0.200, p>0.05).
The expected tradeoff between body size and overlap in diet, documented for
mammals (Brown 1975, Fuentes and Jaksic 1979), which is assumed to be
the outcome of competitive interactions, is thus not supported.
No statistically significant relationships exist between different
morphological variables and length of food items consumed by the herons
(Table 7), i.e., wing length (rs = 0.800, p>0.05), tarsus length (rs = 0.600,
p>0.05), and bill length (r, = 0.600, p>0.05). This suggests that length of
prey items consumed may be dependent upon length of available prey rather
than on a heron’s morphology.
I thank the Indian Council of Agricultural Research for financing this research, and S. S. Sodhi,
Navdeep Singh, and S. Khera for their help.
REFERENCES
Brown, J. H. (1975) Geographical ecology of desert rodents. Pp. 315-341 in M. L. Cody, and J.
M. Diamond, eds. Ecology and evolution of communities. Cambridge: Belknap Press.
Colwell, R. K. and Futuyama, D. J. (1971) On measurement of niche breadth and overlap.
Ecology 52: 567-576.
130
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Cramp, S. and Simmons, K. E. L. (1977) The birds of the western Palearctic, 1. Oxford: Oxford
University Press.
Diamond, J. M. (1975) Assembly of species communities. Pp. 324-444 in: M. L. Cody and J. M.
Diamond, eds. Ecology and evolution of communities. Cambridge: Belknap Press.
Fuentes, E. R. and Jaksic, F. M. (1979) Latitudinal size variation of Chilean foxes: tests of
alternate hypotheses. Ecology 60: 43-47.
Greene, H. W. and Jaksic, F. M. (1983) Food-niche relationships among sympatric predators:
effects of level of prey identification. Oikos 40: 151-154.
Hancock, J. and Kushlan, J. (1984) The herons handbook. London: London Editions Ltd.
Hutchinson, G. E. (1959) Homage to Santa Rosalia, or why are there so many different kinds of
animals? Amer. Nat. 93: 145-159.
Jaksic, F. M. and Braker, H. E. (1983) Food-niche relationships and guild structure of diurnal
birds of prey: competition versus opportunism. Can. J. Zool. 61: 2230-2241.
Kushlan, J. A. (1978) Feeding ecology of wading birds. Wading Birds 7: 249-297.
Lawlor, L. R. (1980) Overlap, similarity, and competition coefficients. Ecology 61: 245-251.
Lawlor, L. R. and Maynard-Smith, J. (1976) The coevolution and stability of competing species.
Amer. Nat. 110: 79-99
Levins, R. (1968) Evolution in changing environments. New Jersey: Princeton University Press.
MacArthur, R. H. (1972) Geographical ecology: patterns in the distribution of species. New York:
Harper and Row.
Singh, N., Sodhi, N. S. and Khera, S. (1988) Biology of the Cattle Egret, Bubulcus ibis coromandus
(Boddaert). Rec. Zool. Surv. India, Occ. Pap. 104: 1-143.
Sodhi, N. S. (1985) Food of the Black-crowned Night Heron nestlings. Pavo 23: 47-52.
Sodhi, N. S. (1986) Feeding ecology of Indian Pond Heron and its comparison with that of Little
Egret. Pavo 24: 97-112.
Sodhi, N. S. (1989) Monthly variations in the diet of the Cattle Egret (Bubulcus ibis) in and
around Chandigarh. J. Bombay Nat. Hist. Soc. 86: 440-443.
Sodhi, N. S. and Khera, S. (1986) Feeding habits of the Median Egret. Res. Bull. Panjab Univ.
37: 9-12.
Sokal, R. R. and Rohlf, F. J. (1969) Biometry. San Francisco: Freeman.
Wiens, J. A. and Rotenberry, J. T. (1980) Patterns of morphology and ecology in grassland and
shrubsteppe bird populations. Ecol. Monogr. 50: 287-308.
Navjot S. Sodhi, Department of Veterinary Anatomy, University of Saskatchewan, Saskatoon,
Saskatchewan S7N OWO, Canada.
APPENDIX
Prey categories shared by different herons.
Indian Pond-Heron - Little Egret: Naiads of dragonflies, Crocothemus sp., Trithemis sp.,
Ischnura sp., Acheta sp., Hedotettix sp., Cybister sp., Erestes sp., Hydrophilus sp., Mydea sp.,
Sphaerodema sp., Ranatra elongata, Lycosa sp., Rana sp., Barilius sp., Nemacheilus sp.
Little Egret - Cattle Egret: Naiads of dragonflies, Crocothemus sp., Trithemis sp., Ischnura sp.,
Acheta sp., Mydea sp., Laxenera sp., Anomala sp., Calosoma sp., Lycosa sp., Rana sp., Rat.
Indian Pond-Heron - Cattle Egret: Pheretima sp., Naiads of dragonflies, Crocothemus sp.,
Trithemis sp., Ischnura sp., Gryllotalpa fossor, Tetragonoderus sp., Onthophagus sp., Episyrphus
balteatus, Mydea sp.. Caterpillars, Athalia proximo, Lycosa sp., Rana sp.
Black-crowned Night-Heron - Indian Pond Heron: Pheretima sp., Barilius sp., Nemacheilus sp.,
Ophiocephalus sp.
Black-crowned Night-Heron - Little Egret: Palaemonetes sp., Barilius sp., Nemacheilus sp.,
Barbus sp., Labeo sp., Lepidocephalus sp.
Black-crowned Night-Heron - Cattle Egret: Pheretima sp.
Intermediate Egret - Indian Pond-Heron: Sphaerodema sp., Acheta sp., Cybister sp.
Intermediate Egret - Little Egret Sphaerodema sp., Acheta sp., Cybister sp., Barbus sp.
Intermediate Egret - Cattle Egret: Acheta sp.
FORKTAIL7 (1992): 131-137
Breeding ecology of the Relict Gull Larus
relictus in Ordos, Inner Mongolia, China
ZHANG YIN-SUN, DING WEN-NING, BU HE and TIAN LU
Details are given of a large breeding population at Taolimiao-Alashan Nur, discovered in spring
1990, including a description of the site; attendance of the birds; breeding ecology, including
descriptions of the nests, eggs, incubation period and hatching success; also population density
and feeding behaviour. The site is considered to be inherently unstable because of the variable
rainfall of the region.
In 1985-1988, during the course of fieldwork on the avifauna of western
Inner Mongolia, we found four new sites for the Relict Gull Larus relictus in
Ordos: at Alashan, Bayandror, and Yeekzhao, and concluded that it might
breed in the area (Zhang Yin-sun et al. 1991). Then in spring 1990 we
discovered the largest known breeding population of the gull at Taolimiao-
Alashan Nur, central Ordos. Observations were carried out there in May-
June, 1990 as well as some short-term surveys in April, July and August in
surrounding areas.
DESCRIPTION OF THE BREEDING SITE
The Taolimiao-Alashan Nur (Nur in Mongolian language means small lake
or pond usually with salt water) is located at the junction of the Koobuchi
and Mausu deserts in central Ordos, 109°35'E and 39°48rN. The weather
there is quite dry with much wind and sandy dust; 130-139 frost-free days a
year; 35.8°C the highest and -32.6°C the lowest temperature; plenty of
sunshine and the rainfall concentrated in June-August with 325 mm a year
on average.
The lake is at an elevation of 1,368 m at the north-west end, rising to
1,392 m at the south-east end. The surroundings are mostly stabilised sand
dunes with a poor vegetation of typical eremophytes such as Nitraria
roporowskii, Oxytropis psammocharis, Artemisia ordosica, Achnatherum splendens,
Euphorbia kozlowi, Pycnostelma lateriflorum, Carex duriuscula and the artificial
windbreak woods of Salix cheilophila and Caragana korshinskii.
The lake is about 10 km2, 6 km long from east to west and 2.5 km the
maximum width, and contains hydrophytes such as Potamogeton filiformis,
P. natans, Cladophora, Mougeotia and Ulothrix.
OCCURRENCE AND DISTRIBUTION AT THE BREEDING SITE
In 1990, the first flock of the Relict Gull arrived at the site on 6 April and all
had gone by 28-29 August.
132
ZHANG YIN-SUN el al.
Forktail 7
Figure 1. Distribution of the Relict Gull ( Larus reliclus ) in Ordos.
During the breeding season we also found some other small flocks and/or
pairs at other sites i.e. 12 individuals on 30 April at Morenhe Reservoir,
about 20 individuals on 2-3 May at Balahai, two pairs on 18 May at Hardato
Nur, 12 birds on 18 May at Chigai Nur, 22 birds on 19 May at Ulan Nur,
and one pair on 1 9 May at Howtonchagan Nur, but there was no indication
of breeding at any of these sites.
Although the departure of all the birds from Taolimiao-Alashan Nur in late
August coincided with a sudden storm, it seems likely that they were moving
elsewhere in Ordos rather than migrating south for the winter since, on
6 November 1989, a flock of more than 100 birds was seen at Hongjian Nur,
southern Ordos (Zhang Yin-sun et al. 1991).
BREEDING ECOLOGY
The Relict Gull is a gregarious bird, usually gathering in flocks when feeding,
roosting and nesting, but keeping apart from other species of gulls. During
the breeding season, the gulls usually feed in an area of 2. 5-3.0 km radius,
roosting initially either on islets or on the lake shore and then, at the
commencement of incubation, entirely on the islets.
Our observations of 19-25 May showed that the daily rhythm of the gull
flock was as follows: at 04h00 some individuals started calling; 04h20, the
1992
Relict Gull in Ordos
133
flock called noisily; 04h30 a few birds flew to the southern beach; after 05h40
the birds that were not incubating flew off to feed; during the day, small
flocks of 10-30 birds could be seen feeding/resting along the lake shore while
100 or more fed amongst the sand dunes; about 18h30 the gulls returned to
the lake and the islets and, after 1 9h30 most birds actively fed on the water;
after dark, calling was heard from the lake and by 21h00 all the birds had
returned to the islets.
The breeding season of the gull lasts about two months from early May to
early July. During the fieldwork a total of 581 nests was found in eight
colonies on the three islets in the lake, The incubation period was 24-26
days. A random examination of 50 nests from different colonies showed that
the hatch rate was 1 00%.
Sexual behaviour occurred only in the region of the nest. The gulls started
mating when they were choosing a nest site and continued until the last egg
had been laid. Mating occurred through the day but was more concentrated
from 19hl0 to 19h50. In one couple the shortest interval between two bouts
of mating was 9 mins 29 secs.
All the nests were built near the southern beach, on the three islets, which
were 1,958 m2, 183 m2 and 11,625 m2 respectively. The distance between
the colonies averaged 21.4 (10-40) m while 0.5 m was the shortest distance
between nests.
Figure 2. Distribution of nest colonies of the Relict Gull Larus relictus and the Gull-billed Tern
Gelochelidon nUotica on islets .
134
ZHANG YIN-SUN et al.
Forktail 7
Figure 3. Increase in numbers of
nests of the Relict Gull, May-June
1990.
The first colony of six nests appeared on 8 May, and, after 24 May the
number of nests increased rapidly until 4 June.
Another main resident on the islets was the Gull-billed Tem Gelochelidon
nilotica, of which 77 nests were found; also found were a few nests of Black¬
winged Stilts Himantopus himantopus and Pied Avocets Recurvirostra avosetta.
The nest of the Relict Gull is simple: the female collects some small stones
to shape the base, and then deposits some small branches in it. The light nest
materials are dipped in the water first, to lessen the chance of them blowing
away in the wind. Some males often stole materials from other nests.
Measurements of 12 nests were 278 (230-320) mm outer diameter,
167 (140-190) mm inner diameter, 45 (30-70) mm high and 40.5
(30-55) mm deep.
The Relict Gull lays an egg every other day; of the 581 nests 20% had one
egg only, 41.3% two eggs, 38.6% three eggs, and there was one nest with
four eggs. Egg loss was caused either by sudden flights from the nest when
eggs were kicked and broken, or by males stamping on eggs after failing to
mate.
Most eggs are dark green with irregular black, brown or light chestnut
spots, but the colour of some eggs varied remarkably; two pure white ones
were the most extreme.
1992
Relict Gull in Ordos
135
Measurements of 12 eggs were 58.7 (54-66) g in weight and
60.9 (55.6-65.1) x 42.6 (40.3-44.3) mm in size.
In the Relict Gull, the incubation commences when the first egg has been
laid and the first young bird noted was on 2 June. Observations during
incubation of 12 marked nests throughout one day revealed that the male
and female change over on the nest 4-6 times and turn the eggs an average of
17 times. On 4-9 June we checked 50 nests at random in the seven colonies
and found a 100% hatching rate.
The newly hatched birds weigh 35-43 g and have light grey down. The
back and rump have tiny grey spots; the underparts are almost white; the iris
is blackish brown; the bill is black with a silvery nail; the legs are grey with a
very light violet tinge and the webs are also grey; the claws are blackish-
brown.
The death rate of the young birds is relatively high, mostly due to external
injury, cold and starvation. On several occasions males were noted pecking
brutally at young birds from other nests.
POPULATION DENSITY
Five censuses were carried out, all at the same time of day (19h30-20h40)
when the gulls were most concentrated on the lake or islets. The following
numbers were counted : 120 birds on 6 May, 319 on 10 May, 528 on
12 May, 1,034 on 2 June and 1,158 on 4 June, the last more or less
according with the 581 nests counted.
There were very few potential predators in the breeding area. Amur
Falcons Falco amurensis and Black Kites Milvus migrans were noted, but they
were not seen to attack either the adults or the young birds. Some carnivores,
Table . Nest density of the Relict Gull
136
ZHANG YIN-SUN el al.
Forktail 7
such as the Kitt Fox Vulpes corsac, Yellow Weasel Mustela sibirica and
Masked Polecat Mustela eversmanni, seem likely to be predators because
eaten remains of Garganey Anas querquedula and Whimbrel Numenius
phaeopus were found on the beach.
Bad weather conditions may severely affect the species: on 10 April more
than 20 adults were killed in a hailstorm.
FEEDING BEHAVIOUR
During the day the gulls fed on the lake shore, sand dunes and between the
windbreak woods, whilst in the evening they largely moved to the lake.
In the breeding season, the gulls feed mainly on invertebrates, more than
90% of which are midge larvae, with small numbers of damselfly nymphs and
beetles of the families Cicindelidae and Carabidae. Plant food includes algae,
the tender leaves of Nitraria roporowskii and Caragana korshinskii.
DISCUSSION
The Relict Gull is numerically the most important of 50 species of waterbirds
occurring at Taolimiao-Alashan Nur in the summer. Other Laridae present
were 240 Common Black-headed Gulls Larus ridibundus, 22 White-winged
Terns Chlidonias leucopterus, six Common Terns Sterna hirundo, two Little
Terns Sterna albifrons and 166 Gull-billed Terns.
There are other similar, large lakes in the Mausu and Koobuchi deserts,
such as Barhan Nur, Hardatu Nur, Chigai Nur and Ulan Nur, with
apparently suitable islets, but without breeding Relict Gulls. The Taolimiao-
Alashan Nur is a desert lake, fed only by rainfall and therefore inherendy
unstable. If there is too much rain, the islets would not provide enough area
for the nest colonies, and, if there is too little rain, the food resources would
be quickly depleted. The reproductive success of the Relict Gull in 1990 at
Taolimiao-Alashan Nur suggests that the species may well spread to other
lakes. Other gulls and terns were not noted to compete with the Relict Gull
for food resources, but there is clearly some overlap in colony site selection
because the Relict Gull was often noted taking over nests of the Gull-billed
Tern.
The Relict Gull arrived at Taolimiao-Alashan Nur over a period of nearly
two months from 6 April to 3 June. The birds that arrived early spent several
days (or even weeks) before mating, while the birds that arrived later
immediately got down to breeding; each colony usually consisted of birds
arriving as a flock. It is possible, therefore, that the flocks might come from
different wintering sites; however, the wintering places of the species are still
uncertain.
We would like particularly to express our gratitude to Mr He Fen-qi of the Institute of Zoology,
1992
Relict Gull in Ordos
137
Academica Sinica and the Endangered Species Scientific Commission (CITES-China) for his
kind advice and his translation of the whole paper into English.
REFERENCE
Zhang Yin-sun, Liu Chang-jiang, Tian Lu and Bu He (1991) Recent records of the Relict Gull
Larus relictus in western Nei Mongol autonomous region, China. Forktail 6: 66-67.
Zhang Yin-sun and Ding Wen-ning, Institute of Zoology, Academica Sinica, 19 Zhongguancun Lu,
Haitien, Beijing, China.
Bu He and Tian Lu, The Inner Mongolia Forestry Institute, China.
FORKTAIL7 (1992): 139-146
Recent observations from Xinjiang
Autonomous Region,
China, 16 June to 5 July 1988
RICHARD GRIMMETT and HELEN TAYLOR
The birds seen in Xinjiang (Sinkiang) Autonomous Region, China, between 16 June and 5 July,
1988 are documented, including the first records for China of Collared Pratincole Glareola
pratincola and Savi’s Warbler LocusteUa luscinioides, and the second record for China of Eurasian
Reed-Warbler Acrocephalus stirpaceus.
From the 16 June to 5 July 1988 the authors visited, as tourists, the Xinjiang
Autonomous Region of western China. Time was spent mainly in the plains
along the northern rim of the Tarim Basin and in the vicinity of Bosten Lake.
There is very little published information on the birds of this area.
W. L. Abbott visited the northern Tarim Basin in the autumn of 1893
(Richmond 1895) and F. Ludlow collected in the northern basin between
Kashi (Kashgar) and Jam near Aksu between 17 November 1929 and
13 April 1930, and again from 15 to 29 September 1930, and also
documented the observations and collections of G. Sherriff (Ludlow and
Kinnear 1933-1934). Cheng (1987) has summarised other relevant
information. Of particular interest, and providing considerable motivation for
the visit, was the presence in this part of China of two species of ground jay
Podoces, namely Henderson’s P. hendersoni and Biddulph’s P. biddulphi.
LOCALITIES VISITED
The following were the main localities visited with a brief description of the
habitats found.
Where possible, place names used in the text follow the spelling in the
Times atlas of the world (6th edition), with the names used by Ludlow and
Kinnear (1933-1934) in parentheses.
1. Kashi (Kashgar) Oasis; 18-23 June.
This is an extensive and fertile oasis, up to 120 km wide. Birdwatching
was concentrated in the following areas:
(i) Agricultural land west of the city, typical of the oasis with fields mainly
of wheat lined by rows of tall poplars Populus.
(ii) A tributary of the Kashi River (the first river that bisects the oasis to
the south-west of the city) flanked mainly by rice paddies and grazing
pasture. Of particular interest was the northern bank, down-river from
140
R. GRIMMETT and H. TAYLOR
Forktail 7
the main Kashi to Sufu road, where there is a large area of reed- and
sedge-beds (some on abandoned rice paddies) with cultivated and
fallow paddies lined with rows of willow Salix. The river is fast¬
flowing, broken by gravel- and sand-banks.
(iii) An area of stony desert with sparse low vegetation and low bare hills
at Wupah, approximately 50 km south-west of Kashi. This area was
visited because it was believed to be Opel, where Sherriff collected
Henderson’s Ground Jay Podoces hendersoni in 1930 (Ludlow and
Kinnear 1933-1934).
(iv) An area of stony desert, tamarisk scrub, dry cultivation, and paddy
fields, marshes and grazing pastures along a small river, west of Sufu
and approximately 30 km south-west of Kashi.
(v) An area of stony desert with low scrub and dry cultivation around the
abandoned town of Hanoi, on the eastern edge of the Kashi oasis.
2. Aqal Oasis and surrounding desert; 25-27 June.
An elongated oasis west of Aksu; less intensively cultivated than large parts
of the Kashi Oasis with many fallow and overgrown fields. To the north of
the oasis is a stretch of the piedmont gravel zone (that forms a continuous
band between the sandy Taklimakan Desert and the barren foothills of the
Tian Shan), where Henderson’s Ground Jay was searched for. To the
south, is sandy desert that in parts is quite densely vegetated with shrubs
including tamarisk Tamarix and in other parts is very degraded due to
grazing by camels and the removal of vegetation for firewood and fodder.
3. Bosten Lake; 1-3 July.
One of China’s largest freshwater lakes. There are extensive reedbeds,
particularly on the western side where there are numerous small lakes and
meandering canals. The reedbeds provide the raw material for a large
paper-making industry in Korla. At the edge of the reedbeds there are
cattle-grazing marshes. Time was spent in the south-western comer,
staying at the western pumping station, where there is a large fish-rearing
pond.
4. Puhui Oasis and surrounding desert; 4-5 July.
A new and rapidly expanding state farm on the outskirts of the main Korla
Oasis (52 km from the city). Time was spent at a small salt lake
surrounded by freshwater marshes to the west of the village; at a desert
poplar forest (apparently a protected area) along the Kongi (Peacock)
River with freshwater pools and marshes and a large freshwater reservoir,
and in the sandy desert between Puhui and the Korla Oasis. The desert
west of Puhui is heavily exploited for firewood and camel grazing.
1992
Bird observations for Xinjiang
141
Plate 1. Poplar Populus sp. forest, Puhui (breeding habitat of Saxual Sparrow). Photo: Helen Taylor.
Plate 2. Severely degraded desert, Puhui. Photo: Helen Taylor.
Plate 3. Vegetated desert, Puhui. Ground Jay habitat. Photo: Helen Taylor.
142
R. GR1MMETT and H. TAYLOR
Forktail 7
OBSERVATIONS OF PARTICULAR INTEREST
COLLARED PRATINCOLE Glareola pratincola Two birds were seen in an
area of paddy fields, c.30 km south-west of Kashi on 21 June. The birds were
in full breeding plumage. They were seen well and showed red under wing-
coverts (eliminating Black-winged Pratincole Glareola nordmanni ), and dull-
brown breast (not peachy-orange) and the tail-streamers extended back as far
as the folded wing-tips (thus eliminating Oriental Pratincole G. maldivarum).
This species is not listed in Cheng (1987) and this record would seem to
constitute the first for China.
SAVES WARBLER Locustella luscinioides At least four birds were found
singing in the Phragmites beds along a tributary of the Kashi River, south¬
west of Kashi city, between 18 and 23 June. One bird was seen very well and
tape-recorded. It was olive-brown above, with creamy-white throat and
supercilium and brownish-buff on the underparts, with darker undertail
coverts and faint paler fringes to under tail-covert feathers. The song was a
low monotonous insect-like trill, characteristic of the species. A further one to
two birds were heard singing at Bosten Lake on 2 July.
This species is not listed in Cheng (1987), but is mentioned as a species
recorded by Sudilovskaya in the Tien Shan, although not confirmed for
China, by Cheng (1976), and these would seem to constitute the first
documented records for China. The species was recorded at the same locality
at Kashi by H. Dissing, S. Jensen and M. F. Jorgensen in July 1989 (Dissing
etal. 1990).
EURASIAN REED-WARBLER Acrocephalus scirpaceus At least eight birds
were seen or heard singing in the Phragmites beds along a tributary of the
Kashi River south of Kashi between 1 8 and 23 June. Several birds were seen
well and tape-recorded. One bird was seen feeding a recently fledged juvenile
on 19th. The adults were dull grey-brown above including rump, without
any obvious rufous, olive or greenish tones, and greyish-white on the
underparts; legs were grey; primary projection appeared as long as the length
of exposed tertials. The rambling and scratching song was characteristic of
the species, and the tape-recording has been compared with the recorded
songs of other Acrocephalus warblers to eliminate similar species. A further
two birds were heard singing at Bosten Lake on 2 July.
This species is listed by Cheng (1987) as a vagrant on the basis of a record
for Zhenjiang, Jiangsu Province on 9 October 1921 (Kolthoff 1932). These
observations would seem to constitute the only other records for China and
the first breeding record for the country. The species was recorded at the
same locality at Kashi by H. Dissing et al. in July 1989 (Dissing et al. 1990).
OTHER OBSERVATIONS
A full list of species recorded in Xinjiang between 16 June and 5 July 1988 is
1992
Bird observations for Xinjiang
143
given in the appendix. Of special interest are the records of Little Bittern
Ixobrychus minutus, Booted Eagle Hieraaetus pennatus and Houbara Bustard
Chlamydotis undulata, which are described as very rare in China (Cheng
1987), and White-winged Woodpecker Picoides leucopterus, Saxaul Sparrow
Passer ammodendri and Biddulph’s Ground Jay Podoces biddulphi, which are
central Asian specialities. Despite searching in what was thought to be
suitable habitat, there were no sightings of Henderson’s Ground Jay Podoces
hendersoni.
The authors are grateful to Tim Inskipp and Craig Robson for providing copies of relevant papers
and their encouragement, and to Professor Tan Yao-Kuang for access to skins held at the
Institute of Zoology, Beijing and for drawing our attention to the note referring to Savi’s Warbler
in Cheng (1976).
REFERENCES
Cheng Tso-hsin (1976) [Distributional list of Chinese birds.] Beijing: Peking Institute of Zoology.
(In Chinese).
Cheng Tso-hsin (1987) A synopsis of the avifauna of China. Beijing: Science Press.
Dissing, H., Jensen, S. and Jorgensen, M. F. (1990) Pakistan and Xinjiang. Copenhagen: Dansk
Omitologisk Forening.
Grimmett, R. (1991) Little-known Oriental bird: Biddulph’s Ground Jay. Oriental Bird Club Bull.
13: 26-29.
Kolthoff, K. (1932) Studies on birds in the Chinese provinces of Kiangsu and Anwhei, 1921-
1922. Goteborgs Kungl. Vetenak. Vitterh. Samh-Handl. 5 Foljden, ser. B. 3: 1-190.
Ludlow, F. and Kinnear. N. B. (1933-1934). A contribution to the ornithology of Chinese
Turkestan. Ibis (13)3: 240-259, 440-473, 658-694; (13)4: 95-125.
Richmond, C. W. (1895) Catalogue of a collection of birds made by Dr. W. L. Abbott in eastern
Turkestan, the Thian-Shan Mountains, and Tagdumbash Pamir, Central Asia, with notes on
some of the species. Proc. U.S. Nat. Mus. 18 (1083): 569-591.
Richard Grimmett and Helen Taylor, 3 Madras Road, Cambridge, CB1 3PX, U.K.
144
R. GR1MMETT and H. TAYLOR
Forkiail 7
APPENDIX
LIST OF BIRDS RECORDED IN XINJIANG AUTONOMOUS
REGION, CHINA, 16 JUNE-5 JULY 1988
Species
Black-necked Grebe
Podiceps nigricollis
Great Crested Grebe
Podiceps cnstatus
Great Cormorant
Phalacrocorax carbo
Great Bittern
Botaurus stellans
Little Bittern
Ixobrychus minutus
1
Great Egret
Egretia alba
Grey Heron
Ardea ctnerea
Black Stork
Ciconia nigra
Ruddy Shelduck
Tadoma ferruginea
Common Shelduck
Tadoma tadoma
Mallard
Anas platyrhynchos
Gadwall
Anas strepera
Northern Pintail
Anas acuta
Garganey
Anas querquedula
Red-crested Pochard
Netta rufina
Ferruginous Pochard
Aythya nyroca
Black Kite
Miivus mi grans
Western Marsh Harrier
Circus aeruginosus
Common Buzzard
Buteo buteo
Long-legged Buzzard
Buteo rufinus
Booted Eagle
Hieraaetus pennatus
Eurasian Kestrel
Falco tinnunculus
Northern Hobby
Falco subbuteo
Common Pheasant
Phasianus colchicus
Houbara Bustard
Chlamydotxs undulata
Water Rail
Rallus aquaticus
Common Moorhen
Gallinula chloropus
Locality Remarks
2 3 4
* 5+ at the salt lake, Puhui. Described as rare in China (Cheng 1987).
* * 30+ at Bosten Lake, some with young; pair with young at Puhui.
3 sightings plus another two booming’ at Bosten Lake.
1 female along River Kashi; 7 seen at Bosten Lake and probably fairly
common at this site and most likely breeding. Described as very rare in
China, as a migrant and winter visitor to Xinjiang Aut. Reg. (Cheng
1987).
* At least 5 at Puhui and frequently seen soaring over the poplar forest
which is suitable breeding habitat. Described as rare in China (Cheng
1987).
* 100+, including many juveniles on the salt lake at Puhui.
* 40+, including many flightless young on the salt lake at Puhui.
* * *
Commonest duck at Bosten Lake.
* 2 displaying over the desert at Puhui.
* At least two birds over the main Kashi Oasis. Two birds at Puhui, one
displaying and calling over the poplar forest. Described as very rare in
China, breeding only in Xinjiang Region (Cheng 1987).
Male and female with at least one chick.
Seen well, about 10 km south into the sandy desert from Aqal Described
as very rare in China (Cheng 1987).
1992
Bird observations for Xinjiang
145
146
R. GRIMMETT and H. TAYLOR
Forktail 7
Species
Locality
12 3 4
Remarks
Yellow-hooded Wagtail
Motacilla citreola
White Wagtail
Motacilla alba
Isabelline Shrike
Lamus isabeliinus
Great Grey Shrike
Lamus excubitor
Bluethroat
Erithacus svecicus
Desert Wheatear
Oenanihe deserti
Isabelline Wheatear
Oenanihe isabellina
Bearded Tit
Panurus biarmicus
Savi’s Warbler
Locustella luscinioides
Eurasian Reed-Warbler
Acrocephalus scxrpaceus
Paddyfield Warbler
Acrocephalus agncola
Great Reed Warbler
Acrocephalus arundinaceus
Booted Warbler
Hippolais ccdigata
Barred Warbler
Sylvia nisoria
Desert Lesser Whitethroat
Sylvia curruca minula
Desen Warbler
Sylvia nana
Chinese Hill Warbler
Rhopophilus pekinensis
Red-headed Bunting
Emberiza bruniceps
Common Reed-Bunting
Emberiza schoenidus
Desert Finch
Rhodopechys obsoleta
Saxaul Sparrow
Passer ammodendn
Spanish Sparrow
Passer hispaniolensis
Eurasian Tree Sparrow
Passer montanus
Common Starling
Stumus vulgaris
Eurasian Golden-Oriole
Oriolus oriolus
Black-billed Magpie
Pica pica
Biddulph’s Ground Jay
Podoces biddulphi
Carrion Crow
Corvus corone
* * *
Very common at Bosten Lake, many with young.
Juveniles at Kashi, Aqal, and Bosten Lake.
Recently fledged juveniles at Kashi; many singing at Bosten Lake.
Recendy fledged juveniles at Kashi.
Recendy fledged juveniles at Kashi.
Common at Bosten Lake, including many juveniles,
see main text,
see main text.
5+ males holding territory in a poplar grove in Aqal town. Described as
rare in China (Cheng 1987).
Common at Puhui. Described as rare in China (Cheng 1987).
4+ males holding territory in the gravel desert to north of Aqal.
Common in the agricultural land between Korla and Puhui; otherwise
single males at Kashi and Aqal. Described as rare in China (Cheng
1987).
Single bird at Hanoi, Kashi on 22.6.88; 7 in the desert south of Aqal;
common in the desert poplar forest and surrounding desen at Puhui
where a pair was seen feeding young with black berries from a desen
shrub, in hole about 2m up in a desen poplar.
Family party of at least 6 in the desert between Korla and Puhui. For
further information see Grimmett (1991).
Key
Locality 1 = Kashi Oasis and surrounding desert; Locality 2
Lake; Locality 4 = Puhui Oasis and surrounding desert.
Aqal Oasis and surrounding desert; Locality 3 = Bosten
= recorded
FORKTAIL7 (1992): 147-150
Observations on the Luzon Water
Redstart Rhyacomis bicolor in the
Mount Pulog National Park,
Philippines
C. YDING ANDERSEN, M. K0IE POULSEN, O. F. JACOBSEN
and M. HEEGARD
The Luzon Water Redstart Rhyacomis bicolor is endemic to the Philippines, and is only found
along streams in the mountainous regions of the island of Luzon. There have been only a few
records of this bird, and information about its distribution, habitat and biology is very limited.
Observations of the species in the Mount Pulog National Park are reported. A total of nine birds
was observed in several different locations. One male was mist-netted and released after
measurements and a blood sample for DNA analysis had been taken. The Mount Pulog National
Park still contains enough habitat to sustain a considerable number of birds and the park currently
represents a stronghold of this species.
The International Council for Bird Preservation is currently carrying out a
biodiversity project, part of which has involved collecting all available
information on a large number of Philippine species. However, little has
emerged concerning the Luzon Water Redstart. The species was first
described by Ogilvie Grant (1894a), after the collection of one male by
J. Whitehead in Benguet sub-province. Two other papers by Ogilvie Grant
(1894b, 1895) and one by Whitehead (1899) give very little extra
information. McGregor (1910) collected one immature male, at about
1,000 m in early July 1908, at Lutab, Benguet sub-province. The only other
mention of the species in the literature is by Dickinson et al. (1991), who
state that it is known south to Dalton Pass (specimen in Delaware Museum
of Natural History) and east to the Sierra Madre Mountains in Quirino sub¬
province (sight record by R. S. Kennedy). An increase in ornithological
activity in the 1980s has resulted in the discovery of a new locality near
Banaue, Ifugao province, where it has been observed several times (ICBP
Biodiversity Project), and there are unpublished observations from Isabella
province in the Sierra Madre Mountains.
An expedition by the Danish Ornithological Society and ICBP stayed for
more than a month in the Mount Pulog National Park during December
1990 and January 1991. Several Luzon Water Redstarts were observed.
LOCATION
The Mount Pulog National Park is situated in Benguet sub-province in the
mountainous region of central Luzon (16°35'N 120°56'E). The park
surrounds the highest mountain on Luzon, Mount Pulog (2,930 m) and
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C.Y. ANDERSEN ei al.
Forktail 7
covers an area of 11,500 ha. The mountain range Cordillera Central runs
through the park in a north-south direction. The park stretches down to an
altitude of 1,200-1,800 m on each side of the mountain range. The park
contains three main habitat types, the most prominent being the mossy
forest, which is found from 1,500-2,600 m. This habitat contains mainly
oaks, rhododendrons and ferns, indicating an acid soil. At lower elevations
pine forest and tropical montane forest are also found. The sources of several
streams and rivers are on each side of the mountain range and some of these
have become quite powerful by the time they run out of the park. The
streams contained clear, potable water, with no signs of suspended earth and
mud. The earthquake in July 1990 destroyed roads leading to the park,
making it difficult to transport cultivated crops. There was no cultivation at
the time of this study but it was evident that previously cultivated areas had
been treated with large amounts of fertilisers, herbicides and pesticides.
OBSERVATIONS AND DESCRIPTIONS
The redstart was found on both sides of the Cordillera Central. A total of
nine birds was observed, with five on the western side and four on the eastern
side. Observations were made in the subtropical zone at an altitudinal range
of 1,200-1,900 m. The total observation time was more than two hours. The
male is distinctly patterned in three colours. The head, back, throat and
breast are intense dark slate-blue, while the rump, tail, belly and undertail
coverts are bright chestnut and the wings are sooty-black. The female is
much duller, chestnut and dark brownish-black with a slight metallic sheen.
By placing a mist-net across the river at Atapuan near the western border
of the park one male was caught on 17 December 1990. The following
biometrics were taken:- bill: 14 mm (measured from the feathers at the base
of the culmen to the tip of the upper mandible); wing: 81 mm (measured
from the bend of the flattened wing to the longest primary tip); tail: 60 mm
(measured from the base of the longest feather to the distal end); tarsus
30 mm. Furthermore, a tiny blood-sample was taken, puncturing the wing-
vein before the bird was released (for technique see Arctander 1988). The
blood sample is now included in the DNA collections of the Zoological
Museum of Copenhagen.
The redstart was only found along fast-flowing mountain streams, several
metres wide and with an estimated waterflow of more than 1 5 m3 per minute.
The banks were rocky, and the surrounding habitat was either tropical
montane forest or pine forest. Birds were mainly seen on rocks in, or nearby,
streams, although one bird was observed in a bush by a stream. The male
and female were seen together on several occasions. The birds moved quickly
around from boulder to boulder, feeding on insects either in the water or in
the air. The birds never went completely into the water, but caught aquatic
insects while standing on the edge of a stream. Occasionally, birds were seen
flying up to 1 m in the air to catch insects, in the same manner as a
flycatcher.
1992
Luzon Water Redstart
149
One pair of birds was followed along a stream and it was noted that from
the upper to the lower turning point was an estimated distance of 500 m;
probably the length of their territory.
When the birds became excited the tail was moved up and down in the
same manner as that of a wagtail Motacilla.
Two distinct calls were heard. The one heard most frequendy was a high-
pitched ‘iiiih-iiiih’ sound. This call has also given the bird its local filipino
name, king-king. The second call was only heard once, when the captured
male was released and met the female. The call was relatively weak, of
approximately one second duration and was composed of several (6-8)
different high-pitched tones.
LOCAL INFORMATION
Interviews with several local people in different parts of the park suggested
that the Luzon Water Redstart is well-known and found along all streams
inside the park. The people said that the nest is made below rocks next to
streams, and is often made from pine-needles. The nest contains from two to
four eggs, usually three. The eggs are white with red spots. The breeding
season is said to be June - August.
DISCUSSION AND CONCLUSIONS
The data obtained in the Mount Pulog National Park add to previously
published information about the Luzon Water Redstart. The park is still a
stronghold for the species, but its long term survival here is threatened.
Clearings and establishment of new cultivated areas inside the mossy forest of
the Mount Pulog National Park occur at an alarming rate. If these clearings
continue, erosion will start to occur. This will influence water quality, and the
increased use of fertilisers, herbicides and pesticides by the new farmers will
lead to deterioration in the water quality and may diminish the food supply of
the redstart.
Clear water arising from acid soil usually harbours an oligotrophic milieu,
which favours a rich fauna of heterometabolous insect larvae (Ephemeroptera
and Plecoptera). Such insect larvae may be an important constituent of the
food supply of the redstart. Factors like these will inevitably have a negative
effect on the population of the Luzon Water Redstart.
However, a strong effort from the “WWF debt for nature swap program” is
now being enforced in an attempt to save the forest of the Mount Pulog
National Park.
The Aage V. Jensen Foundation is thanked for financial support to carry out the Finn
Salomonsen’s Memorial Expedition. The ICBP, Cambridge, UK, Department of Environment
and Natural Resources (DENR), Philippines, branches in Manila and Baguio, and the Zoological
Musuem of Copenhagen are all thanked for help in planning and carrying out this expedition.
150
C.Y. ANDERSEN et al.
Forktail 7
Special thanks to the rangers and personnel of the Protected Area and Wildlife Bureau in Baguio,
who accompanied us in the field and made this work possible.
REFERENCES
Arctander, P. (1988) Comparative studies of avian DNA by restriction fragment length
polymorphism: convenient procedures based on blood samples from birds. J. Om. 129: 205-
216.
Dickinson, E. C., Kennedy, R. S. and Parkes, K. C. (1991) The birds of the Philippines. B.O.U.
Check-list No. 12. Tring: British Ornithologists’ Union.
International Council for Bird Preservation (1991) Biodiversity Project Progress Report No. 4.
Cambridge, UK.
McGregor, R. C. (1910) Birds from Pauai and Mount Pulog, subprovince of Benguet, Luzon.
Phil. J. Science 5D: 135-138.
Ogilvie Grant, W. R. (1894) On the birds of the Philippine Islands, Part II. The highlands of
north Luzon, 5000 feet. Ibis 6(6): 501-522.
Ogilvie Grant, W. R. (1894) Description of new birds from northern Luzon. Bull. Bnt. Om. Club
3: 49-51.
Ogilvie Grant, W. R. (1895) On the birds of the Philippine Islands, Part V. The highlands of the
province of Lepanto, north Luzon. Ibis 7(1): 433-472.
Whitehead, J. (1899) Field-notes on birds collected in the Philippine Islands in 1893-6. Part II.
Ibis 7(5): 210-246.
C. Yding Andersen, M. Kme Poulsen, O. Frode Jacobsen, and M. Heegaard, Danish Ornithological
Society, Vesterbrogade 140, DK-1640 Copenhagen V, Denmark.
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The distribution of the Relict Gull
Lams relictus in Maowusu Desert,
Inner Mongolia, China
HE FEN-QI, ZHANG YIN-SUN, WU YONG and GAO TIE-JUN
A large breeding colony of the Relict Gull Lams relictus was found at
Taolimiao-Alashan Nur in 1990; then in 1991 a larger breeding colony of
624 nests, a flock of about 420 non-breeding birds and some other scattered
individuals at other localities were discovered, making a total of more than
2,730 individuals in Ordos in 1991.
During a study of the breeding ecology of the Relict Gull Larus relictus,
from 3 May to 25 June 1991, information was collected on the distribution of
the species, as well as on its population in Maowusu desert in Ordos. The
region surveyed was approximately within the limits 38°35'-39°55N and
108°45'-1 10°00'E, with an area of about 18,020 km2, and included 21 lakes
of different sizes, at some of which the species had been noted in 1990.
The species was recorded at ten localities, including two sites with breeding
colonies and one site with a large flock of non-breeding individuals
(Figure 1).
At Taolimiao-Alashan Nur, the breeding site found in Ordos in 1990
(Zhang Yin-sun et al. this issue), a total of 491 nests had been found by 3
June compared with 581 by 4 June 1990. However, the gulls laid 1,236 eggs,
with an average of 2.52 eggs/nest in 1991, compared with 1,272 eggs and
2.19 eggs/nest in 1990.
A new breeding site of the Relict Gull was discovered at Aubai Nur, which
is the furthest south-west that the species has so far been found breeding, and
this is also the largest known colony.
Aubai Nur is an isolated lake in the hinterland of Maowusu desert,
38°55N and 108°48'E, about 155 km south-west of Taolimiao-Alashan Nur,
and is surrounded by mobile or semi-stabilised sand dunes. The lake is at an
elevation of 1,314-1,321 m, highest in the north-west and lowest in the
south-east, and has a water surface of about 5.5 km2. The water is rather
alkaline (pH 9.0).
Aubai Nur is still relatively undisturbed by human economic activities.
There are four islets in the middle of the lake, designated A, B, C, D from
north to south. Islet A is the largest, and is about two-thirds covered by reeds.
The islets were visited on 17 June from 09h00 to 18h30 to count nests. A
total of 624 nests was counted on the four islets: 518, 48, 6 and 52 on islets
A, B, C and D respectively. Newly hatched young totalled between 1,000
and 1,100.
Another resident of the lake was the Gull-billed Tern Gelochelidon nilotica,
with more than 680 nests found. About 200 nests were on the islets and there
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Figure 1. Distribution and
numbers of Relict Gulls
Lams relictus in Maowusu desert,
Ordos in 1990 and 1991.
were two colonies on the lake shore consisting of 432 and 46 nests
respectively.
There were also some Pied Avocets Recuruirostra avosetta nesting on the
sandbank.
No small or medium-sized carnivores were noted in the area. Black Kites
Milvus migrans were twice seen preying on young Relict Gulls.
The flock of non-breeding birds at Hadato Nur appeared to consist entirely
of adult plumaged birds. According to local shepherds, the highest numbers
of the gull occur in July and August but some remained until late September,
usually departing in early October.
The total number of Relict Gulls in Maowusu desert in 1991 was at least
2,730 individuals, including 1,115 breeding pairs. There are some lakes and
other wetlands in the Maowusu desert still unexplored which might be
suitable for the species, and it is possible that it also occurs in the Kubuchi
desert north of the Maowusu and along the Yellow River; the total number of
Relict Gulls in Ordos might therefore be higher than the currently known
figure.
Zhang Yin-sun (1991) suggested that the Relict Gull overlaps with the
Brown-headed Gull L. brunnicephalus in western Inner Mongolia. Recently,
Duan Wen-rui found one nest of the Brown-headed Gull at Chagan Nur,
Xilinguole League, eastern Inner Mongolia, indicating that the two species
overlap quite extensively.
1. Boerjiang Nur: 48 birds (13 May 1991), 8 birds (17 May 1991).
2. Taolimiao-Alashan Nur: 491 nests (3 June 1991), 581 nests (4 June 1990).
3. Hojia Nur: 36 birds (1 1 May 1991), 15 birds (12 June 1991).
4. North Hadato Nur: 48 birds (15 June 1991).
5. Chigai Nur: no birds (15 June 1991), 12 birds (19 May 1990).
6. Hadato Nur: 426 birds (16 June 1991), 4 birds (19 May 1990).
7. Ulan Nur: 2 birds (15 June 1991), 22 birds (19 May 1990).
8. Quitz Nur: 5 birds (16 June 1991), no birds (19 May 1990).
9. Haotongchagan Nur: 1 bird (16 June 1991), 2 birds (19 May 1990).
10. Aubai Nur: 624 nests (17 June 1991).
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It has been suggested that the Relict Gull was once widely distributed in
most parts of central and eastern Asia, but has now been reduced to limited,
disjunct colonies (Auezov 1971). If this supposition is correct it is difficult to
explain the fluctuation in populations of the species at Ala Lake (Auezov
1975, Knystautas 1987) and at Torey Lake (Potapov 1971, Il’ichyev and
Zubakin 1988) and the apparently recent appearance at Wuliangsu Hai
(Xing Lianlian et al. 1988, Zhang Yin-sun et al. 1991).
The Relict Gull is a desert species inhabiting inland lakes (Zhang Yin-sun
et al 1991 and this issue). In Ordos the gulls usually frequent the saltwater
lakes with a pH of 8.5+ and at an altitude of 1,200-1,500 m. The breeding
site at Taolimiao-Alashan Nur is apparently long-established; according to
the lake- watchman Mr Ge Ming-liang, in 1953 when his family moved to the
lake shore, numerous gulls were nesting on islets in the lake and have been
noted every year since.
Knowledge of the avifauna of Ordos has, until very recendy, been poor -
Seys and Licent (1933) described some birds collected in Ordos and a few
other birds have been collected (Zhang Yong-rang et al. 1983) - but it was
not until 1987 that a more comprehensive survey was carried out, providing
more information on the birds of the area. It seems likely that the Relict Gull
may be discovered in new localities in Ordos in the near future.
The main wintering range and habitat, as well as the migration routes of
the Relict Gull are still uncertain. At Taolimiao-Alashan Nur it was noticed
that almost all of the gull flocks, usually consisting of 20-30 individuals,
arrived and departed due north and south respectively. It seems quite
possible that the Relict Gull migrates overland, and perhaps even winters
inland in flocks.
Some other waterbirds which breed in the highlands of Inner Mongolia,
such as Black-necked Grebe Podiceps nigricoUis, Greylag Goose Anser anser,
Ruddy Shelduck Tadoma ferruginea, Red-crested Pochard Netta rufina and
Common Pochard Aythya ferina are often found wintering in the highlands of
south-western China, and it may be that the Relict Gull is also found there in
winter.
We would like particularly to express our sincere gratitude to the Oriental Bird Club for the
honourable decision that they made of granting us their Forktail-Leica Award 1990 which
provided us an opportunity to continue our fieldwork, leading to the results set out in this paper.
REFERENCES
Auezov, E. M. (1971) [Taxonomic evaluation and systematic status of Lams relictus.] Zool. J.
Acad Set. Moscow 50: 235-242. (In Russian.)
Auezov, E. M. (1975) [ Larus relictus at Lake Alakol’.] Pp. 58-59 in [Colonies of waterbirds and their
protection .] Moscow. (In Russian.)
Il’ichyev, V. D. and Zubakin, V. A. (1988) [Birds of the U.S.S.R.: seabirds.] Moscow: Izdatyelstvo
Nauk [Publishers of Science]. (In Russian.)
Knystautas, A. (1987) The natural history of the U.S.S.R. London: Century.
Potapov, R. L. (1971) [A find at the Torey lakes.] Priroda 5: 77-81. (In Russian.)
Seys, G. and Licent, E. (1933) La collection d’oiseaux du Musee Hoangho Paiho de Tien Tsin.
Publ. Mus. Hoangho Paiho Tien Tsin 19.
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Xing Lianlian (1988) [Studies of faunal and ecological distribution of birds in the Wuliangsuhai
region, Nei Mongol.] Acta Sci. Nat. Univ. Intramong. 19: 524-534. (In Chinese.)
Zhang Yin-sun (1991) [New finding of a breeding population of the Relict Gull in Ordos.]
Chinese J. Zool. 26(3): 32-33. (In Chinese.)
Zhang Yin-sun, Liu Chang-jiang, Tian Lu and Bu He (1991) Recent records of the Relict Gull
Larus relictus in western Nei Mongol autonomous region, China. Forktail 6: 66-67.
Zhang Yong-rang (1983) [A preliminary study of birds on the Ordos plateau of Inner Mongolia,
China.] Acta Sci. Nat. Univ. Intramong. 14: 46-53. (In Chinese.)
He Fen-qi and Zhang Ym-sun, Institute of Zoology, Academica Sinica, 1 9 Zhongguancun Lu, Haitien,
Beijing, China.
Wu Yong and Gao Tie-jun, Forestry Department of Inner Mongolia Autonomous Region, China.
Feeding technique of a White-browed
Crake Porzana cinerea
ECKHARD MOLLER
On 29 December 1990 in a marsh area just outside the western border of
Khao Sam Roi Yot National Park, Thailand, we (a group of German and
Swiss birdwatchers) observed a White-browed Crake Porzana cinerea feeding
at a distance of 30-50 m. During a period of about ten minutes the bird
appeared out of the reeds for about 30 seconds to one minute at a time,
before entering the dense vegetation again. It was feeding whilst walking over
floating vegetation in a ditch (about 3 m broad) that was covered with the
leaves of water-lilies Nymphaeaceae. Scattered stems of bulrush Typha gave
enough cover for the bird. On several occasions the crake, while standing on
a floating leaf, trampled vigorously, alternating from one foot to the other for
periods of one to two seconds, causing the leaf to become submerged. After
each bout of activity the crake started to pick intensively after prey items that
appeared in the swirling water above the submerged leaf. We watched this
behaviour several times before the bird was lost to sight.
The foot-trampling movements reminded me of the similar behaviour of
Common Ringed Plover Charadrius hiaticula and Little Ringed Plover
C. dubius in sandy or muddy habitats (Glutz von Blotzheim et al. 1975), but I
found no reference to it in the literature referring to other Porzana species
(Glutz von Blotzheim et al. 1973, Cramp 1980, Urban et al. 1986). Referring
to P. cinerea, Rand and Gilliard (1967) mention that ‘S. D. Ripley records
seeing birds running freely over water-lily pads and floating lake vegetation
almost as easily as jacanas’. Glutz von Blotzheim et al. (1973) admit that
there is not much known about the feeding habits of European Porzana
species.
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My explanation for this behaviour is that the rapid foot-movements, which
cause the leaves to flood, aid the crake in obtaining more food items from the
surface of the water. This feeding method is used as an alternative to feeding
from the still water surface between the reed stems. Khobkhet (1984)
describes the White-browed Crake as an ‘omnivorous feeder, feeding mainly
on vegetation and insects’.
I would like to thank George Pilkington for aiding me with the English text.
REFERENCES
Cramp, S., ed. (1980) Handbook of the birds of Europe, the Middle East and North Africa, 2. Oxford:
Oxford University Press.
Glutz von Blotzheim, U., Bauer, K. M. and Bezzel, E. (1973) Handbuch der Vogel Mitteleuropas, 5.
Frankfurt: Akademische Verlagsgesellschaft.
Glutz von Blotzheim, U., Bauer, K. M. and Bezzel, E. (1975) Handbuch der Vogel Mitteleuropas, 6.
Wiesbaden: Akademische Verlagsgesellschaft.
Khobkhet, O. (1984) Ecology of jacanas and some rallids in Thailand. Pp. 113-120 in Z. Coto
and E. A. Sumardja, eds. Wildlife ecology in Southeast Asia. Southeast Asian Regional Center for
Tropical Biology (Biotrop Special Publication No. 21).
Rand, A. R. and Gilliard, E. T. (1967) Handbook of New Guinea birds. London: Weidenfeld and
Nicholson.
Urban, E. K., Fry, C. H. and Keith, S. (1986) The birds of Africa, 2. London: Academic Press.
E. Moller, Parkstr. 13, 4900 Herford, Germany.
Wedge-billed Wren-Babbler
Sphenocichla humei: a new species for
China
HANLIANXIAN
In the autumn of 1990 I surveyed the avifauna in the Dulong river valley in
north-west Yunnan province, China. A bird captured in the undergrowth of
evergreen broadleaf forest, at an altitude of 2,010 m, on 12 November, was
identified as a Wedge-billed Wren-Babbler Sphenocichla humei. According to
the literature, this species only occurs in Sikkim, Arunachal Pradesh, Assam,
Nagaland, Manipur and northern Myanmar. This was, therefore, the first
record of the species for China.
Measurements of the specimen were as follows:- total length: 179 mm;
bill: 27.5 mm; wing: 71 mm; tail: 65 mm; tarsus: 28.3 mm; weight: 35 g.
The bird had a stout, heavy-looking body with powerful legs and feet, and
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a pointed, conical bill. Its forehead and crown were dark golden-brown with
black hinges to the feathers. The upperparts from nape to tail-coverts were
dark golden-brown with white subterminal bars and black fringes to the
feathers. The wings and tail were similarly coloured but barred with black. A
conspicuous pale stripe behind the eye extended down the side of the neck.
The throat and breast were white with black feather shafts and fringes,
changing gradually to dark golden-brown on the belly and flanks, the latter
being richer in colour. The iris was brownish-red; the upper mandible was
blackish-brown and the lower mandible was horn-grey at the tip and
blackish-brown at the base.
The species comprises two subspecies (Ali and Ripley 1983): S. h. humei in
Sikkim and Arunachal Pradesh, and S', h. roberti in Nagaland, Manipur and
northern Burma. The subspecies differ in the colour of the throat and breast;
in the nominate these areas are black with pale feather shafts, whereas in
roberti they are ashy brown with black margins and white submarginal marks
on the feathers. The Chinese specimen could not be assigned positively to
either of these subspecies.
REFERENCE
*
Ali, S. and Ripley, S. D. (1983) Handbook of the birds of India and Pakistan. Compact edition.
Delhi: Oxford University Press.
Han Liawcian, Kunming Institute of Zoology, Academia Sinica, Kunming, Yunnan, China.
Oriental Plover Charadrins veredus:
a new species for Thailand
DAVID OGLE
On 15 March 1991 at 17h30 I was walking over a large expanse of dry
grazing land at about five metres above sea level near the the town of
Chanthaburi in south-east Thailand (12°37'N 102°04'E). I was hoping to see
some Pacific Golden Plovers Pluvialis fulva which I thought may have begun
to arrive on their annual spring passage through the area. Oriental Pratincoles
Glareola maldivarum, Red-throated Pipits Anthus cervinus and Oriental
Skylarks Alauda gulgula were present in some numbers along with the
occasional Bluethroat Erithacus svecicus. I eventually heard the call of a Pacific
Golden Plover and located two birds in non-breeding plumage in a field
which recently had been burned leaving short, blackened turf. They were
close to a wide hollow still containing some water. Between the two birds was
a third which appeared slimmer and slightly smaller. It was facing away from
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me and presented brown, unmarked upperparts. When it turned towards me,
however, I was amazed to see orange and brown markings on its breast and
knew I was looking at a male Oriental Plover Charadrius veredus in full
breeding plumage. The following description was taken: the crown of the
head, back and tail were all a uniform brown. The hind nape was pale grey.
The facial area, neck and throat were very pale and almost white. The upper
breast was yellowish grading to light orange then dark orange. This was
bordered by a very dark brown line across the lower breast. The underparts
were pure white, the bill dark and the legs brownish-yellow. On a subsequent
visit, a thin off-white wing bar could be seen when the bird was in flight.
The bird was very active when feeding, making quick runs then stopping
for a few seconds before moving off again. The nearby Pacific Golden
Plovers, on the other hand, remained still the whole time, apparently
roosting. Two weeks later, on 29 March, there were six Oriental Plovers
present. Five of these were in the plumage of breeding males while the sixth
individual was in non-breeding plumage. There were still three birds present
on 2 April.
The Oriental Plover is a long distance migrant, breeding in north China
and Mongolia, and wintering in Indonesia and northern Australia (Hayman
et al. 1986). Its migration route follows the eastern seaboard of the Asian
continent, although there are records of a single individual collected in the
Andaman Islands in the last century (Ali and Ripley 1983) and of birds
found in the Coco Islands and Malaya. It is quite possible that Oriental
Plovers are annual passage migrants in Thailand but have been overlooked
through the lack of observers. There have been unconfirmed reports of
sightings in Khao Sam Roi Yot (P. Round in litt.) and in Chanthaburi in
1975 (pers. obs.), and this species had been expected to appear in the
country before long (Lekagul and Round 1991). This record of the
Chanthaburi birds in 1991 is, therefore, the first documented evidence of the
Oriental Plover in Thailand.
REFERENCES
Ali, S. and Ripley, S.D. (1983) Handbook of the birds of India and Pakistan. Compact Edition.
Delhi: Oxford University Press.
Hayman, P., Marchant, J. and Prater, T. (1986) Shorebirds: An identification guide to the waders of
the world. London: Croom Helm.
Lekagul B. and Round, P. D. (1991) A guide to the birds of Thailand. Bangkok: Saha Bhaet Co.,
Ltd.
David Ogle, 83 Carr Lane East, Liverpool Lll 4SG, U.K..
158
Forktai! 7
Guidelines for contributors
Forktail publishes original papers in the English language (also, in certain cases, English
translations of papers in Oriental languages) treating any aspect of the ornithology (e.g.
distribution, biology, conservation, identification) of the Oriental region, i.e. the region bounded
by the Indus River to the west, Lydekker’s Line to the east (i.e. the eastern boundary of
Wallacea), the Chang Jiang (Yangtze Kiang) basin to the north and the Chagos Archipelago,
Lesser Sundas, Christmas Island and Cocos (Keeling) Islands to the south; the Japanese Nansei
Shoto (islands south-west of Kyushu) are included, and indeed material concerning any part of
China or Pakistan may be published. Submissions are considered on the understanding that they
are being offered solely for publication by the Oriental Bird Club, which will retain copyright.
Referees are used where appropriate; all submissions are reviewed by the Forktail Editorial
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indication of the type of material appropriate for the journal is provided in the inaugural editorial,
‘The scope of ForktaiT, Forktail 1: 3-5.)
Submissions should be in one of the following ways: a) in duplicate, typewritten on one side of
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Whenever possible, authors should consult an issue of Forktail for style and layout. Spelling
follows The shorter Oxford English dictionary, except that external features of birds are spelt and
hyphenated in accordance with the entry under ‘Topography’ in A dictionary of birds (1985).
Spelling of place-names accords (unless another source is specified) with the most recent edition
(currendy seventh, 1985) of The Times atlas of the world ; we use ‘South-East Asia’ and “Viet Nam’.
Localities with well-known other spellings or older names should have these placed in parentheses
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access to the above sources; in such cases the editor will seek to introduce conformity.
English and scientific names of birds should preferably follow those provided by Sibley and
Monroe (1990) Distribution and taxonomy of birds of the world. On first mention of a bird both
English and scientific name should be given, thereafter only one, preferably the English. Scientific
trinomials need be used only if subspecific nomenclature is relevant to the topic under discussion.
These recommendations also apply for any other animal or plant species mentioned.
Underlining (=italics) is used for all words of foreign languages, including generic and specific
scientific names. Metric units and their international symbols should be used; if it is necessary to
cite other systems of measurement, these can be added in parentheses. Temperatures should be
given in the Centigrade (Celsius) scale. Numbers one to ten are written in full except when linked
with a measurement abbreviation or higher number, thus ‘five birds’ but ‘5 km’ and ‘5-12 birds’;
numerals are used for all numbers above ten, four-figure numbers and above using the comma
thus: ‘1,234’, ‘12,345’. Details of experimental technique, extensive tabulations of results, etc., are
best presented as appendices. Authors of papers containing statistical analysis should observe the
provisions of the relevant section of ‘Notice to contributors’ in a recent Ibis. Dates should be
written 1 January 1985, times of day as 08h30, 17h55 (24-hour clock;), etc. When citing a
conversation (‘verbally’) or letter (‘in litt.’), the contact’s name and initials should be included,
preferably with the year of communication. A full-length paper must include a summary not
exceeding 5% of the total length.
1992
159
Any figure, diagram, line-drawing or map should preferably be in black ink on strong white or
translucent paper, it should be called a Figure, numbered appropriately, and fully captioned.
Maps must be marked with a scale and north arrow. Lettering on figures should be very neat,
although the publishers will re-draw figure and typeset lettering. Good photographs are also
considered. Captions for figures and photographs should be typed on a separate sheet.
Authors of papers are encouraged to offer their work to one or more ornithologist or biologist
for critical assessment prior to submission to Forktail. Such help as is received should naturally be
mentioned in an acknowledgement section before the full references are presented.
References in the text should follow the form ‘Campbell and Lack 1985)’ and King et al.
(1975) suggest...’. More than one within the same parentheses should be chronologically listed,
alphabetically if of the same year. Publications by the same authors in the same year may be
distinguished by ‘a’, ‘b’, etc., after the date. Full references must be listed alphabetically at the end
in the form:
Campbell, B. and Lack, E. eds. (1985) A dictionary of birds. Calton (Staffordshire, U.K.): T.
and A. D. Poyser.
King, B. F. Dickinson, E. C. and Woodcock, M. W. (1975) A field guide to the birds of South-
East Asia. London: Collins.
Kuroda, Nh., ed. (1984) Ketteiban seibutsa daizukan; chorui [ Illustrations of animals and plants:
birds], Tokyo: Sekai Bunkasha. (In Japanese.)
Roslyakov, G. E. (1985) [‘Information on the distribution and number of Ais galericulata and
Mergus squamatus over Khabarovsk Territory.’] Pp. 101-102 in N. M. Litvinenko, ed. Rare and
endangered birds of the Far East. Vladivostok: Far East Science Center, Academy of Sciences of the
USSR. (In Russian.)
Sien Yao-hua, Kuan Kuan-Hsiin and Zheng Zuoxin (1964) [‘An avifaunal survey of the
Chinghai province.’] Acta Zool. Sinica 16: 690-709. (In Chinese.)
Smythics, B. E. (1981) The birds of Borneo. Third edition. Kota Kinabalu and Kuala Lumpur:
The Sabah Society and the Malayan Nature Society.
Somadikarta, S. (1986) Collocalia linchi Horsfield & Moore - a revision. Bull. Brit. Om. Club
106: 32-40.
White. C. M. N. and Bruce, M. D. (1986) The birds of Wallacea (Sulawesi, the Moluccas and
Lesser Sunda Islands, Indonesia): an annotated check-list. London: British Ornithologists’ Union
(Check-list no. 7).
It will be noted from these examples that references to non-Roman scripts need to be
transliterated and/or translated (or even, with more recondite sources, both); either the
transliterated title may be left as it is, or a translation of it can be substituted in square brackets
(but where an abstract provides it own English tide, this may be cited in inverted commas within
square brackets), and the language involved should follow the reference, in parentheses.
The author’s name and postal address should appear in italics at the end of the article.
Authors will receive proofs for checking which they are required to return within one week of
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whom proofs should be sent. Textual changes in proof cannot normally be countenanced. Twenty
reprints of full length articles, and ten of short communications, will be made available irrespective
of number of authors, and sent to the senior author.
Pisces
PUBLICATIONS
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Cover photograph: Black-and-rufous Flycatcher Ficedula mgrorufa, Ootacamund, India (sec Zacharias and Gaston
within). Photo: T. Baker
1993
1
FORKTAIL
Number 8, February 1993
CONTENTS
BRITISH MUSEUM
(NATtlHAl HISTORY)
1 9 APR 1993
PRi&£NTED
THING LIBRARY
R. C. BANKS.
The generic name of the Crested Argus Rheinardia ocellata . 3
W. S. CLARK and N. J. SCHMITT.
Field identification of the Rufous-bellied Eagle Hieraaetus kienerii . 7
V. J. ZACHARIAS and A. J. GASTON.
The birds of Wynaad, southern India . 11
C. R. ROBSON, J. C. EAMES, NGUYEN CU and TRUONG VAN LA.
Further records of birds from Viet Nam . 25
Y. R. TYMSTRA.
Some bird observations from the lower Apsuwa River, east Nepal . 53
A. J. GREEN.
The biology of the White-winged Duck Cairina scutulata . 65
B. VAN BALEN, I. S. SUWELO, D. S. HADI, D. SOEPOMO, R. M. ARLON and
MUTIARINA.
The decline of the Brahminy Kite Haliastur Indus on Java . 83
T. D. EVANS, P. MAGSALAY, G. C. L. DUTSON and T. M. BROOKS.
The conservation status of the forest birds of Siquijor, Philippines . 89
C. INSKIPP and T. P. INSKIPP.
Birds recorded during a visit to Bhutan in autumn 1991 . 97
M. A. BRAZIL and N. MOORES.
The importance of Japanese wetlands as wintering grounds for the endangered
Saunders’s Gull Larus saundersi . 113
N. REDMAN.
Two new species of birds for the Philippines and other notable records . 119
ZHANG YIN-SUN and HE FEN-QI.
A study of the breeding ecology of the Relict Gull Larus relictus in Ordos,
Inner Mongolia, China . 125
K. SANKAR, D. MOHAN and S. PANDEY.
Birds of Sariska Tiger Reserve, Rajasthan, India . 133
Short communications
M. INDRAW AN, W. LAWLER, W. WIDODO and SUTANDI.
Notes on a feeding behaviour of Milky Storks Mycteria cinerea on the coast of Indramayu,
west Java . 143
G. DUTSON.
A sighting of Ficedula (crypta) disposita in Luzon, Philippines . 144
R. KANNAN.
Rediscovery of the Oriental Bay-Owl Phodilus badius in peninsular India . 148
G. V. WATTOLA.
Black-billed Magpie Pica pica : a new species for Thailand . 149
P. CUEREL and SOMSRI THONGSATJA.
Mallard Anas platyrhynchos: a new species for Thailand . . 151
J. T. KNOWLER.
Collared Grosbeak Mycerobas affinis : a new species for Thailand . 152
2
Forktail 8
C. F. MANN and D. A. DISKIN.
Northern Shrike Lanius excubitor. a new species for Borneo and South-East Asia . 153
J. A. ELKIN.
Japanese Night-Heron Gorsachius goisagi: a new species for Borneo . 154
J. A. ELKIN, C. F. MANN and C. OZOG.
Black-collared Starling Stumus nigricollis: a new species for Borneo . 155
D. SHOWLER.
Long-billed Partridge Rhizolhera longirostris: a new species for Sabah . 156
Guidelines for contributors . 157
ISSN 0950-1746
© Oriental Bird Club 1993
Published for the Oriental Bird Club by
Rubythroat Publications
6 Corinthian Close, Basingstoke
Hampshire RG22 4TN U.K.
Printed on recycled paper by Soloprint, Eaton Socon, U.K.
1993
FORKTAIL 8 (1993): 3 - 6
3
The generic name of the Crested Argus
Rheinardia ocellata
RICHARD C. BANKS
The Crested Argus Rheinardia ocellata , a pheasant native to South-East Asia,
is listed among the species on Appendix I of the Convention on International
Trade in Endangered Species of Wild Fauna and Flora (CITES). For any
species that is rare, endangered or threatened by trade, and thus subject to
permit regulations, it is imperative that its nomenclatorial as well as population
status be understood, to avoid confusion or oversight. In the authoritative
literature, the generic and specific names of this pheasant are variously
treated as either masculine or feminine, and the generic name is often spelled
with a subterminal ‘t’ rather than a ‘d’. Several English names in addition to
the one used are available (see Sibley and Monroe 1 990 for examples) . This
note traces the history of the spellings of the generic name and attempts to
stabilize it in its original form.
Elliot (1871) described a new species of pheasant, Argus ocellatus, based on
four feathers in the Paris Museum. These feathers, later illustrated by Elliot
(1872), had been mentioned in the literature previously and the specific
name had been used, in the combination Argusianus ocellatus , based on a
Verreaux manuscript, but not in such a way as to constitute a valid
description (Elliot 1871, 1909).
In 1879 or 1880, a Captain Rheinard mentioned some long decorative
feathers from the Tonkin region of what is now Viet Nam to A. Boucard and
Anatole Maingonnat (Boucard 1892). Boucard was given the feathers and
soon recognized them as being of the species that Elliot had described.
Boucard urged Rheinard to obtain specimens of the bird. In early 1882,
Captain Rheinard gave one specimen to Maingonnat, who exhibited it at a
meeting of the Zoological Society of France and gave it the name Argus
rheinardi. The published proceedings (Anon. 1 882) of that meeting, held 1 3
June 1882, report Maingonnat’s remarks in sufficient detail to constitute a
valid description. It is clear, however, that Maingonnat intended rheinardi to
be a substitute name for ‘ ocellata ’, which he attributed to Bonaparte (Anon.
1882: xxv).
When Boucard saw the specimen he recognized that it was not an Argus,
and suggested that it be placed in a new genus honouring the collector.
Maingonnat immediately followed this suggestion, and published the name
of the new genus with the combination Rheinardia ocellata (Maingonnat
1882, not seen ;fide Boucard 1892) in La Science pour tous for July 1882.
4
R. C. BANKS
Forktail 8
Oustalet (1882a, 1882b) gave expanded, detailed descriptions of the bird
that Maingonnat had named, justifying the establishment of a distinct genus
for it. Although he credited Maingonnat with the name, he (Oustalet 1 882b)
used the terms ‘nov. gen . ’ and ‘ nov . sp . ’ Further, he changed the gender of
the original Rheinardia to the masculine Rheinardius because ‘la plupart des
noms de genres des Phasianides etant masculins’ (Oustalet 1 882b: 3) . Later,
Oustalet (1882c) said that Maingonnat’s specimen was from Buih Dinh, ‘a
100 lieus au sud de Hue’.
Sclater and Saunders (1883: 107) credited Oustalet (1882a) for the
generic name Rheinhardius [sic], Reichenow and Schalow (1883: 408) also
noted the new genus in a compilation of recently described taxa, citing it as
Rheinardius and attributing it to Oustalet (1882b). Oustalet (1885: 258) later
said that the name of the collector of the bird Maingonnat described was
‘Rheinart, qui se termine par un t’ and changed the spelling of the generic
name accordingly to Rheinartius.
Boucard (1892) summarized his and Maingonnat’s involvement with the
discovery and naming of this pheasant and the later obtaining of additional
specimens. Boucard (1892) described one of the new specimens, in the
Rothschild collection, under the name ‘ Rheinardius ocellatus, V err phoenix}'
and suggested that the proper name of the species should be ‘ Rheinardius
phoenix' because of its similarity (in his opinion, identity!) to that fabled bird
as depicted in Chinese art (see Jabouille 1930). Boucard (1892) either
overlooked or ignored Oustalet’s (1885) correction of the spelling of the
collector’s name.
Ogilvie-Grant (1893: 366) included the genus and species in the Catalogue
of birds in the British Museum as Rheinardtius [sic] ocellatus , with no citation for
the new spelling. The generic synonymy includes three other spellings, but
no citation of Maingonnat. The synonymy of the species incorrectly credits
the spelling Rheinartius to Oustalet (1882b), and the spelling of the species
name as rheinardti to Maingonnat in 1882.
Later, Oustalet (1898: 258) spelled the generic name Rheinardtins [sic],
and first Elliot (1909), then Delacour and Jabouille (1925), used the ‘</r’
spelling without comment. Jabouille (1930: 221, 222) twice cited the
collector as ‘commandant Rheinardt’ but agreed that Rheinardia was the
correct generic name.
Delacour (1929) listed this pheasant under the name Rheinardia ocellata,
attributing the name to Verreaux, and used the English name ‘Rheinart’s
Pheasant’. In a footnote he stated that the generic name was first provided
by ‘Maingounat’ in ‘ Science pour tous' published on 8 July 1882. He noted
the change of the name to the masculine ending and then to the spelling with
a Y rather than ‘cT by Oustalet (without references) because the collector of
the first complete example was ‘Commandant Rheinart’. Delacour (p. 203)
concluded that ‘Perhaps under these circumstances it is best to retain the
original spelling’.
1993
Generic name of the Crested Argus
5
Beebe (1922: 100) also spelled the generic name with a ‘ d ’ but used the
masculine ending and repeated the name of the collector with a ‘t\ He also
detailed the source of the type as ‘about twenty kilometres west of Hue... at
the foot of the Laos Mountains’. Subsequently, Beebe (1931 : 166), in a long
quotation from a communication from Delacour, spelled the generic name
‘ Rheinardtius ’.
Peters (1934) followed Delacour’s conclusion, even to the misspelling of
the name of the author of the genus. Chasen (1935) used Rheinartia and
noted that ‘ Rheinardia and Maingounat are misprints’, repeating Delacour’s
statement of the name of the original collector. Delacour (1947, 1951)
reversed his conclusion of 1 929 and amended the generic name to Rheinartia.
Nine books — field guides and world lists — published in the period 1974-
1 990 uniformly use the feminine ending for the genus, but are split 5 to 4 in
favour of ‘<f over ‘f .
Whether the original collector’s name was Rheinard, Rheinart, or Rheinardt
cannot now be determined. There is no firm basis for accepting an
emendation and, as suggested by Delacour (1929) and Jabouille (1930), the
original spelling of the generic name as proposed by Maingonnat (1882)
must stand. Maingonnat indicated that he was naming the genus Rheinardia
in honour of Captain Rheinard, with whom he and Boucard (1892) were
personally acquainted. Even if he misspelled the Captain’s name, and
therefore the generic name, there is no evidence in the original publication
of an inadvertent error in formation of the generic name, which is required
by Article 32 (c) (ii) of the International Code of Zoological Nomenclature
to emend an incorrect original spelling.
I thank Charles Dane for inadvertently bringing this matter to my attention, and M. Ralph Browning
for considerable help in obtaining the necessary references. Browning and B. L. Monroe, Jr., offered
comments on the manuscript.
REFERENCES
Anon. (1882) Extrait des proces-verbaux de la Societe Zoologique de France. Bull. Soc. Zool. France
7: i-xxxv.
Beebe, [C.] W. (1922) A monograph of the pheasants, 4. London: Witherby.
Beebe, [C.] W. (1931) Pheasants, their lives and homes. 2 vols. Garden City, New York: Doubleday,
Doran and Company.
Boucard, A. (1892) Notes on the rare pheasant, Rheinardius ocellatus, Verr. The Humming Bird 2: 9-12.
Chasen, F. N. (1935) A handlist of Malaysian birds. Bull. Raffles Mus. 1 1.
Delacour, J. (1929) On the birds collected during the fourth expedition to French Indo-China. Ibis
(12)5: 193-220.
Delacour, J. (1947) The birds of Malaysia. New York: Macmillan.
Delacour, J. (1951) The pheasants of the world. London: Country Life.
Delacour, J. and Jabouille, P. (1925) Douze oiseaux nouveaux de l’lndochine frangaise et notes sur
quelques phasianides de Annam. L’Oiseau 6: 25-38.
Elliot, D. G. ( 1 87 1) Description of an apparently new species of pheasant belonging to the genus Argus.
Ann. Mag. Nat. Hist. (4)8: 119-120.
6
R. C. BANKS
Forktail 8
Elliot, D. G. (1872) A monograph of the Phasianidae or family of the pheasants, 1. New York: published
by the author.
Elliot, D. G. (1909) Remarks on the species of the genus Rheinardtius. Ann. Mag. Nat. Hist. (8)4: 242-
243.
Jabouille, P. (1930) Le phoenix fabuleux de la Chine et le faisan ocelle d’Annam ( Rheinardia ocellata
Verreaux). Revue d’Histoire Naturelle 11: 1-13.
Ogilvie-Grant, W.R. (1893) Catalogue of the game birds (Pterocletes, Galltnae, Opisthocomi, Hemipodii) in
the collection of the British Museum. London: British Museum (Natural History).
Oustalet, E. (1882a) Description d’un type peu connue de l’ordre des Gallinaces. Bull, hebdomaire de
I’Association Scientifique de France (2)5: 242-245.
Oustalet, E. (1882b) Description du Rheinardius ocellatus Gallinace voisin des Argus. Ann. Sci. Nat.
(Zool.) (6)13, art. 12: 1-6.
Oustalet, E. (1882c) Notes d’Omithologie. Bull. Soc. Philomathique de Paris (7)6: 254-271.
Oustalet, E. (1885) Description du Rheinartius ocellatus, espece peu connue de l’ordre des Gallinaces,
et Catalogue d’une collection d’oiseaux formee dan l’empire d’Annam. Nouv. Arch. Mus. Hist. Nat.
(2)8: 256-300.
Oustalet, E. (1898) Nonce sur une espece, probablement nouvelle, de faisan de l’Annam. Bull. Mus.
Hist. Nat., Paris 6: 258-261.
Peters, J. L. (1934) Check-list of birds of the world, 2. Cambridge, Massachusetts: Harvard Univ. Press.
Reichenow, A. and Schalow, H. (1883) Compendium der neu beschriebenen Gattungen und Arten. J.
Om. 31: 399-424.
Sclater, P. L. and Saunders, H. (1883) Notices of recent ornithological publications. Ibis (5) 1 : 97-1 18.
Sibley, C.G. and Monroe, Jr., B. L. (1990) Distribution and taxonomy of birds of the world. New Haven:
Yale Univ. Press.
Richard C. Banks, U.S. Fish and Wildlife Service, National Museum of Natural History, Washington, DC
20560, U.S. A.
1993
FORKTAIL 8 (1993): 7 -9
7
Field Identification of the Rufous-bellied
Eagle Hieraaetus kienerii
WILLIAM S. CLARK and N. JOHN SCHMITT
The Rufous-bellied Eagle Hieraaetus kienerii is a fairly common resident of
humid evergreen forests of India and South-East India, including Malaysia,
Indonesia and the Philippines. Very little has been written about this eagle’s
behaviour and field identification. From our field experience in India, we find
it a distinctive raptor that is easily recognised whether perched or flying. Field
marks are presented that will facilitate identification of this small eagle,
particularly of distant flying birds.
The Rufous-bellied Eagle shares the aerial hunting habits of its congeners:
African Hawk-Eagle H. spilogaster, Bonelli’s Eagle H. fasciatus , Booted Eagle
H. pennatus and Little Eagle H. morphnoides. In flight, however, the wing and
tail shape and pattern of Rufous-bellied Eagle are more like those of buzzards
(especially Common Buzzard Buteo buteo ) (Figure 1), and are quite unlike
that of the other species in the genus. We are unaware of any field guide in
which its wing shape has been correctly depicted.
Adult and juvenile plumages are quite different (Figure 1) and are
described below. Transitional birds can show a variety of intermediate
plumages.
Flying adults appear mostly black, grey and white below when seen from
a distance (Figure 1); the white breast and face pattern is suggestive of
Peregrine Falcon Falco peregrinus. The rufous colour of the adult’s underparts
is usually seen only on close birds under good light conditions. Perched
adults show a short crest and distinctive black, white and rufous coloration.
Flying juveniles appear mostly white below, with distinctive black marks on
the face, sides of the upper breast and on the flanks. Viewed head-on, the
leading edge of the inner wing appears white. The secondaries of distant
flying birds appear somewhat darker than the rest of the underwing. Perched
juveniles show a face pattern like that of an Osprey Pandion haliaetus, and
white underparts with dark marks on the sides of the upper breast and on the
flanks.
Adults and juveniles in flight appear uniformly dark above except for
distinctive pale primary patches and strong black and white head patterns.
Rufous-bellied Eagles spend much time in the air, hunting (gliding or
soaring), usually 50-100 m above the forest, but sometimes lower and
occasionally much higher. Upon sighting prey, they fold their wings (forming
8
W. S. CLARK and N. J. SCHMITT
Forktail 8
a tear-drop shape) and stoop rapidly into the forest canopy. When they are
present in an area, thay can usually be readily seen soaring or gliding during
periods of strong thermal activity.
We found Rufous-bellied Eagles to be fairly common in forested areas of
south-western India (Western Ghats) and the central and eastern Himalayan
foothills, after we became familiar with their buzzard-like appearance and
other relevant field marks.
The illustrations were prepared to help teach raptor identification to personnel of the Bombay Natural
History Society’s raptor ecology project; a collaborative project funded by the U.S. Fish and Wildlife
Service’s Special Foreign Currency Program in India. We thank David Ferguson of the Office of
International Affairs, U.S. Fish and Wildlife Service, for arranging our visits to India, and the Bombay
Natural History Society, especially V. Prakash, J. C. Daniel and R. Grubh, for support in India. Our field
companion, Rishad Naoroji, is thanked for leading us to these eagles. B. Beehler, R. Kennedy, B. King
and C. Wilds made helpful comments on earler drafts of this paper.
W. S. Clark, 4554 Shetland Green Road, Alexandria, VA 22312, U.S. A.
N. J. Schmitt, 1 1609 Alburtis Ave., Norwalk, CA 90650, U.S. A.
Plate 2. Adult Rufous-bellied Eagle
Hieraaelus kienerii in flight.
Photo: W. S. Clark
Plate 1. Adult Rufous-bellied Eagle
Hieraaetus kienerii.
Photo: W. S. Clark
Plate 3. Juvenile Rufous-bellied
Eagle Hieraaetus kienerii in flight.
Photo: W. S. Clark
1993
Field identification of the Rufous-bellied Eagle
9
Plate 4. Rufous-bellied Eagles Hieraaetus kienerii. N. J. Schmitt
1 - 3 adults, 4-5 transitional, 6-10 juveniles, 11-13 adults.
1993
FORKTAIL 8 (1993): 11- 23
11
The birds of Wynaad, southern India
V. J. ZACHARIAS and A.J. GASTON
A survey of birds of the Wynaad district of Kerala was conducted from June 1 985 to September 1988.
A total of 275 species was recorded, including 1 5 which had not previously been recorded in the state
of Kerala. Records of 30 other species that have occurred in Wynaad were located in the published
literature. Nine of the species are endemic to the Western Ghats and several others have disjunct
distributions in the Indian subcontinent. Of the resident species 4 1 were confined to evergreen and semi¬
evergreen biotopes and 66 occurred only in deciduous biotopes. A total of 1 50 species showed evidence
of breeding, including the rarely recorded Ceylon Frogmouth Batrachostomus moniliger. Nineteen
species had not previously been recorded as breeding in Kerala, including the Asian Brown Flycatcher
Muscicapa dauurica, a species previously believed to be only a winter visitor. Evidence of decline in
numbers of some species is presented; comparison with the results of the only previous survey (Davison
1883) indicates that 20 resident species have undergone a considerable decline and 17 resident species
were not observed at all.
INTRODUCTION
Little information is available on the avifauna of Wynaad. William Davison
(1883) carried out a survey from 23 March to 3 1 May 1881 (and subsequently
collected some further specimens which were reported on by Whistler and
Kinnear (1930-1937); these studies highlighted the presence of an interesting
avifauna in Wynaad. Subsequently, J. Darling collected eggs and some
specimens of birds in the 1880s (Hume 1890, Whistler and Kinnear 1930-
1937), and A. M. Primrose (1904) provided information on 1 1 species of
raptors from the area. Salim Ali’s surveys in Kerala (Ali 1969) did not
adequately cover Wynaad, even though it is perhaps the richest area
faunistically in Kerala and he appears to have overlooked 1 1 species recorded
in Wynaad which are additional to the species included in The birds of Kerala.
Wynaad is an elevated plateau in the Western Ghats, between 1 1°58’N and
11°30’N and 75°45’E and 76°28’E (Figure 1). It is an extension of the
Deccan plateau to the west, bounded by Coorg and Mysore in the north and
east, Nilgiri in the south and Malappuram and Calicut in the south-west.
The Ghat section is separated by the Brahmagiri Dindimal ranges, running
at right angles to the Western Ghats, with the Nilgiri Kunda ranges forming
the south-eastern limit, and the eastern portion merging into the Karnataka
table land. Formerly Wynaad consisted of South-East Wynaad (Nilgiri
Wynaad), South Wynaad and North Wynaad. South-East Wynaad was
transferred to Tamil Nadu, leaving the other two regions to form the current
Wynaad district with an area of 2,125 km2. The average altitude of the
plateau is 700 m, but many peaks exceed 1,500 m. The only river, the
Kabani, originates in the Western Ghats and flows east.
12
V. J. ZACHARIAS and A. J. GASTON
Forktail 8
The climate on the plateau is quite different from that of the plains. The
temperature of the former ranges from 13°-33°C, whereas at the foot of the
Ghats the range is from 21°-38°C. From November to January mist is
common and, following a few showers in April and May, the South-West
Monsoon brings 75% of the annual rainfall from June to August. There is
a rainfall gradient from west to east, a fact that is reflected in the vegetation.
On the plateau moist deciduous forest is the characteristic vegetation,
whereas the slopes of the Western Ghats and of the Dindimal and Brahmagiri
ranges are clothed in evergreen forest. Deciduous forest occupies a zone
extending from the north through the east to the south. The forest quality
gradually deteriorates as one moves eastwards from the Ghats, leading to
stunted trees on the eastern border.
Modern forestry operations and plantations began in Wynaad at the time
of the Forest Act of 1 882 . Selective felling and indiscriminate destruction of
forest have increased in the post-independence period and the large-scale
migration of agriculturists from central Kerala from the 1950s onwards
sealed the fate of the pristine forest in the region. Much of the vast forest has
been reduced to a precarious fringe along the south-eastern border and in
central areas there are now vast expanses of gardens and plantations. Even
the remaining forests, including the evergreen/semi-evergreen portion at
Tirunelly in the Brahmagiris and those at Periya are being destroyed by
commercial felling and tribal rehabilitation programmes. The Forest
Department are now planting Eucalyptus and other exotic trees in the
grasslands above the shola forest, thereby threatening the entire ecosystem.
Wynaad Wildlife Sanctuary
The Wynaad Wildlife Sanctuary covers an area of 344.44 km2 in the east and
south-east of Wynaad. There are two isolated segments: Tholpetty Wildlife
Range in the north and the Kurchiyat, Sultan’s Battery and Muthanga
wildlife Ranges in the south. The two segments are separated by a wide area
of cultivation. There are extensive plantations and several cultivated
enclosures within the sanctuary which constitute the major portion of the
reserve.
METHODS OF STUDY
Birds were observed in 12 localities in Wynaad, from July 1 985 to September
1988. These localities were selected on the basis of topography, vegetation
and land use. Observations, which included notes on climate, topography,
altitude and vegetation, were conducted from 07h00 to 15h00 and each
locality was visited once every three months. The number of bird species in
different habitats and information on food and nesting behaviour was
1993
The birds of Wynaad, southern India
13
Figure.
14
V. J. ZACHARIAS and A. J. GASTON
Forktail 8
recorded. Evidence of breeding and egg-laying dates were determined by
noting the following: birds carrying nesting materials or food for the young,
or feeding recently fledged young; in the case of hole-nesting species
observations of birds entering suitable holes was considered adequate.
RESULTS
A total of 27 5 species was observed during the survey in Wynaad and a search
of the relevant literature revealed another 30 species that have been recorded
previously (Appendix) . Of the resident species 4 1 were confined to evergreen/
semi-evergreen biotopes and 66 to the deciduous biotopes. Some intermediate
zone (moist deciduous) species were found in both evergreen and deciduous
biotopes; species such as Brown-capped Woodpecker Dendrocopos nanus ,
Y ellow-browed Bulbul dole indica, Dark-fronted Babbler Rhopocichla atriceps ,
Rufous Babbler Turdoides subrufus, Brown-cheeked Fulvetta Alcippe
poioicephala, Tickell’s Blue-Flycatcher Cyomis tickelliae, Black-naped Monarch
Hypothymis azurea, White-rumped Shama Copsychus malabaricus, Black-
lored Tit Pams xanthogenys, Velvet-fronted Nuthatch Sitta frontalis and
Oriental White-eye Zosterops palpebrosus were generally more common in the
moist deciduous biotope; they have been treated as species of this zone in this
paper. There are differences in the numbers of species found in evergreen
forests and in deciduous forests. The largest numbers of both birds and
species were observed in the semi-evergreen forests at Tirunelly and in the
moist deciduous forests at Muthanga and Kupadi respectively. The forest
around Lakkidi and Vyittiri had a rich avifauna, mostly represented by
passerine species. There is evidence of a steady decline in bird populations
in this area over the last decade, mostly due to developmental projects and
forest destruction.
Species endemic to south-west India or with disjunct distributions
Nine species of the evergreen/semi-evergreen biotope are endemic to the
Western Ghats: Malabar Parakeet Psittacula columboides, Nilgiri Wood-
Pigeon Columba elphinstonii, Black-and-rufous Flycatcher Ficedula nigromfa,
White-bellied Blue-Flycatcher Cyomis pallipes, Wynaad Laughingthrush
Garrulax delesserti , Rufous-breasted Laughingthrush G. cachinnans, Grey¬
breasted Laughingthrush G. jerdoni , Hill Swallow Himndo domicola and
Nilgiri Pipit Anthus nilghiriensis . Several other species occur in the Western
Ghats and elsewhere in the Indian subcontinent, but discontinuously, either
in Sri Lanka or in the eastern Himalayas: Jerdon’s Baza Aviceda jerdoni ,
Rufous-bellied Eagle Hieraeetus kienerii, Ceylon Frogmouth Batrachostomus
moniliger, Malabar Trogon Harpactes fasciatus, Blue-bearded Bee-eater
Nyctyomis athertoni, Dollarbird Eurystornus orientalis, Great Hornbill Buceros
bicomis.
1993
The birds of Wynaad, southern India
15
Altitudinal distribution of birds
Most of the recorded species occur below 1 ,400 m; above this altitude there
is a much smaller number of species. The Black Bulbul Hypsipetes leucocephalus
is usually found only above 900 m (200 m above the average altitude of the
plateau) and is most numerous above 1,000 m. A few species, such as the
White-bellied Shortwing Brachypteryx major and Golden-headed Cisticola
Cisticola exilis are found only above 1,200m. The Indian Swiftlet Collocalia
unicolor was found at a wide range of altitudes but the largest numbers
observed were those roosting above 1 ,400 m in rocky caves on the Brahmigiris.
Winter visitors
Fifty-nine species of winter visitors were recorded, with the largest numbers
of wintering birds occurring from November to February. In nearby Coorg,
Betts (1950), reported that winter visitors began to arrive at the end of
August, and that they began to leave at the end of February, with some
remaining until the end of April.
Breeding behaviour
A total of 150 species showed evidence of breeding, including nineteen
species for which the breeding records were apparently the first for Kerala;
these are annotated in the Appendix with’#’. A large colony of breeding
herons was found near the Panamaram bridge on the Kalpetta-Manantavadi
road, containing Little Egrets Egretta garzetta, Great Egrets Casrnerodius
albus, Intermediate Egrets Mesophoyx intermedia, Cattle Egrets Bubulcus ibis,
Indian Pond-Herons Ardeola grayii, Black-crowned Night-Herons Nycticorax
nycticorax and also Little Cormorants Phalacrocorax niger. A pair of Black
Bitterns Ixobrychus flavicollis was nesting in a nearby bush in June. The birds
in this colony were hunted by various people, some of whom travelled from
some distance. In addition to the newly recorded breeding species the rarely
recorded Ceylon Frogmouth Batrachostomus moniliger was found breeding.
Apparent population declines since 1881
Of the resident species recorded in Wynaad, 20 have apparently declined
since 1881, being considered ‘common’ by Davison but found only
occasionally or rarely during this survey. A further 17 resident species were
not found at all in the current survey - some of these are unobtrusive species
that may have been overlooked, but others have clearly declined. The Red-
naped Ibis Pseudibis papillosa was found in noisy flocks at Manantavadi by
Davison in April 1881, but has now disappeared. Waterbirds, raptors and
gamebirds have apparently declined in numbers generally since Davison’s
survey. These declines are most probably due to habitat destruction and
hunting.
16
V. J. ZACHARIAS and A. J. GASTON
Forktail 8
New sight records for Kerala
Fifteen species were recorded for the first time in Kerala. These are
annotated in the Appendix with an asterisk. The most significant of these are
the White-winged Tit Pams nuchalis (previously recorded only very locally in
Gujarat, south-central Rajasthan, one locality in the Eastern Ghats, Bangalore
and the Biligirangan Hills) and the Rufous-breasted Laughingthrush (recorded
previously only in the Nilgiris).
The study received financial assistance from the State Department of Science, Technology and
Environment, Government of Kerala. Discussions with the late Dr Salim Ali, Dr Philip Gaddis
(U.S.A.), who visited Wynaad in 1982, and the late Prof. K. K. Neelakantan are gratefully acknowledged.
Mr P. U. Antony, Dr Ignatius Konikkara and Mr P. V. Balakrishnan helped in the survey.
REFERENCES
Ali, S. (1969) Birds of Kerala. New Delhi: Oxford University Press.
Baker, E. C. S. ( 1 924) The fauna of British India, including Ceylon and Burma. Birds, 2. Second edition.
London: Taylor and Francis.
Baker, H. R. and Inglis, C. M. (1930) The birds of southern India, including Madras, Malabar, Travancore,
Cochin, Coorg and Mysore. Madras: Government Press.
Betts, F. N. (1951) Birds of Coorg. J. Bombay Nat. Hist. Soc. 50: 20-63, 224-263, 667-684.
Blanford, W. T. (1893) On the scientific name of a Himalayan cuckoo. Proc. Zool. Soc. London 1893:
315-319.
Davison, W. (1883) Notes on some birds collected on the Nilgiris and parts of Wynaad and southern
Mysore. Stray Feathers 10: 329-419.
Ditmas, J. W. (1883) (Letter about Gallinago nemoricola.) Stray Feathers 10: 173-174.
Hume, A. O. (1877) (Note about Vivia innominata collected by J. Darling in Wynaad.) Stray Feathers
5: 351.
Hume, A. O. (1878) (Note about Bazajerdoni collected by J. Darling in Wynaad.) Stray Feathers 7 : 151.
Hume, A. O. (1890) The nest and eggs of Indian birds. 3 volumes. London: R. H. Porter.
Jerdon, T. C. (1 839- 1 840) Catalogue of the birds of the peninsula of India, arranged according to the
modem system of classification; with brief notes on their habits and geographical distribution, and
description of new, doubtful and imperfectly described species. Madras J. Lit. Sci. 10: 60-91, 234-
269; 11: 1-38, 207-239; 12: 1-15, 193-227.
Jerdon, T. C. (1844) Second supplement to the catalogue of the birds of southern India. Madras J. Lit.
Sci. 14: 116-144.
Neelakantan, K. K. (1990) Yellow-eyed Babbler Chrysomma sinensis in Kerala. J. Bombay Nat. Hist. Soc.
87: 302.
Phythian Adams, E. G. (1928) Snipe and Woodcock in S. India. J. Bombay Nat. Hist. Soc. 32: 606-607.
Phythian Adams, E. G. (1948) Snipe in south India. J. Bombay Nat. Hist. Soc. 47: 745-746.
Primrose, A. M. (1904) Birds observed in Nilgiris and Wynaad. J. Bombay Nat. Hist. Soc. 34: 163-166.
Whistler, H. and Kinnear, N. B. (1930-1937) The Vernay Survey of the Eastern Ghats. J. Bombay Nat.
Hist. Soc. 34: 386-403; 35: 505-524, 737-760; 36: 67-93, 334-352, 561-590, 832-844; 37: 96-105,
281-297, 515-528, 751-763; 38; 26-40, 232-240, 418-437, 672-698; 39: 246-263, 447-463.
V. J. Zacharias, Periyar Tiger Reserve, Thekkady 685 436, India.
A. J. Gaston, Canadian Wildlife Service, Ottawa K1A OH3, Canada.
1993
The birds of Wynaad, southern India
17
APPENDIX
BIRD SPECIES RECORDED IN WYNAAD
18
V. J. ZACHARIAS and A. J. GASTON
Forktail 8
Davison This Others Habitat Status
(1883) survey
LITTLE GREEN BEE-EATER Merops orientalis C C
BLUE-TAILED BEE-EATER Merops philippinus x R
CHESTNUT-HEADED BEE-EATER Merops leschenauln O C
PIED CUCKOO Oxylophus jacobinus O
* LARGE HAWK-CUCKOO Cuculus sparverioides - O
COMMON HAWK-CUCKOO Cuculus varius C O
INDIAN CUCKOO Cuculus micropterus O R
COMMON CUCKOO Cuculus canorus - O
[ORIENTAL CUCKOO Cuculus saturaius ?
discredited
Davison’s record
1993
The birds of Wynaad, southern India
19
20
V. J. ZACHARIAS and A. J. GASTON
Forktail 8
1993
The birds of Wynaad, southern India
21
since 1979)
22
V. J. ZACHARIAS and A. J. GASTON
Forktail 8
1993
The birds of Wynaad, southern India
23
Key:
* = new records for Kerala
# = new breeding records for Kerala
H = species recorded from Kerala prior to 1969 but omitted in error by Ali (1969)
[ ] = doubtfully recorded species
Occurrence: C - common; O = occasional; R = rare
Other references: B = Baker (1924); Ba = Baker and Inglis (1930); Di = Ditmas (1883); H = Hume
(1877); Hu = Hume (1890); J = Jerdon (1839-1840); Jd = Jerdon (1844); Je =
Jerdon (1862); P = Primrose (1904); Ph1 = Phythian Adams (1928); Ph2 =
Phythian Adams (1948); Wh = Whistler and Kinnear (1930-1937)
Habitat: E = evergreen; SE = semi-evergreen; MD = moist deciduous; D = deciduous; G
— grassland; We = wetland
Status: RE = resident; RE+ = resident and evidence of breeding noted; W = winter visitor
1993
FORKTAIL 8 (1993): 25 - 52
25
Further recent records of birds from
Viet Nam
C. R. ROBSON, J. C. EAMES, NGUYEN CU and
TRUONG VAN LA
Between December 1989 and March 1990, surveys of forest birds were undertaken at a selection of sites,
including proposed protected areas, in Viet Nam. These surveys, forming part of the Viet Nam Forest
Project of ICBP, aimed to provide information on the status and distribution of globally threatened and
endemic species, especially Galliformes. Information was obtained on Imperial Pheasant Lophura
imperialis, Vietnamese Pheasant L. hatinhensis, Germain’s Peacock-Pheasant Polyplectron germaini.
Green Peafowl Pavo muticus , White-winged Duck Cairina scutulata, Blyth’s Kingfisher Alcedo hercttles.
Yellow-billed Nuthatch Sitta solangiae, Collared Laughingthrush Garrulax yersini and Vietnamese
Greenfinch Carduelis monguilloli.
From 9 December 1989 to 10 March 1990 we carried-out surveys for
globally threatened and endemic forest birds in Viet Nam. These surveys
formed part of the Viet Nam Forest Project and were jointly implemented by
the International Council for Bird Preservation (ICBP) and the Forest Birds
Working Group of the Centre for Natural Resources Management and
Environmental Studies (CRES) and the Institute of Ecology and Biological
Resources, Hanoi.
The main aims of this fieldwork were to undertake surveys for two globally
threatened pheasants: Edwards’s Pheasant Lophura edwardsi and Vietnamese
Pheasant L. hatinhensis and to identify core areas for their protection.
Further objectives were to prepare inventories of birds in Bach Ma and Nam
Bai Cat Tien National Parks and to carry-out preliminary surveys of endemic
birds on the Da Lat Plateau. For a full account of the results of these surveys
see Robson et al. (1991).
During this fieldwork new distributional data were obtained on Vietnamese
birds which are presented in this paper. Notable was the rediscovery of
Imperial Pheasant L. imperialis and the discovery of a population ofVietnamese
Pheasant at the same locality. Information was obtained on the status of a
number of other globally threatened species including Germain’s Peacock-
Pheasant Polyplectron germaini , Crested Argus Rheinardia ocellata, Green
Peafowl Pavo muticus , White-winged Duck Cairina scutulata , Red-collared
Woodpecker Picus rabieri, Blyth’s KingfisherH/cedo hercules, Bar-bellied Pitta
Pitta elliotii, Yellow-billed Nuthatch Sitta solangiae , Short-tailed Scimitar-
Babbler Jabouilleia danjoui , Collared Laughingthrush Garrulax yersini and
eight near- threatened species: Red-vented Barbet Megalaima lagrandieri,
Coral-billed Ground-Cuckoo Carpococcyx renauldi , Yellow-vented Green-
26
C. R. ROBSON et al.
Forktail 8
Pigeon Treron seimundi, White-winged Magpie Urocissa whiteheadi, Ratchet¬
tailed Treepie Temnurus temnurus, White-cheeked Laughingthrush Garrulax
vassali, Grey-faced Tit-Babbler Macronous kelleyi and Rufous-throated
Fulvetta Alcippe rufogularis (Collar and Andrew 1988).
ORNITHOLOGICAL REGIONS OF VIET NAM
Various authors have split Viet Nam into ornithological regions based on a
combination of zoogeographical and former colonial provincial boundaries.
King et al. (1975) used the old French colonial divisions for Viet Nam of
Tonkin, Annam and Cochinchina, further sub-dividing Annam into three
regions. These sub-divisions were modified by Vo Quy (1983) to follow
stricter zoogeographical boundaries with the division of both Tonkin and
Annam into two regions. As in our previous paper (Robson et al. 1989) we
follow the sub-divisions of Annam proposed by King et al. (1975) which
make it easier to determine the expansion of a species’s range. We also follow
the division of Tonkin into East and West proposed by Vo Quy (1983).
ABBREVIATIONS
ha = hectares, mm - millimetres, m = metres above sea level, max =
maximum, min - minimum, NP = national park.
ITINERARY
1993
Further records of birds from Viet Nam
27
Figure 1. Viet Nam, showing locations mentioned in text.
28
C. R. ROBSON et al.
Forktail 8
MAIN LOCALITIES VISITED
1. Nam Bai Cat Tien National Park (1 1°27’N 107°18’E)
Nam Bai Cat Tien National Park covers an area of 36,500 ha in Dong Nai
Province (Cochinchina).
The western half of the park is occupied by a range of well forested low hills
(150-350 m) which are covered by semi-evergreen and deciduous forest.
The eastern half is mostly level lowland (120-150 m) with a mosaic of logged
and secondary evergreen forest, grassy clearings and areas of bamboo. An
area of seasonal swamp forest and seasonally flooded grassland flanked by
other riparian habitats, is situated in the centre of the park (Robson et al.
1991). Forest in the park has been classified generally as Lowland Semi-
Evergreen (MacKinnon and MacKinnon 1986) or Closed Broadleaved
Tropical Evergreen Seasonal Lowland (mostly dominated by
Dipterocarpaceae, Fabaceae, Meliaceae and Sapindaceae) with Closed
Bamboo Tropical Lowland and Sub-Montane (CVRER 1985).
Areas of forest within the park were affected by herbicide spraying during
the Viet Nam War. Following the war some army units remained in the park
and cleared areas of forest where rice and sugar-cane are now cultivated.
Logging operations were carried-out until 1978 when the site was proposed
as a national park (Robson et al. 1991).
2. Mount Lang Bian (12°02’N 108°26’E)
Mount Lang Bian (2,267 m) is the second highest peak on the Da Lat
Plateau, situated to the north of Da Lat, Lam Dong Province (South
Annam) .
All the land below 1 ,500 m is now under cultivation or has been deforested.
Forests of Pinus insularis, with little or no understorey are found on the lower
slopes of the mountain, reaching an altitude of 1,850-1,900 m on south
facing slopes. This forest may represent a natural forest type or may have
evolved as a fire climax. Patches of degraded broadleaved forest occur in the
well-watered gullies. Much of the pine forest on the south-west of the
mountain has been cleared and is now covered by grassland (Robson et al.
1991). Above 1,650 m (generally) the mountain is covered in Tropical
Montane Evergreen forest (MacKinnon and MacKinnon 1986). This forest
covers an area of 300 ha and is dominated by Fagaceae. On the summit ridge
above 2,000 m Rhododendron langbianense and R. fleuryi were recorded. A
large area of scrub covers the north-facing slope of the south-western part of
the mountain (1,700-1,850 m) where the broadleaved forest has recently
been cleared.
In the evergreen forest there is intense in situ charcoal production, firewood
collection and timber extraction. Many of the trees in the pine forest are
1993
Further records of birds from Viet Nam
29
tapped for their resin and the grasslands and pine forest are subject to grazing
by cattle (Robson et al. 1991).
3. Bach Ma National Park (16° l l’N 107°50’E)
This national park covers an area of 18,900 ha in Thua Thien Province
(Central Annam).
The terrain is steep and mountainous with elevation ranging from sea level
to 1,450 m at the summit of Mount Bach Ma. The reserve protects one of
the few remaining examples of ‘everwet’ forest in Viet Nam. Forest types in
the park have been classified as follows: Lowland Evergreen (MacKinnon
and MacKinnon 1986) also described as Closed Broadleaved Ombrophilous
Lowland (CVRER 1985) and “Everwet” (Vo Quy 1985); Lowland Semi-
Evergreen (MacKinnon and MacKinnon 1986) or Closed Broadleaved
Tropical Evergreen Seasonal Lowland dominated by Dipterocarpaceae,
Fabaceae, Meliaceae and Sapindaceae (CVRER 1985) and T ropical Montane
Evergreen (MacKinnon and MacKinnon 1986).
Much of the forest was damaged by herbicide spraying during the Viet
Nam War and logging which only ceased in 1989 (Robson et al. 1991).
Mount Bach Ma is one of a number of small “islands” of habitat in Central
and North Annam that form a link between the montane fauna and flora of
West Tonkin and South Annam.
4. Cat Bin-Ho Ke Go ( 1&05’N 106'02’E, Cat Bin)
Ho Ke Go reservoir and the settlement of Cat Bin to the south-east are
situated within the Cam Ky Forestry Enterprise in south-east Cam Xuyen
District, Nghe Tinh Province (North Annam).
The terrain is gently undulating (40-200 m) and intersected by numerous
streams and rivers. There are a few isolated low hills reaching a maximum
height of 450 m. The area is still largely forested, although this is logged or
consists of secondary forest formations (Robson et al. 1991). Forest types
in the area have been classified as Lowland Semi-Evergreen (MacKinnon
and MacKinnon 1986) or Closed Broadleaved Tropical Evergreen Seasonal
Lowland dominated by Dipterocarpaceae, Fabaceae, Meliaceae and
Sapindaceae (CVRER 1985).
Large areas of forest have been replaced by plantations of the native tree
Manglietia glauca. The older plantations often have a well-developed
understorey and provide habitat for some forest bird species. Although
authorized logging ceased in 1978, the area is under great pressure from
wood-cutters (Robson et al. 1991).
30
C. R. ROBSON etal.
Forktail 8
RECORDS OF PARTICULAR INTEREST
SCALY-BREASTED PARTRIDGE Arborophila chloropus Common in
Nam Bai Cat Tien NP (140 m).
Not recorded for many years. In Viet Nam, the species only occurs below
600 m and we consider it to be a lowland forest specialist. The subspecies
involved, coqnacqi, has not been recorded for many years.
ANNAM PARTRIDGE A rborophila merlini Common in Bach Ma NP (90-
600 m).
Not recorded for many years. Only occurs below 600 m and we consider
it to be a lowland forest specialist. It is, therefore, threatened by lowland
deforestation. Probably best regarded as conspecific with A. chloropus.
SILVER PHEASANT Lophura nycthemera Observed on three occasions in
Bach Ma NP (500-1,000 m), from 28 January-6 February.
The subspecies involved, beli, is a restricted range Vietnamese endemic,
which is now probably threatened by deforestation.
IMPERIAL PHEASANT Lophura imperialis A live immature male was
brought to us by a group of rattan collectors at Cat Bin, on 28 February.
Unfortunately the bird had not been fed properly for at least three days and,
despite considerable efforts to save it, died the following morning. The
specimen was preserved and is now held in Hanoi. It was trapped in
secondary lowland forest (50-100 m), 12 km west of Cat Bin. Two adult
male Vietnamese Pheasants were reported to have been trapped in the same
snare line. The measurements of the bird were as follows: wing (max. cord,
flattened and straightened) 252 mm; wing point 6=7; tail 303 mm; bill
(exposed culmen) 33 mm, (exposed culmen from distal point of nostril) 19
mm; tarsus (and joint with tibia) 1 03 mm; central toe (max. with nail) 64 mm;
spur (max.) 1 2 mm; crest (max.) 70 mm. Soft parts: iris olive ochre-colored;
bill pale whitish or greyish-horn; facial skin scarlet; legs and feet pinkish-red;
toe-nails and spurs whitish. The testes measured 13x5 mm and 12x4 mm
and were both uniformly dark grey. For further details see Robson et al.
(1991). This species was previously only known from a pair sent alive to J.
Delacour in 1 923 by two missionaries. They were apparently trapped on the
border of the old provinces of Donghoi and Quangtri, Central Annam
(Delacour and Jabouille 1931). Our record constitutes a considerable
northward range extension of this globally threatened species (Collar and
Andrew 1988). Several authors, including Collar and Andrew (1988),
Delacour and Jabouille (1931) and King etal. (1975) state that the species
occurs in Central Laos. The record in question (David-Beaulieu 1 949) is not
supported by a specimen and was, in fact, based on a vague description of a
bird given by local hunters. David-Beaulieu did not observe the bird himself
and simply presumed that it was L. imperialis. Few details are mentioned,
other than that the birds apparently had a black crest. If this record is
1993
Further records of birds from Viet Nam
31
discounted as unreliable, then the species is only known from Viet Nam. The
sympatric occurrence of this species with the closely related Vietnamese
Pheasant warrants further investigation.
VIETNAMESE PHEASANT Lophura hatinhensis At Cat Bin, at least 1 1
males and two females were reported to have been trapped between the start
of the Vietnamese New Year (27 January) and 28 February.
Information was gathered on this species from rattan collectors and
hunters, who had snared birds in forest up to 12 km west of Cat Bin (see
Robson etal. 1991). All the males were described as having white crests and
central tail feathers. The records of females should be considered with
caution, as confusion is possible with female Imperial Pheasant. The legs and
featherless heads of two males were retrieved, and one set was photographed
beside a measuring scale, and the other set was deposited at the British
Museum (Natural History), Tring. Several bundles offeathers were examined.
Birds were also reported to be present, and often trapped, in areas of
secondary forest and plantations to the north-west and north-east of Cat Bin.
As a result of the survey, we believe it is probably well distributed throughout
the south-east part of the Cam Ky Forestry Enterprise, which surrounds Ho
Ke Go (50-200 m). The species was found in level or gently sloping terrain
covered by secondary and logged lowland evergreen forest with a well
developed understorey of palmate palms and rattans interspersed with
patches of bamboo. Birds were reported as having been trapped close to
streams, where vegetation is often denser, providing safe cover (Robson et al.
1991). Endemic to Viet Nam, this species was only discovered in 1964 and
was considered globally threatened by Collar and Andrew (1988) . It is a very
poorly known species, the female having remained undescribed until April
1990 (Rozendaal etal. 1991). Single specimens were collected from Ky Son
(1964) and Ky Thuong or Ky Son (1974), Ky Anh, Nghe Tinh Province,
North Annam. Four live birds (two pairs) were purchased by the Hanoi
Zoological Garden in 1990 and were said to have originated in Minh Hoa
District, Quang Binh, North/Central Annam (Rozendaal et al. 1991). One
of the females died subsequently.
SIAMESE FIREBACK Lophura diardi A single female was seen in Nam Bai
Cat Tien NP, on 31 December.
This species was considered globally threatened by Collar and Andrew
(1988).
GERMAIN’S PEACOCK-PHEASANT Polyplectron germaini Recorded
almost daily in Nam Bai Cat Tien NP (140 m).
Birds were found in thorny bamboo brakes as well as logged and secondary
forest. The call of the male is easily distinguishable from that of Grey
Peacock-Pheasant P. bicalcaratum. It consists of a series of low, purring
rattles (two to four seconds in duration each) repeated at three to eleven
second intervals; the intervals decreasing in time when the bird is alarmed or
32
C. R. ROBSON el al.
Forktail 8
responding to a rival bird. This species is endemic to southern Viet Nam,
apparently occurring as far north as Qhinhon in southern Central Annam
(Delacour and Jabouille 1931) and was considered globally threatened by
Collar and Andrew (1988). The only other recent record is of some feathers
collected by G. E. Morris during a visit to Nam Bai Cat Tien NP in winter
1986/87 (Morris 1987).
CRESTED ARGUS Rheinardia ocellata During survey work in Bach Ma NP
(100-1 ,000 m), at least 75 birds were recorded calling and a single male seen.
The species was uncommon in the Cat Bin area, where 20-25 birds were
heard calling, mostly on hills (150-300 m).
Birds were recorded in primary, logged and secondary evergreen forest. At
Bach Ma NP, calling was mostly recorded between 1 00 and 700 m (Robson
et al. 1991). It is subject to intense hunting pressure at Cat Bin (Robson et
al. 1991). The latest records support our 1988 findings (Robson etal. 1989),
that the species is still widespread, but more localized than in the past due to
habitat loss. It was considered globally threatened by Collar and Andrew
(1988).
GREEN PEAFOWL Pavo muticus In Nam Bai Cat Tien NP (140 m), 17
calling males were located. A single male was observed just outside the
boundary of Bach Ma NP ( 1 50 m), on 24 January and two or three females
reported to be present in the same area by local hunters (Robson etal. 1991).
In Nam Bai Cat Tien NP, birds were recorded in level forest edge
bordering freshwater marsh and in dryer areas of swamp forest. The birds
at Bach Ma were in scrub and open country. This species was formerly
widespread in open and secondary forest up to 900 m and considered to be
one of the commonest pheasants in Indochina (Delacour and Jabouille
1931). It was considered globally threatened by Collar and Andrew (1988).
WHITE-WINGED DUCK Cairina scutulata A single individual was
observed flying low over swamp forest in Nam Bai Cat Tien NP, on 4
January.
This is the first record of this globally threatened species (Collar and
Andrew 1988) in Viet Nam since 1931 (Green 1992).
RED-COLLARED WOODPECKER Picus rabieri Two seen in Bach Ma
NP, on 29 January and two or three in the Cat Bin area, on 17 February.
Observed in secondary evergreen forest. This little known species, which
is restricted almost exclusively to Viet Nam and Laos, was considered
globally threatened by Collar and Andrew (1988).
GREAT SLATY WOODPECKER Mulleripicus pulverulentus This species
was heard calling and drumming in the Cat Bin area, on 1 6 and 1 9 February.
Not recorded for North Annam by King et al. (1975).
RED-VENTED BARBET Megalaima lagrandieri Fairly common in Nam
Bai Cat Tien NP (140 m), from 23 December-5 January; a single bird on
1993
Further records of birds from Viet Nam
33
Mount Lang Bian (1,900 m), on 10 January; one at Da Tan La (1,350 m),
South Annam, on 12 January; uncommon inBachMaNP (100-700 m) and
common around Cat Bin (50-200 m), from 14-24 February.
Birds were recorded in primary, logged and secondary evergreen forests.
Considered a near-threatened species by Collar and Andrew (1988).
BLACK-BROWED BARBET Megalaima oorti Several birds seen in Bach
Ma NP (225-1,300 m), from 31 January-4 February.
King et al. (1975) and Vo Quy (1983) recorded it only from South Annam
in Viet Nam. The former authors stated that it occurs only from 900-1,500
m.
RED-HEADED TROGON Harpactes erythrocephalus Recorded as low as
250 m in Bach Ma NP and common around Cat Bin (50-200 m).
The species is generally found above 600 m in South-East Asia but
sometimes lower in Myanmar (King et al. 1975).
BLYTH’S KINGFISHER Alcedo Hercules At least three pairs were found in
the Cat Bin area (50-100 m).
Birds were found frequenting larger forest streams in secondary lowland
forest and scrub. A nest hole under excavation, was found in a sandy
riverbank near Cat Bin. The entrance to the nest hole was circular, its width
70 mm and length from top to bottom 80 mm. The presumably incomplete
burrow was 220 mm long. The nest hole was located 650 mm from the top
of the bank which was overhung by bamboo and 2,460 mm above the river.
The explosive flight call, hoarser than that of Common Kingfisher A. atthis,
and more reminiscent of a loud Blue-eared Kingfisher A meninting , was often
heard. One bird was trapped and photographed in the hand (Long et al.
1992). In Viet Nam, King et al. (1975) and Vo Quy (1983) recorded it only
from Tonkin. However, it was listed by Stepanyan et al. (1983) for Central
Annam. It was considered a globally threatened species by Collar and
Andrew (1988).
HODGSON’S HAWK-CUCKOO Cuculus fugax A single bird seen, and
another heard calling, at Kon Cha Rang Nature Reserve, Central Annam,
from 12-17 May 1988.
These records, which were omitted from Robson etal. (1989), are the first
for Central Annam, since King et al. (1975) did not list it from that region.
CORAL-BILLED GROUND-CUCKOO Carpococcyx renauldi At least six
were recorded in Bach Ma NP (400-700 m), from 27 January-8 February;
common in the Cat Bin area (50-250 m), from 15 February-3 March.
Birds were found in primary and secondary evergreen forest. The species
was considered near-threatened by Collar and Andrew (1988).
MOUNTAIN SCOPS-OWL Otus spilocephalus A single bird was heard
calling in Nam Bai Cat Tien NP, on 26 and 29 December.
The species was not recorded from Cochinchina by King et al. (1975).
34
C. R. ROBSON et al.
Forktail 8
COLLARED SCOPS-OWL Otus lempiji One calling at Cat Bin, from 14-
21 February.
The occurrence of this species in North Annam was considered questionable
by King et al. (1975).
COLLARED OWLET Glaucidium brodiei A single bird was heard calling at
Cong Troi, South Annam, on 1 1 January.
Not recorded from South Annam by King et al. (1975).
ROCK PIGEON Columba livia Feral birds of this species were regularly
recorded in urban areas throughout Viet Nam.
The occurrence of the species in Viet Nam was considered questionable by
King et al. (1975), and it was not listed by Vo Quy (1983).
BARRED CUCKOO-DOVE Macropygia unchall Found in large flocks
gleaning rice from paddy stubble in Nam Bai Cat Tien NP ( 1 40 m), from 23-
27 December. The largest number recorded was 1 50 on the 23 December.
The occurrence of this species in Cochinchina was considered questionable
by King et al. (1975), who also stated that it only occurs above 300 m.
YELLOW-VENTED GREEN-PIGEON Treron seimundi A mounted
specimen was examined at the headquarters of Bach Ma NP in January. The
bird was collected along the road to Mount Bach Ma during July-November
1989.
The species was considered near-threatened by Collar and Andrew (1988).
SLATY-LEGGED CRAKE Rallina eurizonoides A single bird was observed
in Bach Ma NP (450 m), on 19 January.
This is only the third record for Viet Nam and Indochina. The previous
records were from Quangtri and Thualuu (Delacour and Jabouille 1931).
COMMON COOT Fulica atra Three at the Cua Gianh ferry, North Annam,
on 17 December.
Not recorded from North Annam by King et al. (1975).
MARSH SANDPIPER Tringa stagnatilis At least 60 on salt pans south of Ba
Ngoi, Cam Ranh Bay, South Annam on 1 9 December; ten on salt pans north
of Phan Thiet, South Annam, also on 19 December.
Not recorded from South Annam by King et al. (1975) or from southern
Annam by Vo Quy (1983).
RUDDY TURNSTONE Arenaria interpres Three birds on salt pans north
of Phan Thiet, South Annam on 19 December.
Not recorded from South Annam by King et al. (1975) or from southern
Annam by Vo Quy (1983).
LONG-TOED STINT Calidris subminuta At least 60 on salt pans south of
Ba Ngoi, Cam Ranh Bay, South Annam on 19 December; five on salt pans
north of Phan Thiet, South Annam, also on 19 December.
Not recorded from South Annam by King et al. (1975) or from southern
1993
Further records of birds from Viet Nam
35
Annam by Vo Quy (1983). However, it was said to occur throughout South
Vietnam by Wildash (1968).
NORTHERN LAPWING Vanellusvanellus Flocks were recorded as follows:
at least 50 north of Thanh Hoa, East Tonkin; 20 between 20 km and 56 km
north of Vinh, North Annam, and 20 at Ky Anh, North Annam, all on 17
December.
Not recorded from Viet Nam by King et al. (1975). However, it has
subsequently occurred in East Tonkin according to Vo Quy (1981, 1983).
GREY-HEADED LAPWING Vanellus cinereus A total of at least 517 were
recorded between 40 km north of Ha Tinh and 19 km south of Ha Tinh,
North Annam, and along the road to Ho Ke Go, on 17 December, 11-13
February and 5 March. The largest flocks recorded were 130+ birds 17 km
south of Ha Tinh, on 17 December, 80 birds 40 km north of Ha Tinh, on 13
February and up to 80 birds 16 km south of Ha Tinh on 17 December and
13 February.
North Annam may be an important wintering area for this species, which
is rarely recorded anywhere in large numbers.
JERDON’S BAZA Aviceda jerdoni A single bird was observed hunting on
Mount Lang Bian (2,100 m) on 10 January.
King et al. (1975) and Vo Quy (1983) were not aware of any records from
Viet Nam. However, there are recent reports of this species from East T onkin
(Ratajszczak 1987), northern Viet Nam (Stepanyan 1987) and Cochinchina
(Morris 1986). This is the first record for South Annam.
GREY-HEADED FISH-EAGLE Ichthyophaga ichthyaetus At least eight
sightings in various wetlands within Nam Bai Cat Tien NP, from 25
December-5 January. A single bird was recorded over the south-east corner
of Ho Ke Go, on 14 February.
This scarce species was considered a lowland forest specialist by Round
(1988).
COMMON BUZZARD Buteo buteo One dark phase bird near Ky Anh,
North Annam, on 1 1 February, one between Ha Tinh and Vinh, North
Annam and another between Vinh and Thanh Hoa, North Annam, both on
5 March.
Not recorded from North Annam by King et al. (1975).
RUFOUS-BELLIED EAGLE Hieraeetus kienerii One over the headquarters
of Nam Bai Cat Tien NP, on 29 January.
Not recorded from Cochinchina by King et al. (1975).
COMMON KESTREL Falco tinnunculus Single birds were recorded
between 20 km and 56 km north of Vinh, North Annam, on 17 December
and between Ky Anh and Ha Tinh, North Annam, on 1 7 December and 1 1
February.
Not recorded from North Annam by King et al. (1975).
■36
C. R. ROBSON et al.
Forktail 8
PEREGRINE FALCON Falco peregrinus Single birds were observed 16 km
north of Ha Tinh, North Annam and 55 km south of Ky Anh, North Annam,
on 17 December.
Not recorded from North Annam by King et al. (1975).
LITTLE GREBE Tachybaptus mficollis Four in Nam Bai Cat Tien NP, on
3 January.
Not recorded from Cochinchina by King et al. (1975).
CHINESE POND-HERON Ardeola bacchus A minimum of 1,178 Ardeola
sp. were recorded in Nam Bai Cat Tien NP, from 24 December-6 January.
As no pond-herons were recorded at this locality during a visit in June
1 99 1 , it seems probable that these records refer to over- wintering A bacchus.
King et al. (1975) give its status in Cochinchina as uncertain.
PAINTED STORK Mycteria leucocephala An estimated maximum of 28-35
birds were recorded in Nam Bai Cat Tien NP from 24 December-5 January.
WOOLLY-NECKED STORK Ciconia episcopus An estimated 12-17 birds
were recorded, singly or in pairs, at various locations in Nam Bai Cat Tien
NP, from 24 December-6 January.
LESSER ADJUTANT Leptoptilos javanicus An estimated 16-19 birds were
recorded at various locations in Nam Bai Cat Tien NP, from 24 December-
5 January, with a maximum of eight on the 31 December.
Nam Bai Cat Tien NP is the only known breeding locality in Viet Nam for
this globally threatened species (Collar and Andrew 1988; Morris 1988;
Scott 1989).
BAR-BELLIED PITTA Pitta elliotii At least three birds in Nam Bai Cat Tien
NP, on 31 December; common in Bach Ma NP and the Cat Bin area.
Although considered globally threatened by Collar and Andrew (1988),
these records present further evidence that the species is widespread in Viet
Nam, occurring in secondary and logged forest, and even in scrub.
ORANGE-BELLIED LEAFBIRD Chloropsis hardwickii Several individuals
recorded on Mount Lang Bian (1,800-2,100 m), from 8-13 January.
Not recorded from South Annam by King et al. (1975).
WHITE- WINGED MAGPIE Urocissa whiteheadi Uncommon in Bach Ma
NP (200-1,400 m), from 21-3 1 January but common in the Cat Bin area (50-
200 m), from 17-25 February.
In Bach Ma NP, it was recorded in logged and secondary evergreen forest;
at Cat Bin it also occurred in plantations of Manglietia glauca. This species
was considered near-threatened by Collar and Andrew (1988). King et al.
(1975) stated that it only occurs on mountains.
RATCHET-T AILED TREEPIE Temnurus temnurus Common in Bach Ma
NP (100-1,150 m) and in the Cat Bin area (50-200 m).
It was recorded in primary, logged and secondary evergreen forest and even
in scrub. The species was considered near-threatened by Collar and Andrew
1993
Further records of birds from Viet Nam
37
(1988). King et al. (1975) stated that it only occurs at low altitudes.
SLENDER-BILLED ORIOLE Oriolus tenuirostris Recorded up to 1,850 m
on Mount Lang Bian.
According to King et al. (1975) this species only occurs up to 1,525 m in
South-East Asia.
MAROON ORIOLE Oriolus traillii Several birds were recorded as low as 1 00
m in the Cat Bin area.
Only found above 600 m in South-East Asia according to King et al.
(1975).
LESSER RACKET-TAILED DRONGO Dicrurus remifer Two birds in
Nam Bai Cat Tien NP (140 m), on 28 December.
Not recorded from Cochinchina by King et al. (1975).
WHITE-THROATED ROCK-THRUSH Monticola gularis A single female
in Bach Ma NP (225 m), on 4 February.
Not recorded from Central Annam by King et al. ( 1 975), or from northern
Annam by Vo Quy (1983).
BLUE WHISTLING-THRUSH Myiophonus caeruleus Two seen in Nam
Bai Cat Tien NP, on 25 January.
Not recorded from Cochinchina by King et al. (1975).
ORANGE-HEADED THRUSH Zoothera citrina One seen in Nam Bai Cat
Tien NP, on 28 December and several birds in the Cat Bin area, from 24
February- 1 March.
Not recorded from Cochinchina or North Annam by King et al. (1975).
SIBERIAN THRUSH Zoothera sibirica Common in Bach Ma NP.
Not recorded from Central Annam by King et al. (1975) or from northern
Annam by Vo Quy (1983).
JAPANESE THRUSH Turdus cardis Fairly common in flocks, associating
with Z. sibirica , in Bach Ma NP.
In Viet Nam, King et al. (1975) recorded it only from Tonkin and North
Annam; Vo Quy (1983) only lists the species for Tonkin.
DARK-SIDED FLYCATCHER Muscicapa sibirica A single bird in Bach
Ma NP, on 8 February.
Not recorded from Central Annam by King etal. (1975), or from northern
Annam by Vo Quy (1983).
MUGIMAKI FLYCATCHER Ficedula mugimaki A single bird was seen in
Bach Ma NP (1,250 m), on 31 January.
Not recorded from Central Annam by King etal. (1975), or from northern
Annam by Vo Quy (1983).
WHITE-TAILED BLUE-FLYCATCHER Cyomis concretus At least three
pairs were recorded in the Cat Bin area (100-150 m).
In Viet Nam, King etal. (1975) and Vo Quy (1983) recorded it only from
38
C. R. ROBSON et al.
Forktail 8
Tonkin. However, it was recorded in Central Annam in 1 988 (Robson et al.
1989). King et al. (1975) stated that it only occurs above 900 m in South-
East Asia.
SIBERIAN RUBYTHROAT Luscinia calliope One male in Nam Bai Cat
Tien NP, on 1 January.
Not recorded from Cochinchina by King et al. (1975).
BLUETHROAT Luscinia svecica At least three birds, including a male
singing, in Nam Bai Cat Tien NP on 3 January, and a single male at Bach Ma
NP on 2 February.
King et al. (1975) did not record this species for Cochinchina or Central
Annam.
SIBERIAN BLUE ROBIN Luscinia cyane Found in small numbers in Nam
Bai Cat Tien NP, from 26-31 December.
Not recorded from Cochinchina by King et al. (1975).
YELLOW-BILLED NUTHATCH Sitta solangiae Recorded daily in small
numbers on Mount Lang Bian (1,700-1,950 m) and a single bird seen at
nearby CongTroi, South Annam (1,750 m), on 1 1 January.
Birds were observed in mixed species flocks in logged and primary
evergreen forest. The closely related Velvet-fronted Nuthatch S', frontalis was
found occurring as high as 1,350 m at Da Tan La, immediately south of Da
Lat, South Annam, on 12 January. This confirms that these two species,
which have often been considered conspecific, overlap in range but are
altitudinally allopatric. We tape-recorded the call of this species, and it was
described from the tapes by S. Harrap (in litt.) as consisting of “sit” or “chip”
notes, run together into a fast rattling trill, 1-2.5 seconds in duration; its voice
is similar to that of S. frontalis but perhaps purer and mellower (less stony),
recalling European Greenfinch Carduelis chloris. This little-known species is
endemic to Viet Nam and southern China and was considered globally
threatened by Collar and Andrew (1988).
SULTAN TIT Melanochbra sultanea Common in Bach Ma NP (220-1,400 m).
The above records are of the little-known black-crested subspecies M. s.
gaeti, which is endemic to Central Annam. It had not previously been
recorded north of the Hai Van pass, northern Annam (Vo Quy 1 983). King
et al. (1975) stated that the species only occurs up to 900 m in South-East
Asia.
BLACK-THROATED TIT Aegithalos concinnus Common in Bach Ma NP
(above 1,200 m), from 30-31 January.
Not recorded from northern Annam (i.e. north of the Hai Van pass) by Vo
Quy (1983).
ASIAN HOUSE-MARTIN Delichon dasypus A flock of up to 30 birds over
Mount Lang Bian (1,700-2,000 m), from 7-14 January and several flocks of
up to 20 birds in Bach Ma NP (500-1,400 m), from 28-31 January.
1993
Further records of birds from Viet Nam
39
Birds were identified by a combination of their dusky-tinged underparts
and lack of an obvious fork in the tail. King etal. (1975) and Vo Quy (1983)
did not record the species from Viet Nam. However, there is a recent
unpublished sight record from Yok Don Reserve, Dac Lac Province, South
Annam, which would constitute the first record for Indochina (Laurie et al.
1989).
LIGHT- VENTED BULBUL Pycnonotus sinensis Recorded in flocks of up
to 80 birds in Bach Ma NP, from 2-9 February.
All the birds observed appeared to be P. s. sinensis , a migrant from south
China. In Viet Nam, King et al. (1975) and Vo Quy (1983), list this
subspecies only from East Tonkin.
ZITTING CISTICOLA Cisticola juncidis Up to three birds seen in Nam Bai
Cat Tien NP, from 27-29 December.
Not recorded from Cochinchina by King et al. (1975).
ASIAN STUBTAIL Urosphena squameiceps Small numbers were recorded
in Bach Ma NP; common in the Cat Bin area.
In Viet Nam, King etal. (1975) and Vo Quy (1983) recorded it only from
Tonkin.
PALLAS’S WARBLER Locustella certhiola Common in Nam Bai Cat Tien
NP.
Not recorded from mainland Viet Nam by Delacour and Jabouille (1931)
and King et al. (1975).
BLACK-BROWED REED-WARBLER Acrocephalus bistrigiceps Common
in Nam Bai Cat Tien NP.
Not recorded from Cochinchina by King et al. (1975).
[BLUNT-WINGED WARBLER Acrocephalus concinens Several birds,
believed to be this species, were observed at close range in Nam Bai Cat Tien
NP, on 31 December.
We were not able to trap any birds to confirm their identification. There
are no previous records from Viet Nam or Indochina.]
PALE-LEGGED LEAF-WARBLER Phylloscopus tenellipes Common in
Nam Bai Cat Tien NP.
King et al. (1975) recorded the species from all regions of Viet Nam and
Indochina, except Cochinchina, whereas Vo Quy (1983) lists it only for east
Tonkin and northern Annam.
WHITE-TAILED LEAF-WARBLER Phylloscopus davisoni Common, with
many birds in full song, in Bach Ma NP (1,200-1,450 m), from 30 January-
1 February; present in small numbers in the Cat Bin area (50-150 m).
King et al. (1975) did not record it from Central Annam and state that it
has only been found above 900 m in South-East Asia. Vo Quy (1983) lists
it as a resident only in east Tonkin and southern Annam. The Bach Ma
records fill a large gap in its known breeding range in Viet Nam.
40
C. R. ROBSON et al.
Forktail 8
GREY-CHEEKED WARBLER Seicercus poliogenys Common in Bach Ma
NP (1,100-1,450 m), from 30 January-1 February.
Not recorded from Central Annam by King et al. (1975), who also stated
that the species only occurs above 1,220 m in South-East Asia. The above
records represent a major southward range extension in Viet Nam and
Indochina.
GREY LAUGHINGTHRUSH Garrulax maesi Common, in small flocks, in
the vicinity of ‘Pass 41’ and Lang Ka Kou (700-900 m), Thua Thien
Province, Central Annam, from 3-12 June 1988.
Found in primary hill-evergreen forest. These records were omitted from
Robson et al. (1989), pending confirmation of the identification. The birds
closely resembled the form from North and Central Laos, G. m. varennei,
which has rufescent ear-coverts. In Viet Nam, King etal. (1975) and Vo Quy
(1983) recorded the species only from Tonkin, and there are no Vietnamese
records of G. m. varennei. The species was considered near-threatened by
Collar and Andrew (1988).
WHITE-CHEEKED LAUGHINGTHRUSH Garrulax vassali A flock of at
least five birds on Mount Lang Bian (1,900 m), on 8 January.
The birds were found in scrub adjacent to logged evergreen forest.
Considered a near-threatened species by Collar and Andrew (1988).
COLLARED LAUGHINGTHRUSH Garrulax yersini Observed in small
numbers and considered uncommon on Mount Lang Bian (1 ,700-2, 1 00 m),
on 8-10 and 14 January; heard at nearby Cong Troi, South Annam (1,750
m), on 1 1 January.
Recorded in dense undergrowth in logged and primary evergreen forest.
Several call types were tape-recorded: one that was assumed to be the song
may be described as a quiet, mellow “wueeoo” or “chuweeo”, rising at the
end and given at 3-5 second intervals; two or three birds were noted making
this call to one another. A slightly different version was used in a pair duet:
one bird called “wu-eeyou”, the pitch rising very sharply at the end, and this
was answered by a hoarse “waaar”. Another call, considered to be the alarm
call was a series of rapidly repeated, variable, buzzy, grating notes “greek
greek greek greek greek-greek-grrrer”, the last three or so notes slurred
together. This striking species is endemic to the Da Lat Plateau and was
considered globally threatened by Collar and Andrew (1988).
ABBOTT’S BABBLER Malacocincla abbotti A single bird was seen in Nam
Bai Cat Tien NP (140 m), on 26 December.
King et al. (1975) did not recorded it from Cochinchina.
SCALY-CROWNED BABBLER Malacopteron cinereum Found to occurup
to 700 m in Bach Ma NP, on 6 and 8 February.
King et al. (1975) give the upper elevation limit for the species as 450 m in
South-East Asia.
1993
Further records of birds from Viet Nam
41
STREAK-BREASTED SCIMIT AR-BABBCER Pomatorhvius mficollis One
bird seen, and others heard, near Cat Bin (100 m), on 27 February and 1
March. During the 1988 Viet Nam Expedition (Robson et al. 1989), this
species was recorded as low as 400 m at nearby Son Tung, North Annam on
18 and 25 June.
King et al. (1975) recorded it as occurring only above 900 m in South-East
Asia.
SEIORT-T AILED SCIMITAR-BABBLERTafomz/tea danjoui At least two
seen, and another heard, in Bach Ma NP (700 m), on 8 February; an adult
with two juveniles seen and a single bird heard calling near Cat Bin (50-150
m), from 21-23 February.
Found in primary and secondary evergreen forest. An adult was mist-
netted and photographed at Cat Bin. This Vietnamese endemic was
considered globally threatened by Collar and Andrew (1988). The latter
records are the most northerly to date (Robson et al. 1989).
SPOT-NECKED BABBLER Stachyris striolata Common in Bach Ma NP
(50-900 m).
These records extend its known range in Viet Nam south-eastwards (see
Robson et al. 1989).
GREY-FACED TIT-BABBLER Macronous kelleyi Common in Nam Bai
Cat Tien NP (140 m) and Bach Ma NP (150-500 m); fairly common in the
Cat Bin area (50-200 m).
In Nam Bai Cat Tien NP it appeared to favour bamboo forest, while at
Bach Ma NP it occurred in logged primary and secondary evergreen forests.
We did not record the species above 700 m and we consider it to be a lowland
forest specialist. The records from Nam Bai Cat Tien NP are the first for
Cochinchina - it is not recorded from there by King et al. ( 1 975) . Those from
Cat Bin extend the known range of the species in Viet Nam and Indochina
northwards (Robson et al. 1989). It was considered near-threatened by
Collar and Andrew (1988).
WHITE-BROWED SHRIKE-BABBLER Pteruthius flaviscapis Common in
Bach Ma NP (1,200-1,450 m), from 30-31 January.
Although recorded in North and South Annam by King et al. (1975), this
species had not previously been recorded in Central Annam.
RUFOUS-THROATED FULVETTA Alcippe rufogularis Scarce in Bach
MaNP (100-700 m), from 6-8 February; a single singing bird was taped, but
was not seen, at Cat Bin on 1 March.
Birds were recorded in primary, logged and secondary evergreen forest.
Considered a near-threatened species by Collar and Andrew (1988).
SCALY-BREASTED MUNIA Lonchura punctulata Recorded up to 1,800
m on Mount Lang Bian.
King etal. (1975) recorded this species only up to 1,525 min South-East
Asia.
42
C. R. ROBSON etal.
Forktail 8
CHESTNUT BUNTING Emberiza rutila A single male at Cat Bin, on 3
March.
Not recorded from North Annam by King et al. (1975) or from northern
Annam by Vo Quy (1983).
We would like to express our gratitude to the following organisations, companies and individuals for their
financial support: The John Lewis Partnership p.l.c., Vogelbescherming Nederland, Fauna and Flora
Preservation Society, Royal Geographic Society, Rolex Watch Co. Ltd., World Pheasant Association,
Zoological Society for the Conservation of Species and Populations, Conder Conservation T rust, British
Ornithologists’ Union, Bird Exploration Fund, A. S. Butler Charitable Trust and Clifton Nicholson.
We would like to thank the following people for their support and assistance during the planning stages
of the 1989/90 visit: R. Barongi, Dr. D. Chivers, R. G. Cox, R. F. A. Grimmett, A. Laurie, Dr. G. E.
Morris, R. Ratajszczak, P. D. Round, D. A. Scott, S. Stuart, S. Usui and R. Wirth.
In Viet Nam we were assisted by many people, without whom fieldwork would not have been possible.
We would particularly like to extend our thanks to the following: Prof. Dr. Vo Quy, Dr. Le Dien Due
and Dr. Le Trong Cue at the University of Hanoi; Dr. Dang Huy Huynh and Dr. Nguyen Tien Ban at
the Centre for Ecology and Biological Resources, Hanoi; Dr. Doan Canh and Truong Quang Tam at
the Centre for Ecology, Ho Chi Minh; Do Tuoc of the Forest Inventory and Planning Institute, Ministry
of Forestry, Hanoi; Le Van Chiem (director). Bay Sot and Phan Thanh Tong at Nam Bai Cat Tien NP;
staff at the Ecology Institute, Da Lat; Huynh Van Keo (director), Truong Cu and Truong Ky at Bach
Ma NP; staff at Cam Ky Forestry Enterprise and Le Xuan at Cat Bin.
REFERENCES
Collar, N. J. and Andrew, P. (1988) Birds to watch: the ICBP world checklist of threatened birds. Cambridge,
U.K.: International Council for Bird Preservation (Techn. Publ. 8).
CVRER = Committee for Vietnam’s Resources and Environmental Research (1985) Vietnam National
Conservation Strategy (Draft). Gland, Switzerland: International Union for Conservation of Nature
and Natural Resources.
David-Beaulieu, A. (1949) Les oiseaux de la province de Savannakhet (Bas-Laos). L’Oiseaux R.F.O.
19:41-84, 153-194.
Delacour, J. andjabouille, P. (1931) Les oiseaux de L’Indochinefrancaise. Four volumes. Paris: Exposition
Coloniale Internationale.
Green, A. J. (1992) The status and conservation of the White-winged Wood Duck Cairina scutulata.
Slimbridge, U.K.: International Waterfowl and Wetlands Research Bureau (Spec. Publ. 17).
King, B. F., Dickinson, E. C. and Woodcock, M. W. (1975) A field guide to the birds of South-East Asia.
London: Collins.
Laurie, A., Ha dinh Due and Pham trung Anh (1989) Survey for Kouprey ( Bos sauveli) in western Daklak
Province, Vietnam. The Kouprey Conservation Trust. Unpublished.
Long, A., Eames, J. and Robson, C. (1992) Some hints on the identification of five Alcedo kingfishers
in the Orient. Bull. Oriental Bird Club 15: 18-23.
MacKinnon, J. and MacKinnon, K. (1986) Review of the protected areas system in the Indo-Malayan realm.
Gland, Switzerland and London, U.K.: International Union for Conservation ofNature and Natural
Resources.
Morris, G. E. (1986) Birds of prey in Vietnam. Bull, of the W. W.G. on Birds of Prey 3: 163-169.
Morris, G. E. (1987) News of Nam Cat Tien. Garrulax 2: 3-5.
Morris, G. E. (1988) Recent sight records of birds at Nam Cat Tien. Garrulax 4: 1 1-13.
Ratajszczak, R. (1987) Mammal and bird species seen in the Cue Phuong N.P., November 1987.
Unpublished.
1993
Further records of birds from Viet Nam
43
Robson, C. R., Eames, J. C., Wolstencroft, J. A., Nguyen Cu and Truong Van La (1989) Recent records
of birds from Viet Nam. Forktail 5: 71-97.
Robson, C. R., Eames, J. C., Newman, M., Nguyen Cu and Truong Van La (1991) Forest bird surveys
in Vietnam 1989/90: final report. Unpublished report to the International Council for Bird
Preservation.
Round, P. D. (1988) Resident forest birds in Thailand: their status and conservation. Cambridge, U.K.:
International Council for Bird Preservation (Monogr. 2).
Rozendaal, F., Nguyen Cu, Truong Van La and Vo Quy (1991) Notes on Vietnamese pheasants, with
description of female plumage of Lophura hatinhensis. Dutch Birding 13: 12-15.
Scott, D. A. (1989) A directory of Asian wetlands. Gland, Switzerland and Cambridge, U.K.: IUCN, The
World Conservation Union.
Stepanyan, L. S. (1987) [First record of Aviceda jerdoni (Blyth, 1842) (Accipitridae, Aves) in northern
Vietnam.] Nauch. Dokl. Vyssh. Shkoly (Biol. Nauki) 1987 (1): 42-45. (In Russian.)
Stepanyan, L. S., Vo Quy, Nguyen Cu and Truong Van La (1983) [Results of the research on
composition and distribution of avifauna in region Kon Ha Nung (Tay Nguyen Plateau).] Thong Bao
Khoa Hoc 1: 15-33. (In Viemamese.)
Vo Quy (1981) Chitn Viet Nam [Birds of Viet Nam], 2. Hanoi; Nha xuat ban khoa hoc va ky thuat Viet
Nam.
Vo Quy (1983) [A catalogue of the birds of Vietnam], Pp. 12-43 in L. N. Medvedev, ed. [Fauna and
ecology of the animals of Vietnam], Moskow: Nauka. (In Russian.)
Vo Quy (1985) Rare species and protection measures proposed for Viemam. Pp. 98-102 in J. W.
Thorsell, ed., Conserving Asia’s natural heritage. The planning and management of protected areas in the
Indomalayan Realm. Gland, Switzerland: International Union for Conservation of Nature and
Natural Resources.
Wildash, P. (1968) Birds of South Vietnam. Vermont, U.S.A.: Tuttle and Rutland.
C. R. Robson, 63 Stafford Street, Norwich NR2 3BD, U.K.
J. C. Eames, International Council for Bird Preservation, 32 Cambridge Road, Girton, Cambridge CB3 OPJ,
U.K.
Nguyen Cu and Truong Van La, Institute of Ecology and Biological Resource, NCSR, Hanoi, Viet Nam.
44
C. R. ROBSON etal.
Forktail 8
APPENDIX
ALL THE 1989/1990 EXPEDITION’S BIRD RECORDS FROM
VIET NAM
The numbers following each species
1 . Nam Bai Cat Tien NP
2. Da Lat area
3. Mount Lang Bian
4. Cong Troi
5. Da Tan La
6. Bach Ma NP
7. Cat Bin
correspond to the following localities (see Figure):
8. En route in Cochinchina
9. En route in South Annam
10. En route in Central Annam
1 1. En route in North Annam
12. En route in East Tonkin
13. Hanoi
The codes (in parentheses) which are attached to locality codes represent the following details of
breeding and occurrence:
(?) Identification uncertain
0 Specimen examined
B Breeding data obtained
C Adult observed carrying food
F Fledged young observed
M Birds observed carrying nest material
N Nest found:
e With eggs
b Nest building
i Adult on nest
n No contents
u Contents unknown
y With young
Chinese Francolin Francolinus pintadeanus 3, 4, 6
Blue-breasted Quail Cotumix chinensis 1
Rufous-throated Partridge Arborophila rufogularis 3, 6
Bar-backed Partridge A. brunneopectus 6, 7
Scaly-breasted Partridge A. chloropus 1
Annam Partridge A. merlini 6
Red Junglefowl Gallus gallus 1,6,7
Silver Pheasant Lophura nycihemera 3, 6
Imperial Pheasant L. imperials 7
Vietnamese Pheasant L. hatinhensis 7
Siamese Fireback L. diardi 1
Germain’s Peacock-Pheasant Polyplectron germaim 1
Grey Peacock-Pheasant P. bicalcaralum 6, 7
Crested Argus Rheinardia ocellata 6, 7
Green Peafowl Pavo muiicus 1 , 6
Lesser Whistling Duck Detidrocygna javanica 1
White-winged Duck Cairina scutulata 1
Cotton Pygmy-goose Nettapus coromandelianus 1
Common Teal Anas crecca 11,13
Gargancy A. qucrquedula 7,13
Northern Shoveler A. clypeala 13
Barred Buttonquail Tumix suscilator 1, 3, 7
1993
Further records of birds from Viet Nam
45
Speckled Piculet Picumnus innominatus
White-browed Piculet Sasia ochracea
Grey-capped Woodpecker Dendrocopos canicapillus
Rufous Woodpecker Celeus brachyurus
White-bellied Woodpecker Dryocopus javensis
Lesser Y ellownape Picus chlorolophus
Greater Y ellownape P. flavinucha
Laced Woodpecker P. vitlatus
Red-collared Woodpecker P. rabieri
Grey-faced Woodpecker P. camts
Common Flameback Dinopium javanense
Greater Flameback Chrysocolapies lucidus
Common/Greater Flameback D. javanense/C. lucidus
Pale-headed Woodpecker Gecinulus grantia
Bay Woodpecker Blythipicus pyrrhotis
Black-and-buff Woodpecker Meiglyptes jugularis
Heart-spotted Woodpecker Hemicircus canenie
Great Slaty Woodpecker Mulleripicus pulverulentus
Red-vented Barbet Megalaima lagrandieri
Lineatcd Barbet M. lineaia
Green-eared Barbet M. faiostricta
Black-browed Barbet M. oorti
Moustached Barbet M. incognita
Blue-eared Barbet M. australis
Coppersmith Barbet M. haetnacephala
Oriental Pied-Hornbill Anthracoceros albirostris
Great Hombill Buceros bicomis
Brown Hombill Anorrhinus tickelli
Wreathed Hombill Aceros undulatus
Orange-breasted Trogon Harpactes oreskios
Red-headed T rogon H. erythrocephalus
Indian Roller Coracias benghalensis
Dollarbird Eurystomus orientalis
Blyth’s Kingfisher Alcedo hercules
Common Kingfisher A. atthis
Blue-eared Kingfisher A. meninling
Stork-billed Kingfisher Pelargopsis capensis
White-throated Kingfisher Halcyon smymensis
Black-capped Kingfisher H. pileata
Collared Kingfisher Todirhatnphus chloris
Pied Kingfisher Cetyle rudis
Blue-bearded Bee-eater Nyctyomis athenoni
Little Green Bee-eater Merops orientalis
Blue-throated Bee-eater M. viridis
Blue-tailed Bee-eater M. philippinus
Chestnut-headed Bee-eater M. leschenaulti
Chestnut-winged Cuckoo Clamator coromandus
Large Hawk-Cuckoo Cuculus sparverioides
Indian Cuckoo C. micropterus
Cuckoo Cuculus spp.
Banded Bay Cuckoo Cacomantis sonneratit
Plaintive Cuckoo C. merulinus
Asian Emerald Cuckoo Chrysococcyx maculatus
Drongo Cuckoo Sumiculus lugubris
Green-billed Malkoha Phaenicophaeus tristis
Coral-billed Ground-Cuckoo Carpococcyx renauldi
5
1, 6, 7
1, 2, 3, 6, 7
7
1
1, 3, 7
1, 6, 7
1,7
6, 7
2.3
1
1
7
6, 7
3, 4, 6, 7
1
1
1,7
1, 3, 5, 6, 7
1
1, 6, 7 (Bnb)
3, 4,6
3,5
1
1
1, 7
L (?7)
6, 7
1
1
3, 4, 6, 7
1, 8, 9
1
7 (Bnb)
1, 6, 7, 9, 10, 11, 12, 13
7
1.6, 7, 10, 11, 12
1, 10, 11
10
1.7, 13
1.3
9, 10
9, 10
10
1,9
1
1, 2, 6, 8
7
1, 3
1,3
1,6, 7, 10
1,7
1, 6, 7
1, 5, 6, 7
6, 7
46
C. R. ROBSON etal.
Forktail 8
Greater Coucal Centropus sinensis
Lesser Coucal C. bengalensis
Vernal Hanging-Parrot Loriculus vemalis
Red-breasted Parakeet Psittacula alexandn
Himalayan Swiftlet Collocalia brevirosiris
Germain’s Swiftlet C. germani
Brown-backed Needletail Hirundapus giganieus
Needletail Hirundapus sp.
Asian Palm-Swift Cypsiurus balasiensis
Fork-tailed Swift Apus pacificus
House Swift A. mpalensis
Oriental Bay-Owl Phodilus badius
Mountain Scops-Owl Otus spilocephalus
Collared Scops-Owl O. lempiji
Brown Fish-Owl Keiupa zeylonensis
Tawny Fish-Owl K. flavipes
Collared Owlet Glaucidium brodiei
Asian Barred Owlet G. cuculoides
Brown Hawk-Owl Ninox scutulata
Great Eared-Nightjar Eurostopodus macrotis
Grey Nightjar Caprimulgus indicus
Large-tailed Nightjar C. macrurus
Nightjar Caprimulgus sp.
Spotted Dove Streptopelia chinensis
Red Collared-Dove S. tranquebarica
Barred Cuckoo-Dove Macropygia unchall
Emerald Dove Chalcophaps indica
Pink-necked Green-Pigeon Treron vemans
Pompadour Green-Pigeon T. pompadora
Thick-billed Green-Pigeon T. curvirostra
Yellow-vented Green-Pigeon T. seimundi
Wedge-tailed Green-Pigeon T. sphenura
Green-Pigeon Treron sp.
Green Imperial Pigeon Ducula aenea
Mountain Imperial Pigeon D. badia
Slaty-legged Crake Rallina eurizonoides
Slaty-breasted Rail Gallirallus striatus
White-breasted Waterhen Amauromis phoenicurus
Baillon’s Crake Porzana pusilla
Ruddy-breasted Crake P. fusca
Watercock Gallicrex cinerea
Purple Swamphen Porphyrio porphyrio
Common Moorhen Gallinula chloropus
Common Coot Fulica atra
Eurasian Woodcock Scolopax rusticola
Pintail Snipe Gallinago stenura
Common Snipe G. gallinago
Whimbrel Numenius phaeopus
Spotted Redshank Tringa erythropus
Common Redshank T. totanus
Marsh Sandpiper T. stagnatilis
Common Greenshank T. nebularia
Green Sandpiper T. ochropus
Wood Sandpiper T. glareola
Common Sandpiper T. hypoleucos
Ruddy Turnstone Arenaria interpres
1, 3, 6, 7
1,6
1
1.7
(?3)
1.8.9
7
1,6
1, 6, 7, 9
7
2,3
1
1.6.7
1,6,7
1
1
4, 6, 7
1.6.7
1, 7
1
6
1
7
1, 2, 6, 7, 8
1.9
1.3.6
1,3, 6,7
1
1
1
[6]
3, 4, 5, [6]
7
1.7
3, 5,7
6
1.6
1, 6
1
1
1
1
1, 10
10, 1 1
7
1,6
1, 6
9
7, 11
9
9
1, 6, 7, 10, 11
1, 6, 7, 10, 11, 13
1,6,7, 8,9, 10, 11
1, 7, 9, 10, 13
9
1993
Further records of birds from Viet Nam
47
Sanderling Calidris alba
Rufous-necked Stint C. ruficollis
Long-toed Stint C. subminula
Greater Painted-snipe Rostratula bcnghalemis
Bronze-winged Jacana Metopidius indicus
Black-winged Stilt Himantopus himantopus
Pacific Golden-Plover Pluvialis fulva
Little Ringed Plover Charadrius dubius
Kentish Plover C. alexandrinus
Mongolian Plover C. mongolus
Northern Lapwing Vanellus vanellus
Grey-headed Lapwing V. cinereus
Red-wattled Lapwing V. indicus
Common Black-headed Gull Larus ridibundus
Little Tem Sterna albifrons
Whiskered Tem Chlidonias hybridus
Osprey Pandion haliaetus
Jerdon’s Baza Aviceda jerdoni
Black Baza A. leuphotes
Oriental Honey-buzzard Pemis plilorhyncus
Black-winged Kite Elanus caeruleus
Black Kite Milvus migrans
Grey-headed Fish-Eagle Ichthyophaga ichthyaetus
Crested Serpent-Eagle Spilomis cheela
Eastern Marsh-Harrier Circus spilonotus
Pied Harrier C. melanoleucos
Crested Goshawk Accipiter trivirgatus
Shikra A. badius
Grey-faced Buzzard Butastur indicus
Common Buzzard Buteo buteo
Black Eagle Ictinaelus malayensis
Rufous-bellied Eagle Hieraeetus kienerii
Changeable Hawk-Eagle Spizaeius cirrhatus
Collared Falconet Microhierax caerulescens
Common Kestrel Falco tinnunculus
Peregrine Falcon F. peregrinus
Little Grebe Tachybaptus ruficollis
Oriental Darter Anhinga melanogaster
Little Cormorant Phalacrocorax niger
Little Egret Egretta garzetta
Grey Heron Ardea cinerea
Purple Heron A. purpurea
Great Egret Casmerodius albus
Intermediate Egret Mesophoyx intermedia
Cattle Egret Bubulcus ibis
Chinese Pond-Heron Ardeola bacchus
Pond-Heron Ardeola sp.
Striated Heron Butorides striatus
Yellow Bittern Ixobrychus sinensis
Cinnamon Bittern I. cinnamomeus
Painted Stork Mycteria leucocephala
Woolly-necked Stork Ciconia episcopus
Lesser Adjutant Leploptilos javanicus
Blue-rumped Pitta Pitta soror
Rusty-naped Pitta P. oatesi
Bar-bellied Pitta P. elliolit
9
9
9
8
1
8, 9
7
I, 2, 6, 8, 9, 10
9, 10
9
11
II, 12
1,7, 11
10, 11
10
9, 10
1, 7, 10, 11
3
1
1
I, 3, 10
II, 12, 13
1, 7
1, 6, 7
1, 10, 11
1,8,9
1, 6, 7
1, 3, 10
2, 3, 4
3, 11, 12
6, 7, 10
1,3
1, (?6)
1
10, 11
10, 11
1, 13
1
1
1, 8, 9, 10, 11
1,7, 10, 11, 12
1
1, 9, 10, 11
1, 9, 10, 11
8, 9, 10
1, 2, 6, 7, 10, 11, 12
8, 9
1, 6, 7
1,6
1,6
1
1
1
1, 6, 7
4
1, 6, 7
48
C. R. ROBSON et al.
Forktail 8
Dusky Broadbill Corydon sumatramis
Black-and-red Broadbill Cymbirhynchus macrorhynchos
Banded Broadbill Eurylaimus javanicus
Silver-breasted Broadbill Serilophus lunalus
Long-tailed Broadbill Psarisomus dalhousiae
Grey-headed Canary-Flycatcher Culicicapa ceylonensis
Asian Fairy-bluebird Irena puella
Blue-winged Leafbird Chloropsis cochinchinetisis
Golden-fronted Leafbird C. aurifrons
Orange-bellied Leafbird C. hardivickii
Brown Shrike Lanius cristatus
Burmese Shrike L. collurioides
Long-tailed Shrike L. schach
Eurasian Jay Garrulus glandarius
White-winged Magpie Urocissa whiteheadi
Green Magpie Cissa chinensis
Yellow-breasted Magpie C. (ihalassina) hypoleuca
Racket-tailed Treepie Crypsirina lemia
Ratchet-tailed Treepie Temnurus temnurus
Large-billed Crow Corvus macrorhynchos
Ashy Wood-swallow Ananius fuscus
Black-naped Oriole Oriolus chinensis
Slender-billed Oriole O. lenuirostris
Black-hooded Oriole O. xanthomus
Maroon Oriole O. iraillii
Large Cuckoo-shrike Coracina macei
Indochinese Cuckoo-shrike C. polioptera
Black-winged Cuckoo-shrike C. melaschistos
Cuckoo-shrike Coracina sp.
Rosy Minivet Pericrocotus roseus
Brown-rumped Minivet P. canionetisis
Ashy Minivet P. divaricaius
Grey-chinned Minivet P. Solaris
Long-tailed Minivet P. ethologus
Scarlet Minivet P. flammeus
Bar-winged Flycatcher-shrike Hemipus picatus
White-throated Fantail Rhipidura albicollis
Black Drongo Dicrurus macrocercus
Ashy Drongo D. leucophaeus
Bronzed Drongo D. aeneus
Lesser Racket-tailed Drongo D. remifer
Hair-crested Drongo D. hottentottus
Greater Racket-tailed Drongo D. paradiseus
Black-naped Monarch Hypothymis azurea
Asian Paradise-Flycatcher Terpsiphone paradisi
Common Iora Aegithina tiphia
Great Iora A. lafresnayei
Large Woodshrike Tephrodomis gulans
White-throated Rock-Thrush Monticola gularis
Blue Rock-Thrush M. solilarius
Blue Whistling-Thrush Myiophonus caeruleus
Orange-headed Thrush Zoothera citrina
Siberian Thrush Z. sibirica
Scaly Thrush Z. dauma
Japanese Thrush Turdus cardis
Eurasian Blackbird T. rnerula
1
1
1
7
(?6), 7
3, 4, 5, 6, 7
1,7
1, 6, 7
1
3.6
1, 2, 6, 9, 10, 11, 12, 13
2, 3, 9, 10
6, 7, 10
2, 3
6, 7
4
6.7
1, 6,7
6.7
1, 6, 7, 11, 12
1
1, 8
2, 3, 4, 5
1
3.7
1, 2, 3, 5, 6, 7
1,3
2, 6
7
1
1
1.7
3.6
2, 3, 4, 5
1, 6, 7
3, 5, 6, 7
3.5.6
1, 6, 8, 9, 10, 11, 12
1,2, 3, 5,6
1.6.7
1,6
1, C?7)
1,6,7
1, 6, 7(BM)
1, 6, 7
1
1, 7
1,6
6
2, 3, 5, 6, 7, 10
1,5, 6, 7
1,6,7
3.6
6
6.7
7, 11
1993
Further records of birds from Viet Nam
49
Eyebrowed Thrush T. obscurus
Lesser Shortwing Brachypteryx leucophrys
Dark-sided Flycatcher Muscicapa sibirica
Asian Brown Flycatcher M. dauurica
Mugimaki Flycatcher Ficedula mugimakt
Rufous-gorgeted Flycatcher F. sirophiaia
Red-breasted Flycatcher F. parva
White-gorgeted Flycatcher F. monileger
Rufous-browed Flycatcher F. solitaris
Snowy-browed Flycatcher F. hyperythra
Little Pied Flycatcher F. wesicrmatmi
Verditer Flycatcher Eumyias thalassina
Large Niltava Nihava grandis
Fujian Niltava N. davidi
White-tailed Blue-Flycatcher Cyomis concretus
Hainan Blue-Flycatcher C. hainana
Tickell’s Blue-Flycatcher C. tickelliae
Siberian Rubythroat Luscinia calliope
Bluethroat L. svecica
Siberian Blue Robin L. cyane
Orange-flanked Bush-Robin Tarsiger cyanurus
Oriental Magpie-Robin Copsychus saularts
White-rumped Shama C. malabaricus
Daurian Redstart Phoenicurus auroreus
White-tailed Robin Cinclidium leucurum
Slaty-backed Forktail Enicurus schisiaceus
White-crowned Forktail E. leschenaulti
Siberian Stonechat Saxicola maura
Grey Bushchat 5. ferrea
Chestnut-tailed Starling Sturnus malabaricus
White-shouldered Starling S', sinensis
Black-collared Starling -S', nigricollis
Vinous-breasted Starling S. burmannicus
Common Myna Acridotheres tristis
Crested Myna A. cristaiellus
Golden-crested Myna Arnpeliceps coronatus
Hill Myna Gracula religiosa
Chestnut-vented Nuthatch Silia nagaensis
Velvet-fronted Nuthatch S'. frontalis
Yellow-billed Nuthatch 5. solangiae
Brown-throated Tree-creeper Certhia discolor
Great Tit Parus major
Green-backed Tit P. monticolus
Yellow-cheeked Tit P. spilonolus
Yellow-browed Tit Sylviparus modestus
Sultan Tit Melanochlora sullanea
Black-throated Tit Aegithalos concinnus
Sand Martin Ripana riparia
Barn Swallow Hirundo ruslica
Striated Swallow H. striolata
Asian House-Martin Delichon dasypus
Black-headed Bulbul Pycnonotus atriceps
Black-crested Bulbul P. melanicterus
Red-whiskered Bulbul P. jocosus
Light-vented Bulbul P. sinensis
Sooty-headed Bulbul P. aurigaster
3, 6, (?7)
3.5
6
1,6,8
3.6
3
1, 2, 6, 7, 8
6
5
3
3.5
1, 2, 3, 4, 5, 6
3, 5
13
7
6.7
1, 6
1, 3, 6
1, 6
1, 6, 7
6
1, 6, 7, 10
1, 6, 7
11
3
3, 5, 6, 7
7
1, 2, 6, 7, 10, 11, 13
2, 3, 4, 5, 13
1,7,9
9, 10
1, 2, 3, 6, 7, 9
1, 9, 10
9, 10, 11
6, 7, 11, 12
1
1, 6, 7
2, 3, 4, 5 (Bnb)
1, 5, 6, 7
3,4
3 (BM)
13
2, 3, 4, 5
3 (BF), 4
3.4.5
6,7
3, 5, 6
1
1, 2, 3, 7, 8, 9, 10, 11, 12, 13
1.2, 3, 4, 6, 8,9
3,6
1
1.3, 5,6
1, 2, 3, 6, 7
6
3, 6, 7
50
C. R. ROBSON ei al.
Forktail 8
Stripe-throated Bulbul P. finlaysom
Flavescent Bulbul P. flavescens
Streak-eared Bulbul P. blanfordi
Puff-throated Bulbul Alophoixus pallidus
Ochraceous Bulbul A. ochraceus
Grey-eyed Bulbul Iole propinqua
Ashy Bulbul Hemixos flavala
Mountain Bulbul Hypsipetes mcclellatidii
Black Bulbul H. leucocephalus
Zitting Cisticola Cisticola juncidis
Hill Prinia Pritna atrogidans
Rufescent Prinia P. rufescens
Yellow-bellied Prinia P. flavivenins
Plain Prinia P. inoniaia
Oriental White-eye Zosterops palpebrosus
Japanese White-eye Z. japonicus
Grey-bellied Tesia Tesia cyanivenier
Asian Stubtail Urosphena squameiceps
Manchurian Bush-Warbler Cettia canturiatis
Russet Bush-Warbler Bradypterus seebohnu
Lanceolated Warbler Locustella lanceolaia
Pallas’s Warbler L. cenhiola
Black-browed Reed-Warbler Acrocephalus bistrigiceps
Blunt-winged Warbler A. concinens
Oriental Reed-Warbler A. orienialis
Thick-billed Warbler A. aedon
Mountain Tailorbird Orihowmus cuculaius
Common Tailorbird O. sutorius
Dark-necked Tailorbird O. airogularis
Dusky Warbler Phylloscopus fuscatus
Radde’s Warbler P. schwarzi
Ashy-throated Warbler P. tnaculipennis
Lemon-rumped Warbler P. proregulus
Inornate Warbler P. inomalns
Two-barred Warbler P. plumbeitarsus
Pale-legged Leaf-Warbler P. tenellipes
Blyth’s Leaf-Warbler P. reguloides
White-tailed Leaf-Warbler P. davisom
Golden-spectacled Warbler Seicercus burkii
White-spectacled Warbler S. affinis
Grey-cheeked Warbler S. poliogenys
Chestnut-crowned Warbler S. casianiceps
Yellow-bellied Warbler Abroscopus superciliaris
Striated Grassbird Megalurus palustris
Masked Laughingthrush Garrulax perspicillatus
White-crested Laughingthrush G. leucolophus
Lesser Necklaced Laughingthrush G. monilcger
Black-throated Laughingthrush G. chinensis
White-cheeked Laughingthrush G. vassali
Hwamei G. canorus
Collared Laughingthrush G. yersini
Abbott’s Babbler Malacocincla abbotti
Buff-breasted Babbler Pellomeum lickelli
Spot-throated Babbler P. albivemre
Puff-throated Babbler P. ruficeps
Scaly-crowned Babbler Malacopieron cinereum
1, 6, 7
3
1,9, 10
6,7
1
1, 6, 7
3, 4,5
3.4
3.5
1, 9, 10, 13
2, 3, 5
1
1.6
1, 13
9
6, 7, 13
3,4
6,7
6.7
3.4
1.6.7
1
1
(?D
1
1, 2, 6
3.5
6, 7, 8, 9, 13
1, 5, 6, 7
1, 6, 7, 13
1,3, 5, 6,7
3
13
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13
1
1
3, 4, 5
3 (BM), 4, 5, 6, 7
7
3 (BM), 4
6
3, 4, 5
7
6
6.7
1.6.7
6, 7
6.7
3
7
3,4
1.6
1, 6, 7 (BM)
2, 3, 4, 5
7
1, 6, 7 (Bnb)
1993
Further records of birds from Viet Nam
51
52
C. R. ROBSON etal.
Forktail 8
ERRATA
Corrections to our previous paper (Robson et al. 1989):
P. 72 Figure: Than Hoa should re&d Thanh Hoa
P. 73 paragraph 3, line 10: Lank Ka Kou should read Lang Ka Kou.
P. 75 third line from end : Donhoi should read Donghoi.
P. 76 line 19: Song Tung should read Son Tung.
P. 80 line 12: Vinh, Tonkin should read Vinh, North Annam.
line 22: Delacour (1931) should read Delacour and Jabouille (1931).
Appendix (mainly corrections to locality codes):
Japanese Sparrowhawk Accipiter gularis
Little Tern Sterna albijrons
Fork-tailed Swift A pus pacificus
House Swift A. affitiis (= nipalensis )
Golden-throated Barbet Megalaima franklinii
Blue-rumped Pitta Pitta soror
Sand Martin Riparia riparia
Black-winged Cuckoo-shrike Coracina melaschistos
Black-throated Tit Aegilhalos concinnus
Great Tit Pams major
Lesser Necklaced Laughingthrush Garmlax monileger
Grey Laughingthrush G. maesi
Mountain Fulvetta Alcippe peracensis
White-crowned Forktail Enicums leschenaulti
Brown/Russet Bush-Warbler Bradyptems luteoventris/seebohmi
Richard’s Pipit Anthus novaeseelandiae
Ashy Wood-swallow Artamus fuscus
Brown Shrike Lanins cristalus
6
10
1,3, 4, 5, 6,8
L 3 (B), 7, 9
1,2, 3(B), 6
3, 4 (BF), 5 (BF)
2,7
1, 2 (BF), 3 (B), 4, 6
1, 2 (BF)
5, 8 (BF), 9
1, 2 (BF), 4 (BLMNb)
3 (BF), 6
1,2,3
1,2, 3, 4 (BF), 5 (BF)
= Russet Bush-Warbler B. seebohmi
= Paddyfield Pipit /l. rufulus
1,2, 3,9
2, 5, 6, 8, 9
1993
FORKTAIL 8 (1993): 53 - 64
53
Some bird observations from the lower
Apsuwa River, east Nepal
Y. ROBERT TYMSTRA
A two week expedition to the lower Apsuwa River valley, a tributary of the Arun River in eastern Nepal,
resulted in records of 172 species of birds. Some of the more notable species found include Wood Snipe
Gallinago nemoricola, Rufous-throated Wren-Babbler Spelaeomis caudatus, Black-headed Shrike-Babbler
Pteruthius rufiventer, Rusty-fronted Barwing Actinodura egertoni, and White-naped Yuhina Yuhina bakeri.
An expedition to the lower Apsuwa River in eastern Nepal was undertaken
from 26 March to 1 1 April, 1990. The area surveyed lies west of the
confluence of the Apsuwa and Arun rivers at approximately 27°32’N
87°15’E, 30 km N of Tumlingtar (Fig. 1) and about 60 km SSE of Mt.
Everest. The southern boundary of the Makalu-Barun Conservation Area
was skirted briefly near Saisima.
The birding contingent of the expedition party consisted of Nepalese
ornithologist H. S. (Kazi) Nepali, American birders Dr Murray Gell-Mann
and David Michael, and Canadian birders Scott Connop and Robert
Tymstra.
The purpose of the expedition was to document the birds found in this little
known area of eastern Nepal and to record some of their songs. The late
March to early April period was chosen with hopes that most birds would be
singing at this time. Although some migrants had not yet arrived and poor
weather conditions discouraged other songsters, the majority of breeding
birds were singing to some degree and many recordings were made.
Most of the birds observed were seasonal or permanent residents but some
passage migrants were seen as well. This report details the species of birds
observed and their relative abundance.
Copies of the best birdsong recordings were submitted to the Woodlands
Mountain Institute in Nepal for use on a special ‘All Nepal Radio’ program
devoted to conservation education. Recordings have also been sent to
Cornell University’s Laboratory of Natural Sound in Ithaca, New York.
THE ROUTE
Our group was flown by helicopter to Nagitar, a small Tamang village near
the Sankhuwa Khola (a tributary of the Arun just south of the Apsuwa).
Some bird surveying was done below the village of Nagitar down to an
elevation of 1 ,800 m. We left Nagitar (elevation 1 ,900 m) on the second day
54
Y. R. TYMSTRA
Forktail 8
and made our way up the Chitray Ridge to the Chitray Pass (3,100 m). From
the pass we crossed into the Apsuwa drainage system, descending to Dhap
Kharka (2,750 m), then past Gaunthala to Zigkizur (2,350 m). The trail
continued upwards to T ershe Kharka (2,750 m), Maghan Kharka (2,550 m),
and Saisima (2,350 m), and looped back to Zigkizur. We made a brief foray
on a trail along the Apsuwa river north-west out of Saisima. Four days later,
we retraced our route back to Nagitar (Fig 1).
The camp dates and approximate elevations were as follows:
HABITATS
Our trek covered a range of altitudes from 1 ,800 m (below Nagitar) to 3, 1 00m
at Chitray pass. Most of the habitat traversed was steeply sloping mountain
forest between 2,200 and 2,800 m in the lower and upper temperate zone.
In the vicinity of Nagitar, most of the original forest had gone and the land
was terraced for agricultural use. Small plots of forest with little or no
understorey stood near the village. Farther above Nagitar and east to the
Chitray Pass, there were larger tracts of mature mixed deciduous and
evergreen forest but, here too, the understorey was severely depleted and we
observed several cattle grazing along the trail. A healthy understorey is of
critical importance to several species of birds that inhabit this area.
East of the pass toward the Apsuwa river, the forest became more lush and
the ground vegetation was thicker. This improvement in habitat was
reflected by the greater diversity of bird species found. The temperate mixed
broadleaved deciduous forest here was interspersed with small bamboo
1993
Some bird observations from the lower Apsuwa River, east Nepal
55
Figure 1. Expedition route.
groves and occasional Daphne (paper tree) and magnolia trees. Mosses and
epiphytic orchids were common in the damp forests.
Between Tershe Kharka and Maghan Kharka were large tracts of
rhododendrons interspersed with bamboo. North of Saisima and further
upstream along the Apsuwa, there were large sections of continuous tall
‘cloud forest’ with thick canopies, but here, too, there were signs of grazing.
Whenever the slope allowed, seasonal meadows had been cleared for
grazing of yak and cattle. We used several of these clearings for our camps.
56
Y. R. TYMSTRA
Forktail 8
WEATHER
Precipitation occurred in some form on every day: drizzle, rain, sleet, hail,
and snow. On some days, observations were precluded almost entirely due
to heavy and constant precipitation. Most mornings were sunny with good
visibility for at least an hour or two but rarely did it stay clear into the
afternoon. Consequently, the usual strategy was to maximise our activities
to coincide with that of the birds: we made early morning forays from camp
until the weather deteriorated.
Birds were most active early on clear mornings, with activity decreasing as
the day progressed, and almost ceasing when clouds and precipitation set in.
The evening resurgence of feeding activity found in other parts was almost
non-existent, probably due to the inclement weather. Daytime temperatures
were generally mild but nights were often very cold. According to local
residents, it was unseasonably wet.
GENERAL OBSERVATIONS
The forests were extensive and appeared healthy and luxuriant but upon
closer examination, various degrees of damage to the understorey by grazing
animals were evident. In many areas surveyed, ground vegetation seemed
sparse or underdeveloped. On all but the steepest slopes, there was evidence
of cattle and goat grazing. Local residents gather a lot of firewood as well.
Species diversity was proportional to the size and condition of the forest.
Some forest plots near Nagitar were only a few acres in size and were often
birdless or species-poor at best. More extensive forests with some understorey
growth supported many more species of birds, with correspondingly greater
bird activity.
Similarly, extensive groves of bamboo had richer birdlife than small or
thinned-out patches. Large, mature bamboo plants were mostly culled by
villagers, leaving mainly younger plants.
Bird species diversity was greatest in the woodlands north of Saisima
(further upstream along the Apsuwa River), the forest above Dhap Kharka,
and the bamboo/rhododendron forest above Tershe Kharka. The babbler
family Timaliidae was especially well represented in the study area, with 37
species being observed (see Appendix).
Other vertebrates were scarce. Mammal sightings were restricted to an
occasional Serow Capricomis sumatraensis and tracks were few. Hunters were
efficient here; we were told of nomadic Rai hunters who trapped and killed
a wide variety of birds and mammals. Larger birds, such as pheasants, were
particularly rare and shy, presumably due to hunting pressures.
1993
Some bird observations from the lower Apsuwa River, east Nepal
57
ANNOTATED LIST
The following list contains details for 33 species, including a number of birds
listed as threatened to some degree in Nepal (Inskipp 1 989) . A complete list
of the 172 species observed appears in the Appendix and includes the
locations and ranges of elevations in which the species were observed.
BLOOD PHEASANT Ithaginis emeritus One heard calling from slopes above
Maghan Kharka at 2,550 m on 4 April.
SATYR TRAGOPAN Tragopan satyra Two heard calling above Tershe
Kharka on 3 April; single birds calling from Maghan Kharka on 4 April and
at Dhap Kharka on 10 April.
HIMALAYAN MONAL Lophophoms impejanus Three calling from slopes
above Dhap Kharka 30 March; one at Tershe Kharka at 2,550 m on 3 April.
CRIMSON-BREASTED WOODPECKER Dendrocopos cathpharius One
seen in bamboo/rhododendon forest by a stream between T ershe Kharka and
Saisima at 2,750 m on 3 April.
MOUNTAIN SCOPS-OWL Otus spilocephalus Single birds heard calling at
Guanthala, Tershe Kharka and Saisima.
BROWN WOOD-OWL Strix leptogrammica A bird calling above Nagitar at
2,250m on 27 March was believed to have been this species.
SPECKLED WOOD-PIGEON Columba hodgsonii One at Khembalung at
2,300 m on 8 April.
WOOD SNIPE Gallinago nemoricola Two were flushed from a wet meadow
used by grazing yak at Maghan Kharkaat (2,550m) on 3 April.
SHORT-BILLED MINIVET Pericrocotus brevirostris A pair at Zigkizur on
6-7 April.
SAPPHIRE FLYCATCHER Ficedula sapphira A male about 1 km south of
Nagitar at 1,900m on 26 March.
PYGMY BLUE-FLYCATCHER Muscicapella hodgsoni One above Nagitar
at 2,250m on 27 March; three near Zigkizur on 8 April and one at Maghan
Kharka on 4 April.
RUFOUS-BREASTED BUSH-ROBIN Tarsiger hyperythms A male at
Maghan Kharka at 2,550m on 4 April.
WHITE-TAILED ROBIN Cinclidium leucumm One on 9 April at 2,300m on
a slope below Zigkizur.
GRANDALA Grandala coelicolorA flock of about 90 Grandalas flew over the
Zigkizur camp at 1 lhOO on 6 April at 2,400m, a lower altitude than normal
for this species (Inskipp and Inskipp 1985).
HILL PRINIA Prinia atrogularis One near Saisima at 2,400m on 4 April, and
a pair below Zigkizur at 2,200m on 9 April.
58
Y. R. TYMSTRA
Forktail 8
BROWNISH-FLANKED BUSH-WARBLER Cettiafortipes Fairly common
in open scrubby thickets from Saisima to Zigkizur.
SMOKY WARBLER Phylloscopus fuligiventer Two birds seen in open scrub
on 8 April at Zigkizur.
GREY-CHEEKED WARBLER Seicercus poliogenys One in bamboo at
Tershe Kharka at 2,600m on 3 April.
SCALY LAUGHINGTHRUSH Garrulax subunicolor One on 31 March at
Dhap Kharka and one at Gaunthala on 1 April. At least three near Zigkizur
on 8-9 April. Flocks of up to 6 at Saisima on 2 April.
SLENDER-BILLED SCIMITAR-BABBLER Xiphyrhynchus supercilious
Two seen near Dhap Kharka on 31 March; a flock of at least six above
Zigkizur on 6-7 April; one heard calling on Chitray Ridge on 10 April.
SCALY-BREASTED WREN-BABBLER Pnoepyga albiventerF airly common
with single birds at Gaunthala on 30 March, up to three at Dhap Kharka on
31 March and 9 April, and at least two on the Chitray Ridge on 10 April.
PYGMY WREN-BABBLER Pnoepyga pusilla Two at Gaunthala on 31
March- 1 April, two near Zigkizur on 2 and 7 April, and one at Saisima.
RUFOUS-THROATED WREN-BABBLER Spelaeomis caudatus One seen
on 1 April above Gaunthala at 2,400 m.
BLACK-HEADED SHRIKE-BABBLER Ptemthius rufiventer Four near
Zigkizur 6-7 April.
RUSTY-FRONTED BARWING Actinodura egertoniP\NO seen 5 km north
of Saisima in mature deciduous woodland at 2,400 m on 2 April.
GOLDEN-BREASTED FULVETTA Alcippe chrysotis At least four in thick
bamboo, in association with Slender-billed Scimitar-Babblers, above Zigkizur
at 2,550 m on 6 April; four on 4 April 4 km north of Saisima.
WHITE-NAPED YUHINA Yuhina bakeri A pair seen at 07h00 on a wooded
ridge 5 km north-east of Nagitar at 2,200 m on 28 March.
FIRE-TAILED MYZORNIS Myzomis pyrrhoura A pair on the Chitray
Ridge at 2,800 m on 29 March.
BROWN PARROTBILL Paradoxomis unicolor Ten at Dhap Kharka on 31
March in a mixed flock with 30 Fulvous Parrotbills and several Slender-billed
Scimitar-Babblers; two at Gaunthala on 1 April; 15 near Tershe Kharka in
bamboo on 3 April; six on 6 April above Zigkizur.
FULVOUS PARROTBILL Paradoxomis fulvifrons Thirty in bamboo above
Dhap Kharka at 2,800 m on 31 March in a mixed flock (see Brown
Parrotbill).
BLACK-THROATED PARROTBILL Paradoxomis nipalensis Seven at
Gaunthala on 1 April, and a flock of 30 in mixed rhododendron/bamboo near
Tershe Kharka on 3 April.
GOULD’S SUNBIKD Aethopyga gouldiae One above Nagitar at 2,250 m on
27 March; two below Saisima at 2,200 m on 5 April, and two near the Apsuwa
1993
Some bird observations from the lower Apsuwa River, east Nepal
59
River, halfway between Zigkizur and Gaunthala at 2,300 m on 9 April.
SPOT- WINGED ROSEFINCH Carpodacus rodopeplus Single birds at Dhap
Kharka on 29 and 31 March, and at Tershe Kharka on 2 April.
RECOMMENDATIONS
The Lower Apsuwa region surveyed is adjacent to the Makalu-Barun
Conservation Area (Jackson et al. 1990), and as such, could serve as a
valuable buffer zone. The damage to the forests is not irreparable and many
valuable tracts of forests still stand.
Some research projects that could be carried out in the future include a
study of bird populations with respect to habitat associations. The habitats
are complex because of many variables: moisture, slope, vegetation structure
and composition, altitude, and soil condition and type. Comparisons would
be useful between the bird populations found in the forest with understorey
damage and similar habitat plots in relatively undisturbed areas. How much
damage can an area sustain before diversity suffers? How long does it take
for a damaged area to recover if left undisturbed? What minimum size of
forest does it take to maintain viable population levels?
The Lower Apsuwa area should be surveyed throughout the year. We felt
that we had come too early to experience the peak of spring bird activity and
a visit in late April and May would yield interesting observations. During our
stay many birds were still migrating either altitudinally or latitudinally and it
is likely that some had still not arrived in the area.
I, and the other expedition members, would like to thank the following Woodlands Mountain Institute
in West Virginia, USA and Nepal for organising the expedition and providing background information:
Elizabeth Byers, Gabriel Campbell, Bob Davies, Susan Hovland, Rodney Jackson, Tashi Sangpo Lama,
H. S. Nepali, and Daniel Taylor-Ide. We are also indebted to the expedition cooks and porters, the
friendly and helpful Tamang and Sherpa villagers of the Apsuwa region, and Dow Chemical Company,
Limited, for its generous support of the Woodlands Mountain Institute and this expedition.
Susan Hagen and Pamela Sinclair graciously provided comments on earlier drafts of the manuscript.
REFERENCES
Inskipp, C. and Inskipp, T. P. (1985) A guide to the birds of Nepal. London: Croom Helm.
Inskipp, C. (1989) Nepal’s forest birds: their status and conservation. Cambridge, U.K.: International
Council for Bird Preservation (Monograph no. 4).
Jackson, R., Nepali, H. S., and Sherpa, A. R. (1990) Aspects of wildlife protection and utilization in the
Makalu-Barun Conservation area. Kathmandu: Makalu-Barun Conservation Project Working Paper
Publication Series, Report 1 1 .
Y. Robert Tymstra, P.O. Box 2809, Sarnia, Ontario, N7T 7Wt, Canada.
60
Y. R. TYMSTRA
Forktail 8
APPENDIX
BIRDS OBSERVED IN THE LOWER APSUWA KHOLA, 26
MARCH - 11 APRIL 1990
Elevation (in metres): single figure represents a single sighting, a range indicates lower and upper limits
of sightings.
Location (Sankhuwa drainage):
A; Nagitar, Chitray Ridge to Chitray Gouth (Apsuwa drainage)
B: Dhap Kharka, Gaunthala
C: Khembalung, Zigkizur, Tershe Kharka
D: Maghan Kharka, Saisima, upstream Apsuwa
Abundance: (based on our observations, not actual abundance)
c- common: seen in large numbers and/or a large number of occasions
u- uncommon: seen in small numbers and/or on a small number of occasions
r- rare: seen on one occasion only.
1993
Some bird observations from the lower Apsuwa River, east Nepal
61
Location Altitude Abundance
62
Y. R. TYMSTRA
Forktail 8
1993
Some bird observations from the lower Apsuwa River, east Nepal
63
64
Y. R. TYMSTRA
Forktail 8
1993
FORKTAIL 8 (1993): 65 - 82
65
The biology of the White-winged Duck
Cairina scutulata
ANDY J. GREEN
Information on the field biology of the little-studied and endangered White-winged Duck Cairina
scutulata of South-East Asia is presented and reviewed. This is a shy, retiring speoies occurring at low
densities at small wetlands amidst forest and usually seen around dawn or dusk as single individuals or
in pairs. Breeding is concentrated in the wet season when food supply is likely to peak. The birds nest
in tree holes and have a monogamous mating system, with the male attending the female throughout
incubation. There is evidence of extended biparental care of young and long term pair-bonding. The
birds have distinct and sexually dimorphic flight and non-flight calls. They have an omnivorous diet. The
Indonesian population has long been recognised as morphologically distinct and is probably a separate
race. Further research into the ecology of the birds is urgently required.
INTRODUCTION
The White-winged Duck Cairina scutulata is an unusual species of waterfowl
which is dependent on small wetlands amidst level areas of tropical moist
forest in South-East Asia. It is one of the largest duck species, with males
slightly larger than females (Madge and Burn 1988). The birds feed in
shallow, stagnant or slow-flowing streams, ponds, swamps or ricefields and
roost and nest in nearby forest trees. Increasing concern for the status of this
species recently led to a major review of all historic and current data on the
species and preparation of a conservation plan (Green 1991, 1992). The
species was formerly widely recorded from north-east India, Bangladesh,
Myanmar (Burma), Thailand, Laos, Viet Nam, Cambodia, Peninsular
Malaysia and Indonesia (Java and Sumatra). It was found to be “common”
by eminent British ornithologists in areas of India, Myanmar and Thailand
in the early part of this century. Since then, the species has undergone a major
decline to perhaps less than 5% of its original population size. This decline
has accelerated in recent decades due to more extensive loss of lowland
tropical forests and increased hunting pressure. Approximately 40 small,
surviving populations have been identified, mainly in highly fragmented
areas of forest (Green 1992).
This paper contains the first comprehensive review of the biology of
the White-winged Duck Cairina scutulata in the field, based on the findings
of Green (1992). This results from a review of over 100 references and
extensive communication with people who have observed the species. The
most detailed field studies of C. scutulata to date, those of Husain and Haque
(1981) and Chambers (1990) have not previously been published in readily
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A. J. GREEN
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accessible media, and this paper reviews their major findings. Husain and
Haque (1981) worked in the Chittagong Hill Tracts, Bangladesh, from 1976
to 1 978 . Their observations were concentrated in the wet season, when birds
were easier to observe. Chambers (1990) records the results of a Southampton
University expedition to Way Kambas National Park, Sumatra from August
1988 to July 1989, when birds were observed on 104 of the 300 days spent
in the field. Extensive information on the biology of the species in captivity
published by Mackenzie and Kear (1976) and Green et al. (1992) is not
repeated here. A companion paper (Green in prep.) contains a comprehensive
review of the status, habitat use and conservation needs of C. scutulata.
DIEL ACTIVITY PATTERNS
C. scutulata has peaks of locomotory and feeding activity at dawn and dusk,
and birds are most often seen in flight at these times. Many authors describe
birds as being seen regularly at dawn or dusk. Hutchinson (1946) refers to
a drake seen flying down the Dhansiri river, north-east India, every night at
dusk (around 18h30) in July 1945. Evans (1901) describes how a pair of C.
scutulata visited a jheel near Bhamo, Myanmar, every evening but was never
present during the day. In the Jade Mines of Myitkyina district, Myanmar,
Stanford and Ticehurst ( 1 939) saw C. scutulata ‘flighting regularly at dusk to
feed on wet stubble where streams ran out into the fields’. Smith (1942)
stated that C. scutulata was regularly observed flying along the Shweli river,
Myanmar, at dawn and dusk singly or in pairs.
Chambers (1990) obtained numerous data on activity in daylight hours
between 05h00 and 19h00 in Way Kambas National Park. These reveal a
strong dawn and dusk peak to activity with most sightings being made in early
morning and evening (Fig. 1 ) . These crepuscular peaks occurred throughout
the year, but there was considerable variation in the activity patterns
observed. Sometimes birds showed a nocturnal feeding pattern: at forest
ponds, birds were usually observed to arrive in the evening to feed, stay the
whole night and leave the following morning. However, on two occasions a
duck remained on a pond the whole day and fed in direct sunlight in the
middle of the day. Birds feeding at rice paddies flew in late in the afternoon
and returned to forest either at dusk or the following morning, presumably
after feeding through the night. Locals also reported hearing birds flying over
fields at night. In December and January, birds were regularly seen flying
into, flying out of or feeding in Rawa Gajah swamp at all times of day, whilst
having crepuscular peaks in sightings.
Many authors have suggested that birds are relatively inactive in the middle
of the day but remain close to feeding sites, while at night they roost farther
away in the forest. In India and Bangladesh, Mitra (1957) and Gee (1958)
observed that in the middle of the day the ducks remain in the shade of a tree
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The biology of the White-winged Duck
67
Fig. 1. Diurnal activity of Cairina scutulata in Way Kambas NP from Chambers (1990). Figures
represent the number of days on which at least one duck was observed in each time period. No
observations were made at night.
on the water or on a branch. Mackenzie and Kear (1976) found that they
sometimes roost ‘on driftwood or on low branches over the water’ at this time.
In southern Sumatra, Hoogerwerf (1950) reported that C. scutulata sleeps at
night on broad branches of high trees, and that it sometimes roosts in the
same place for months in succession. In Thung Yai Wildlife Sanctuary,
Thailand, birds are thought to roost in trees at night and forage during the
day in meandering streams in the forest. On several occasions, birds have
been seen flying into Lake Lakutu in the late afternoon, roosting overnight
in the crown of high trees and flying out before first light (P.D. Round in litt.
1990; N. Bhumpakphan pers. comm. 1992).
Husain and Haque (1981) found that breeding birds outside the breeding
season and non-breeding birds throughout the year flew singly or in pairs to
feeding grounds at a ditch or stream around dawn and spent the whole day
there. At dusk, they flew away to roost in trees in the forest, either at the edge
of the stream or creek where they fed, or deeper in the forest. While at the
feeding site, feeding was concentrated in the morning and evening. The
middle of the day was spent sitting on a log in water or on the bank, or floating
under the shade of a Jarul tree Lagerstroemia speciosa. During 55 hours of
observations of an unknown number of birds over 1 3 days, feeding was more
intense in the morning than in the evening. In the morning, 57% of the time
was spent feeding and 43% resting and preening. In the evening, only 35%
of the time was spent feeding. Preening bouts were conducted on the bank,
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A. J. GREEN
Forktail 8
a low tree overhanging the water or on a log.
Some authors report an even stronger crepuscular pattern in which birds
only visit wetlands at dawn and dusk times. Husain and Haque (1981) found
that breeding pairs in Bangladesh only left the nest site to feed around dawn
and dusk. Robinson and Kloss (1910-1911) found that in Trang province,
Thailand, C. scutulata came ‘down to the partially flooded rice fields to feed
in the early morning and late afternoon. In the evening, after feeding, it went
off to roost in the patches of jungle growing on small and steep hills rising
from the general level of the rice-fields.’
Other authors have reported the birds feeding throughout the night,
suggesting a nocturnal rhythm. Ali and Ripley (1968) state that the birds fly
at dusk to feed in more open waters and marshes during the night, returning
at dawn to secluded forest pools. Mukherjee (1961) found that wild birds
made nocturnal visits to standing crops around Assamese villages. Scott
(1989) reports that in Lam Dom Yai, Thailand, ‘a few individuals are
believed to flight out of the forests at night to feed in rice paddies’. Delacour
and Jabouille (1931) describe C. scutulata in Laos and Vietnam as spending
the day roosting on large trees in the forest, and flying to marshy clearings in
the forest at night to feed.
The diel rhythm of C. scutulata is rather variable but whether birds feed
through the day, through the night or just at crepuscular times, their
movements between feeding, roosting or nesting sites are concentrated at
dawn and dusk. Such peaks in activity just after dawn and just before dusk
are rather typical of tropical forest birds, and have been recorded e.g. in the
Salmon-crested Cockatoo Cacatua moluccensis (J. Bowler pers. comm.).
Various observations suggest that C. scutulata adjusts its diel rhythm
opportunistically according to the timing of food availability or of habitat
disturbance. Thus a nocturnal feeding pattern may be a response to hunting
pressure and general human disturbance, particularly in rice fields. Activity
is also likely to vary according to food availability and the breeding cycle:
birds are likely to spend longer at feeding sites if foraging intake rates are low
or if they are putting on energy reserves prior to nesting. Diel rhythms are also
adjusted in response to breeding activity and, during incubation, pairs only
feed at dawn and dusk. Tim Ekspedisi (1991) found that the ducks in Way
Kambas National Park only feed at night when sufficient moonlight is
available, and rest on moonless nights. On 22 August 1990 a duck was seen
roosting by a pond at night but became active when a torch was switched on
and began feeding in the torch beam.
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The biology of the White-winged Duck
69
SEASONAL ACTIVITY PATTERNS
Most records of C. scutulata from Continental Asia come from north-east
India, Myanmar and Thailand where the climate is monsoonal with a rainy
season from around May to October and a pronounced dry season from
around November to April. In the literature, sightings of C. scutulata in each
of these countries are most frequent in the dry season (Fig. 2). A likely
explanation is that ornithologists are less active in the wet season because the
rains make travel unpleasant and difficult. However, this pattern might also
indicate a change in the behaviour of the birds during the wet season that
makes them less apparent to man, e.g. a movement from forest edges to deep
in the forest associated with breeding. Evidence against this hypothesis
comes from Husain and Haque (1981) who found that birds in Bangladesh
were easier to observe in the wet season because they were using more open
wetlands. During the dry season from December to March, most streams
dried up, and the ducks concentrated in the few ditches deep inside the forest
that still contained water.
The climate encountered by C. scutulata in Indonesia is rather variable.
The north-west coast of Sumatra has more or less opposite rainfall peaks to
the south-east coast (D.A. Holmes in litt. 1991). C. scutulata occurs in both
these and other areas (Green 1992). In south-east Sumatra, Lambert (1988)
and Chambers (1990) found that birds were easier to observe in the wet
season of November to March when they were using more open, seasonal
swamps. During the early dry season, birds were seen most often on small
forest ponds, whilst towards the end of the dry season they were hardly seen
at all and local reports suggest they may move to permanent swamps less
accessible to man.
BREEDING BIOLOGY
Breeding season
In Bangladesh, Husain and Haque (1981) found the breeding season lasted
from March to the end of July, with a wet season from April to November.
They found three nests in use; two in April and one in June. In mid July, two
groups of fledged young were seen (Husain 1977). In captivity, eggs have an
incubation period of about 33 days, and chicks take about 1 4 weeks to fledge
(Mackenzie and Kear 1976). This suggests that laying begins in March at the
very end of the dry season, and continues until June, whilst hatching occurs
from April onwards to coincide with the early wet season.
Baker (1908, 1929) found a nest with an egg on 30 June in the hills of North
Cachar, India, which was assumed to be of C. scutulata. The size of ducklings
taken from the wild in Assam for captive breeding in 1 969- 1 975 suggests that
laying occurs up to the end of June or early July (Mackenzie 1975). In
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A. J. GREEN
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Fig. 2. The timing of dated sightings of Cairina scutulata in the literature for a) Thailand, b) Myanmar
and c) India. If several birds were seen together, this counts as one sighting. Dashed line indicates the
timing of the wet season.
a)
w
Q
CC
O
O
UJ
QC
o
MONTH
b)
MONTH
C)
in
□
cc
O
o
LU
GC
O
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The biology of the White-winged Duck
71
captivity in Assam, laying begins between 18 March and 4 June (Mackenzie
and Kear 1976). A pair of adults with young was seen in Phu Khieo Wildlife
Sanctuary, Thailand, on 20 July 1990 (Round 1990). A female with young
was seen in June 1959 at Pidaung sanctuary, Myanmar (Milton and Estes
1963). Again, these data suggest that breeding in India, Thailand and
Myanmar is timed so that hatching occurs in the early phase of the wet
season, which begins in May. Food availability for this duck species that
specialises in feeding in shallow water is likely to peak in the wet season when
floods increase the area of available habitat.
Information on breeding in Indonesia comes from southern Sumatra and
Java. Hoogerwerf (1949, 1950) suggested that C. scutulata breeds in the wet
season, laying from December to February. He referred to two clutches
collected in central Java in February, and others found in southern Sumatra
in December, January and February. Hoogerwerf received local reports from
Lampung that eggs are laid at the height of the wet season when rivers are
most flooded. There are local, unconfirmed reports of adults with young in
southern Sumatra from Sungai Tulang Bawang in January 1977 (Holmes
1977) and Way Kambas National Park one October (Ounsted 1985),
October 1985 and September-November 1985 (Lambert 1988). There are
also confirmed reports from Way Kambas on 29 March 1988 (Robson
1988), 18 July 1990 and 20 July 1990 (TimEkspedisi 1991). No information
is available on the age or size of the ducklings seen. These data suggest a very
prolonged breeding season in southern Sumatra, with young seen from
October to July. Nesting must extend at least from September to March. As
the dry season in southern Sumatra extends from about May to October,
these data suggest that breeding is concentrated in the wet season, but can
begin in the last months of the dry season. The timing of the breeding seasons
of tropical birds is typically variable (e.g. Medway and Wells 1976), and
perhaps the October sightings were made in years when the wet season
started particularly early. The timing of breeding by C. scutulata is likely to
differ in other areas of Sumatra which have a different climate.
Clutch and brood sizes
Husain and Haque (1981) found three, four and seven eggs in nests in
Bangladesh. Two clutches found in southern Sumatra in December had six
and nine eggs, although this may not be the total clutch size as incubation had
not yet begun. Locals in Lampung reported that clutches often contained
more than 10 eggs (Hoogerwerf 1949, 1950). In captivity, clutch sizes vary
from six to 13 with a mode of 10 (Mackenzie and Kear 1976). From eight
broods of ducklings observed by Husain and Haque (1981), the mean brood
size prior to fledging was 3.9 ducklings. Similarly, nine broods of ducklings
recorded in Indonesia, Thailand and Myanmar (seven in Indonesia) ranged
in size from two to seven with a mean of 4.0 and Standard Deviation of 1 .8.
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A. J. GREEN
Forktail 8
Nest sites
Husain and Haque (1981) observed three nesting pairs. In addition, ‘several
other trees used by the duck for nesting’ were located. The nests were in tree
holes ‘generally 2-2 . 5 feet deep and the entrance is 1 sq. feet to 3 sq. feet about
1 foot wide” (sic). The nests were lined with straw, leaves, grasses and roots
of Water Hyacinth Eichhomia crassipes. In all but one case, the nest tree was
a Civit tree Swintonia floribunda (fam. Anacardiacae) that was the tallest tree
in the middle of a forest area, with a hole situated well above the tree canopy
allowing easy access for the ducks. One Civit tree nest hole was 12 m high in
a 37 m Civit tree, above a canopy 6 m high. A second hole was 23 m high in
a hollow branch of a 38 m Civit tree in primary forest. A third nest was found
in a Barta tree Artocarpus lakoocha by the side of a stream in the middle of a
secondary reserve forest of Teak trees Tectona grandis of about 12 m high.
This nest hole was well below the canopy, 4 m above the ground, and the
ducks used the course of the stream for access. Khan (1983) also stated that
other softwood trees such as Chapalish Artocarpus chaplasha and Uriam
Mangifera longipes are used for nesting. The nest found in Assam by Baker
(1908, 1929) was on the bank of a stream in dense forest where he had seen
a pair of adults. The nest was in a deep hollow caused by decay, 6 m above
the ground in the fork of a thick tree where three boughs branched out from
the main trunk. The nest was a mass of grass and other rubbish with a lining
of feathers and down.
Hoogerwerf (1950) described a nest in southern Sumatra 3 m above the
ground at the top of a Rengas tree stump, surrounded by new, leafy shoots
from the stump. A second nest was found in a bowl-shaped cavity between
three large branches of a ‘Boengoer’ tree in flower. Both nests consisted of
dried leaves, grasses and a few down feathers. Locals from Lampung reported
that nests are generally 6-8 m above the ground in cavities between large forks
or in large tree holes. Holmes (1977) was shown four reputed nest holes in
Rengas trees. One was 4 m up in a deep hollow in a tree fork, in a dense grove
of forest. Another was a hole 8 m up in the straight trunk of a tree, in the open
in a deep swamp. A third was 5 m up in a large hole in the decaying trunk of
an old tree standing in tall grass in an open swamp.
Courtship behaviour
Chambers (1990) observed a possible courtship display on at least two
occasions in December. A pair of ducks swam in an irregular zig-zag manner
with one behind the other. Both birds threw their heads back to the shoulder
and then forwards in a high arc and down to skim the water. The leader,
thought to be the male, initiated the display. This possible courtship display
was observed in Rawa Gajah, a swamp used by C. scutulata only for an intense
period of activity from Noveihber to January, when groups of three to six
1993
The biology of the White-winged Duck
73
birds were regularly present. This timing and behaviour suggest this may
have been a congregation site for courtship and pair formation. Copulation
was observed twice by Husain and Haque (1981) on shallow water. On 18
April 1977 at 1 lh30, copulation occurred for 45 seconds, with little display
before or after. On 14 March 1978 a pair arrived at a ditch at 16h30 and began
feeding. At 17h20, the male stopped feeding and approached the female
while head bobbing ‘up and down a couple of times’. They copulated for 60
seconds, then the male gave a loud ‘kick’ call and both birds began preening.
They then returned to feeding and flew away at 18hl8.
Incubation Behaviour and Parental Care
Continuous observations of three breeding pairs for 1 5 days by Husain and
Haque (1981) revealed that the female did all the incubation, while the male
remained in a tree 1 80 - 270 m away. The pairs only left the nest site to feed
around dawn and dusk. In the morning they left between 04h30 and 05h30,
and returned between 07h30 and 08h30. In the afternoon they left between
15h30 and 16hl5 and returned around 18hl8. The male attended the female
closely, initiating the feeding trips by flying to the nest hole. He also escorted
the female to the hole on their return, either sitting by the hole or flying
around the nesting tree until the female settled down. These behaviours
suggest males show mate guarding to ensure paternity of the eggs or to allow
the female to increase her foraging rate and fecundity (Owen and Black
1990).
Husain and Haque (1981) found that as soon as the chicks left the nest they
moved onto water in ditches, creeks and streams. Parental behaviour after the
chicks leave the nest is unclear, as there are six records in the literature of one
adult being seen with a brood and four records of two adults with a brood.
This suggests that both adults show at least partial brood attendance.
GROUP SIZE AND MATING SYSTEM
All the observations of breeding activity by Husain and Haque (1981)
indicated a monogamous mating system, with three pairs being closely
studied. Robinson (1915), Gee (1958), Mukherjee (1961), Mackenzie and
Rear (1976) and other authors state that birds are usually seen singly or in
pairs, with occasional larger groups being seen. This is confirmed by
quantifying the sightings of adult C. scutulata from over a hundred literature
and correspondence sources from India, Myanmar, Thailand and Indonesia.
These indicate that single birds and pairs are th$ most common group size,
whilst groups of three or more are rarely seen (Fig. 3). This suggests a
monogamous mating system and, since most continental sightings occur in
the dry season of November to April, is consistent with a possible long term
74
A. J. GREEN
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Fig. 3. Known group sizes of Cairina scutulata sightings in the literature for India, Myanmar, Thailand
and Indonesia, excluding unreliable records, those of adults with ducklings and those in Sumatra by
Chambers (1990). Where authors give only the maximum group size seen, these data are excluded.
or even continuous pair bond through most of the dry season followed by
breeding around the beginning of the wet season.
Husain and Haque (1981) found that one to six birds roosted or fed
together in the same area outside the breeding season and up to five adults
were seen in the same tree (Husain 1977). Eleven is the largest group reliably
recorded in the literature (Parsons 1940). The character of larger groups is
unknown, but some are thought to be families that have not split up. In
Bangladesh M.A.R. Khan (in litt. 1991) saw both parents together with
fledglings. Mackenzie and Kear (1976) suggest that large groups seen in
India are usually family parties seen from about June to October after the
breeding season. However, groups of up to nine were also seen later in the
dry season feeding together in wetlands but arriving and leaving in pairs.
These may be unrelated groups involved in courtship activity or formed by
necessity because of the shortage of feeding habitat at that time of year. In
1 992 there was a widespread drought in Indonesia. As a result, birds in Way
Kambas National Park were highly concentrated on the few wetlands that
remained, and up to 16 adults were seen together on one small pond
(Rudyanto in litt. 1992).
Chambers (1990) found that about 95% of their sightings were of one or
two C. scutulata (Table 1). Over 60% of all sightings were of single ducks and
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The biology of the White-winged Duck
75
Table 1. Group sizes of Cairina scutulata recorded by Chambers (1990) in Way Kambas National Park.
67% of all ducks found feeding on ponds or swamps were single. Only in
Rawa Gajah swamp in December to February were groups of three or more
birds regularly seen together. Forest ponds used mainly for feeding during
the dry season were never found to contain more than two ducks. There is
evidence of a seasonal change in group size, as December is the one month
when the number of pairs exceeds the number of single birds (T able 1 ) . This
is possibly the time of pair formation, either for all breeders or for young birds
breeding for the first time. However, such field data may not reflect the true
distribution of group sizes as only a fraction of the population is sampled. For
example, breeding birds may spend most of their time at nest sites and be seen
less often than non-breeders.
FEEDING
C. scutulata is omnivorous, and diet is certain to vary with feeding site and
seasonal availability. The main feeding technique observed by Husain and
Haque (1981) was dabbling in very shallow water, taking mainly aquatic
snails Vibira but also pondweed Hydrilla, small fish, aquatic spiders and
insects. Occasionally the birds dived under water to catch fish. In Assam,
Oates (1899) found that dissected stomachs revealed ‘principally vegetable
matter with a few small pieces of pebble’. Stevens (1914) found shells
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A. J. GREEN
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(presumably molluscs) in the gullet of one bird. A drake shot by Hutchinson
( 1 946) in July 1 945 had its crop filled with ‘small black pyramidical seeds of
an aquatic plant which abounds in the jheels in Assam’. Robinson (1909)
examined the gut of two birds shot in December while feeding in rice fields
in Trang province, Thailand, and found their crops and gullets full of large
freshwater snails Ampullaria, accompanied by ‘one or two’ freshwater
mussels. Delacour and Jabouille (1931) reported that C. scutulata feeds on
seeds, insects, worms, little fishes, frogs etc. This information may have been
based on the observations in captivity of previous authors such as Baker.
In Sumatra, Hoogerwerf (1950) found stomachs of several dozen birds to
contain only vegetable matter: algae, grasses, small tubers of rushes and ‘teki
tubers’ (a type of grass). Chambers (1990) found the birds to eat animal
matter, including grasshoppers, tadpoles, dragonflies and small fish. In
deeper water, ducks swam around and changed direction rapidly, stabbing
the bill into the water as if taking food from just below the surface. The head
was rarely immersed. In water of a few inches depth, ducks waded around
with beak immersed, occasionally twisting and thrusting the head forward as
if chasing prey.
VOCALISATIONS
C. scutulata is often heard calling in flight or while stationary. Chambers
(1990) found that birds gave honking calls when in flight or when flushed.
51% of single birds (N=70) and 91% of paired birds (N=34) called. There
are likely to be seasonal differences in the frequency of vocalisations, but
these are not known. There is considerable ambiguity in the literature about
the nature of C. scutulata calls and of sexual dimorphism. Baker (1908)
referred to the ringing, trumpet-like flight call of C. scutulata , and said that
ducks in captivity made a very low quacking note with head held low and bill
wide open, as well as an aggressive hissing. Hutchinson ( 1 946) described the
main call used by single birds in flight and that used by pairs when together
as a “low whistle” and the call given when alarmed as a ‘loud goose-like
“honk” ‘. Parsons (1940) refers to ‘their peculiar whistling call’ while Stevens
(1914) describes it as ‘an unmistakeable long drawn “honk” ‘. Engelbach
(1952) described the call as resembling the trumpet call of geese. Hoogerwerf
(1950) described the flight call as ‘tatta-tatta-tatta’ repeated every three to
five seconds. When feeding and landing at roosting sites, they utter a weaker
call of ‘tietieta-tietieta-tietieta’.
Stanford and Ticehurst (1931) states that the flight calls ofC. scutulata are
sexually dimorphic with the male producing ‘a low “cronk”, “cronk” ‘ and
the female ‘a whistle’. Delacour and Jabouille (1931) liken the male call to
a trumpet call, and describe that of the female as a quiet crowing. Holmes
(1976) stated that birds called more or less continuously in flight, producing
1993
The biology of the White-winged Duck
77
a goose or crane-like honk, which was often heard simultaneously with a high
whistle when two birds were flying together. Thus he suggested that the male
and female produce separate, distinct calls.
Mackenzie and Kear (1976) described the flight call as a ‘prolonged,
vibrant, wailing honk sometimes breaking to a nasal whistle at the end’ and
were uncertain as to whether the male made the honk and the female the
whistle. They also described a shorter honk produced on the water ‘often
sounding as though the bird were losing its voice or there were two calling
simultaneously in different keys’, and an aggressive hiss made while holding
the head low. Loud calls made by pinioned birds in captivity vary considerably
in their duration and number of syllables, and are often accompanied by a
head-bobbing display. There is a clear sexual dimorphism in these calls, with
female calls having a lower overall frequency and more harmonics than male
calls. It is also clear that wild birds have a flight call that is not produced by
pinioned birds (personal observation).
PREDATORS
There is very little information about natural causes of C. scutulata mortality.
Gee (1958) reported two sightings of C. scutulata being attacked by unidentified
hawks Accipitridae while flying. One was struck down into the reeds but
managed to fly away. In Bangladesh, an adult was killed by an otter Lutra in
1978 (Husain and Haque 1981). However, this bird may first have been
trapped in a fishing net.
POPULATION DENSITY
There are some data on the densities at which C. scutulata is found, measured
as birds per unit land area. Since the species is dependent on both forest and
wetlands, it may be more relevant to relate the numbers of birds to the area
of wetlands available in the forest, or to the length of forest-wetland interface,
but such data do not exist. Husain and Haque (1981) found that all the
known feeding, roosting and breeding sites of C. scutulata in the Pablakhali
area fell within an area of 15,200 ha. The maximum number of birds
recorded by surveys in this area was 28. This gives a C. scutulata density of
one adult per 540 ha, including both breeding and non-breeding birds. The
maximum number of breeding pairs recorded in this area was five in 1977,
giving a maximum density of one breeding pair per 3,040 ha. In 733 ha of
mature forest in Duamara RF, Assam, in 1969-1970 there was a known
population of eight adults (one adult per 92 ha) with an estimated peak of 1 4
birds (one bird per 52 ha including two family parties, Mackenzie and Kear
1976). Assuming that two breeding pairs of adults were present, this gives a
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A. J. GREEN
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density of one breeding pair per 370 ha. Mackenzie and Kear suggest that in
ideal habitat the maximum density of C. scutulata is likely to be no more than
one adult per 50 ha. These data suggest that the density of birds was
approximately ten times higher in Duamara RF than in Pablakhali Wildlife
Sanctuary, probably because the Pablakhali population was living in more
disturbed secondary habitat and was subjected to considerable hunting
pressure (Husain and Haque 1981, Green 1992).
In Sumatra, Holmes (1977) estimated that in densely populated areas of
Lampung, or in extensive coastal swamps, C. scutulata may have a density of
no more than one adult per 250 ha, whilst unconfirmed local information
suggested that in the less populated Menggala area of Lampung there may
have been eight adults in an area of 500 ha (i.e. one per 63 ha), although some
of the villagers’ information may have been duplicated. Tim Ekspedisi
(1991) estimated 20-30 birds for the Way Kanan/Kali Biru/Kali Batin area
(c. 7,600 ha of habitat) of Way Kambas reserve in 1990, giving a density of
approximately one bird per 300 ha, including non-breeders. Thus there is
evidence that recent densities of the two largest known surviving populations
of C. scutulata (W ay Kambas National Park and Pablakhali Wildlife Sanctuary)
are much lower than those formerly attained in areas less affected by habitat
degradation or hunting.
MOULTING
Baker (1908) observed that captive C. scutulata in Assam moulted rapidly in
September or early October, undergoing a flightless period of two weeks.
Chambers (1990) observed an adult bird in moult on 2 May 1989, standing
on a log in a forest pond, while preening and flapping its wings for at least 1 5
minutes. Whether the feathers being shed were wing or body feathers is not
known. Even in captivity, it is not known whether C. scutulata moults its wing
and body feathers together. This limited evidence suggests that a flightless
moult occurs at the end of the breeding season as in most Anatidae (Owen
and Black 1990).
LEUCISM
Indonesian C. scutulata have long been known on average to be much whiter
than Continental Asian birds. Blyth (1867) wrote ‘two mostly white [Javan]
specimens in the British Museum look very like a domesticated race of this
species’. Since then, many authors have suggested that the whiteness is a
result of either domestication or inbreeding in the wild (e.g. Hume and
Marshall 1880; Salvadori 1895; Mackenzie and Kear 1976), but there is no
evidence for either theory. The whiter pigmentation is more likely to have
1993
The biology of the White-winged Duck
79
evolved through natural selection, and to suggest that the Indonesian
population is whiter because it is more inbred has no more basis than to
suggest that the white morphs of the Lesser Snow Goose Anser caerulescens
caerulescens are simply inbred versions of blue morphs, which is not the case
(Cooke et al. 1985).
Hoogerwerf (1950) and Chambers (1990) described the leucism on the
body and found that males tend to be whiter than females. There is however
much variation in the extent of white on the head, back, belly, tail-coverts,
rump and wing-coverts in both sexes and some birds also have two or three
white primaries. There is apparently a continuous variation in Indonesian
birds from dark continental type birds to birds that are almost entirely white
(Mackenzie 1990). What remains unclear is whether this variation exists
because a) birds change with age, perhaps becoming more white as they get
older or b) there is a genuine polymorphism, with different colour morphs in
the same population. In other wildfowl, there is a development of more
extensive white plumage in older individuals of Laysan Tea \A nas laysanensis,
whilst there is a sympatric mixture of dark and white morphs in the Snow
Goose. The limited available evidence supports the ageing hypothesis
because there appears to be a continuous variation of white extension in C.
scutulata (as in A. laysanensis ), and Baker (1908) found that Indian drakes in
captivity became more white with age on the head and neck, especially
around the eye.
The morphological difference between the Indonesian and continental C.
scutulata is likely to stem from a considerable genetic difference, and the two
populations should perhaps be regarded as separate subspecies: C. scutulata
leucoptera for Indonesia (following Blyth 1849; Hume and Marshall 1880;
Hoogerwerf 1950) and C. scutulata scutulata for the continent. Indeed, two
races would have been notified in the last century were it not for the
suggestion that the Indonesian birds were a domesticated race (Hume and
Marshall 1880). There is no evidence that C. scutulata was ever present in
continental Malaysia in the areas closest to Indonesia, the nearest record
being over 1 20 km across the sea from the Sumatran coast. This suggests that
the two populations have been isolated at least since the end of the
Pleistocene (D. A. Holmes in litt. 1991), 10,000-12,000 years ago. Since
there is little evidence that C. scutulata was ever well established in Malaysia
(Green 1992), the two populations may have been isolated for considerably
longer.
DISCUSSION
The White-winged Duck Cairina scutulata is an unusual waterfowl and
differs considerably from more typical duck species that are migratory, form
sizeable flocks on large, open wetlands, show marked sexual dimorphism and
80
A. J. GREEN
Forktail 8
have short term pair bonds with males showing no mate attendance or
paternal care after incubation begins (Owen and Black 1990). Long-term
pair bonds and paternal care tend to occur in species with little sexual
dimorphism, so the evidence for these behaviours in Cairina scutulata is
consistent with the fact that this species shows little sexual dimorphism.
The information on the biology of C. scutulata presented here is of
considerable value in understanding the conservation needs of the species
and in planning conservation programmes. For example, it is clear that field
surveys to locate the species should be concentrated around dawn and dusk
periods. Whilst most sightings have been made in dry seasons, individual
workers have found it easier to see the birds in the wet season. Hence surveys
are well worthwhile under both conditions. Observations in captivity (Green
et al. 1992) suggest that playback of conspecific calls in the forest may be
useful in locating birds at other times of the day and in locating pairs at the
nest. It is clear that the dependency on tree holes for nesting makes the species
particularly vulnerable to logging of old trees containing holes (Khan 1986),
since the birds have no way of making their own holes. The number of tree
holes available has been found to control population size in other hole-nesting
wildfowl such as the Wood Duck Aix spons a. The provision of nest boxes has
dramatically increased the population size of A sponsa (Bellrose 1978), and
is a possible management measure for C. scutulata. There is also some
evidence that some populations of C. scutulata could be limited by the small
amount of feeding habitat available at the height of the dry season. Observations
during the drought in Way Kambas National Park in 1991 suggest that such
droughts have the potential to eliminate some populations of C. scutulata.
There remains an urgent need for further research into the biology of C.
scutulata in order to improve our understanding of what measures can assure
the conservation of the species (see Green 1992 for details). There is a
particular need for long term studies that address such questions as: what
limits population density and breeding success in each site? (nest site
availability? dry season feeding? hunting? territoriality?); what is the home
range or territory size of individuals, and how far can they disperse between
forest areas?; what seasonal movements and seasonal changes in habitat use
occur?; what sort of nest holes and nesting trees are preferred? There is also
a need for genetic analyses to establish whether the Indonesian and Continental
Asian populations of C. scutulata should be treated as separate races each
worthy of their own conservation plans. The author would like to hear from
anyone in a position to undertake any of these field studies.
Many people have contributed to this study, and full acknowledgments are given in Green (1992). I am
particularly grateful to A. Chambers, K. Z. Husain, M. N. Haque, Rudyanto and Tim Ekspedisi for
providing us with their information. J. Bowler, D. A. Holmes, M. A. R. Khan, N. Bhumpakphan, and
P. D. Round also provided very helpful information. Mario Bertuca prepared the figures.
1993
The biology of the White-winged Duck
81
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Ali, S. and Ripley, S. D. (1968) Handbook of the birds of India and Pakistan, 1, Bombay: Oxford University
Press.
Baker, E. C. S. (1908) Indian ducks and their allies. Bombay: Bombay Natural History Society.
Baker, E. C. S. (1929) The fauna of British India, birds , 6. 2nd Edn. London: Taylor and Francis.
Bellrose, F. (1978) Ducks, geese and swans of North America. 2nd edition. Harrisburg: Stackpole Books.
Blyth, E. (1849) Catalogue of the birds in the museum of the Asiatic Society.
Blyth, E. (1867) The ornithology of India - a commentary on Dr. Jerdon’s Birds of India. Ibis (2)3:
147-185.
Chambers, A. (1990) The White-winged Wood Duck, Cairina scutulata, in the Way Kambas National
Park. Unpublished report of Southampton University Expedition.
Cooke, F., Findlay, C. S., Rockwell, R. W. and Smith, J. A. (1985) Life history studies of the Lesser
Snow Goose ( Anser caerulescens caerulescens) . Ill The selective value of plumage polymorphism: net
fecundity. Evolution 39: 165-177.
Delacour, J. and Jabouille, P. (1931) Les oiseaux de Tlndochine Frangaise, 1. Paris.
Engelbach, P. (1952) Notes de voyage dans les monts des Cardamomes (Cambodge). L’Oiseau etR.f.
O. 22: 283-302.
Evans, G. H. (1901) On the occurrence of the White-winged Wood Duck ( Asarcomis scutulatus ) in
Upper Burma. J. Bombay Nat. Hist. Soc. 13: 532-533.
Gee, E. P. (1958) The present status of the Whitewinged Wood Duck, Cairina scutulata (S. Muller). J.
Bombay Nat. Hist. Soc. 55: 569-575.
Green, A. J. (1991) Focus on the White-winged Wood Duck. Oriental Bird C/ui Bulletin 14: 25-27.
Green, A. J. (1992) The status and conservation of the White-winged Wood Duck Cairina scutulata. IWRB
Special Publication No. 17. Available from Research Dept., Wildfowl and Wetlands Trust,
Slimbridge, Glos., GL2 7BT, UK for UK £10.00 plus £3.50 postage and packing.
Green, A. J., Webber, L. C. and Etheridge, A. (1992) Studies of the White-winged Wood Duck Cairina
scutulata in captivity. Wildfowl 43: ?.
Holmes, D. A. (1976) A record of White-winged Wood Duck Cairina scutulata in Sumatra. Bull. Brit.
Om. Club 96: 88-89.
Holmes, D. A. (1977) A report on the White-winged Wood Duck in southern Sumatra. Wildfowl 28:
61-64.
Hoogerwerf, A, (1949) Een Bijdrage tot de oologie van het eiland Java. Koninldijke Plantentuin Van
Indonesie, Buitenzorg, Java.
Hoogerwerf, A, (1950) De Witvleugeleend, Cairina scutulata, van de Grote Soendaeilanden. Ardea 38:
64-69.
Hume, A. O. and Marshall, C. H. T. (1880) Game-birds of India, Burmah and Ceylon, 3. Calcutta: ?.
Husain, K. Z. (1977) The White-winged Wood Duck. Tigerpaper 4(1): 6-8.
Husain, K. Z. and Haque, M. N. (1981) The White-winged Wood Duck Project. Study of the ecology and
breeding biology of the White-winged Wood Duck, Cairina scutulata (Muller) in Pailakhali, the Chittagong
Hill Tracts, 1976-1978. Report to the University Grants Commission, Dhaka.
Hutchinson, R. E. (1946) The White-winged Wood-duck, Asarcomis scutulata (Miller). J. Bombay Nat.
Hist. Soc. 46: 402-403.
Khan, M. A. R. (1983) The vanishing White-winged Wood Duck. Bangladesh Today 16-30 June: 43-45.
Khan, M. A. R. (1986) The threatened White-winged Wood Duck Cairina scutulata in Bangladesh.
Forktail 2: 97-101.
Lambert, F. (1988) The status of the White-winged Wood Duck in Sumatra, Indonesia. A preliminary
assessment. PHPA-AWB/TNTERWADER Report No. 4.
Mackenzie, M. J. S. (1975) WWF project 406: White-winged Wood Duck status survey in Assam
(1975). Unpublished report.
Mackenzie, M. J. S. (1990) White-winged Wood Duck Cairina scutulata - the question of Indonesian
albinism. Wildfowl 41: 163-166.
Mackenzie, M. J. S. and Kear, J. (1976) The White-winged Wood Duck. Wildjowl 27: 5-17.
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Madge, S. and Bum, H. (1988) Wildfowl. London: Christopher Helm.
Medway, Lord and Wells, D. R. (1976) Birds of the Malay Peninsula , 5. London: Witherby.
Milton, O. and Estes, R. D. (1963) Burma Wildlife Survey 1959-1960. Special publication No. 15.
American Committee for International Wildlife Protection. New York.
Mitra, S. N. (1957) Banglar shikar prani. Calcutta: Bengal Government Press. (In Bengali.)
Mukherjee, A. K. (1961) A report on the investigation of the status of the White-winged Wood Duck
in Assam and recommendations of a sanctuary for its protection. Rec. Indian Mus. 59: 471-478.
Oates, E. W. (1899) A manual of the game birds of India, 2. Bombay.
Ounsted, M. (1985) Report on White-winged Wood Duck Cairina scutulata. Unpublished Wildfowl
Trust Report.
Owen, M. and Black, J. M. (1990) Waterfowl ecology. Glasgow and London: Blackie.
Parsons, R. E. (1940) Notes on wild duck and geese in the Sadiya Frontier Tract, Assam. J. Bombay Nat.
Hist. Soc. 41: 422-426.
Robinson, H. C. (1909) Notes on birds new to, or rare in, the Malay Peninsula. J. Fed. Malay Stares Mus.
4: 129-133.
Robinson, H. C. (1915) On a collection of birds from the Siamese province of Bandon, N.E. Malay
peninsula. J. Fed. Malay States Mus. 5: 83-1 10.
Robinson, H. C. and Kloss, C. B. (1910-1911) On birds from the northern portion of the Malay
peninsula including the islands of Langkawi and Teratau. Ibis 52: 659-675, 53: 10-79.
Robson, C. (1988) Recent reports. Oriental Bird Club Bulletin 8: ?.
Round, P. D. (1990) White-winged Duck. Bangkok Bird Club Bull. 7(1 1): 11.
Salvadori, T. (1895) Catalogue of the birds in the collection of the British Museum, 27. London: British
Museum.
Scott, D. A. (1989) A directory of Asian Wetlands. IUCN.
Smith, H. C. (1942) Notes on birds of Burma. Published Privately.
Stanford, J. K. and Ticehurst, C. B. (1931) The birds of the Prome District of Lower Burma. J. Bombay
Nat. Hist. Soc. 34: 666-672, 35: 32-50.
Stanford, J. K. and Ticehurst, C. B. (1939) On the birds of northern Burma. Part VI. Ibis ?: 21 1-258.
Stevens, H. (1914) Notes on the birds of Upper Assam. J. Bombay Nat. Hist. Soc. 23: 234-268, 721-736.
Tim Ekspedisi CAIRINA SCUTULATA (1991) Bebek Hutan Bersayap Putih (Cairina scutulata) di
Taman National Way Kambas Propinst Lampung, Sumatera, Indonesia. HIMBIO UNPAD. Jatinangor.
Andy J. Green, The Wildfowl and Wetlands Trust, Slirnbridge, Gloucester, GL2 7BT, U.K.
1993
FORKTAIL 8 (1993): 83 - 88
83
The decline of the Brahminy Kite
H alias tur indus on Java
BAS VAN BALEN, ISMU S. SUWELO, DWI S. HADI, DJOKO
SOEPOMO, REZE MARLON and MUTIARINA
Throughout the Indonesian archipelago by far the most commonly seen bird of prey and most
successfully adapted to man is the Brahminy Kite Haliastur indus. In many harbour cities they are
numerous, feeding on refuse and offall near abattoirs. This commensal relationship tends to theft when
the occasional chicken is taken by this clever flyer. It is perhaps because of this, that the almost total
disappearance of the species from the island of Java (in contrast to other Indonesian islands, where the
species is still one of the most abundant raptors) during the last few decades, has not been regretted by
farmers and remained unnoticed for a long time. Only a few years ago, van Balen (1984) noted the drastic
decrease of the species in Bogor and its environs, and Erftemeijer and Djuharsa ( 1 988) reported a similar
decline for the vicinity of Surabaya.
Despite its reputation as a chicken thief the species has been adopted as the
city of Jakarta’s regional avian symbol (Holmes 1 990), as its neat appearance,
fearless character and remarkable abilities shown in flight fully compensates
for the loss of some fowls. To assess the species’ status in the Indonesian
capital and its environs, a short survey was made of its former haunts.
Combined with observations over the last 10-12 years by the authors and
others the results of this survey formed the data base for this paper. An
attempt will be made to elucidate the causes for the decline.
GENERAL HABITS AND BIOLOGY
The Brahminy Kite is the most catholic species of raptor in Java with regard
to habitat as well as food. In former days the species was found throughout
the island in open country up to 1500 m in West Java and to the highest
altitudes in East Java (Hoogerwerf 1969-1971). Large harbour cities formed
preferred places, in particular where refuse was dumped in the water (such
as the T anjung Priok harbour and canal, and near abattoirs, e.g. the Gunung
Sahari canal in Jakarta, where often tens or more than 100 birds congregated
(Hoogerwerf and Siccama 1937). Near fishponds and throughout the entire
coastal area, including near villages, the bird was common. In more natural
habitats i.e. riverine forest edges, mangroves, beaches, lakes etc, the birds are
mostly encountered in pairs or singly rather than in large groups.
There appears to be some controversy about two of its least noble habits,
i.e. scavenging and chicken robbery. Though often presented as a “great
robber of chickens, and much detested by natives” (e.g. Whitehead in
84
B. VAN BALEN el al.
Forktail 8
Smythies 1981), other sources mention this accusation as somewhat
exaggerated and state that chickens are seized only very rarely (Koningsberger
191 1-1915; Sody 1953). To its defence the possible consumption of pest
insects of teak forests and coffee plantations, such as large grasshoppers and
beetles was reported (Sody 1953). Other food items include flying termites,
frogs, snakes, fishes (dead but also caught alive from the water), birds (mainly
young and eggs) and bats (van Balen 1915; Hoogerwerf 1948a,b; Sody
1953). Its scavenging habits, too often exaggerated, are largely limited to an
urban life (Hoogerwerf 1 948b) and in more natural conditions scavenging is
more or less restricted to food items washed up along the beach (Sody 1953;
Koningsberger 1911-1915).
Its typical raptor nest is built in medium-sized to tall trees in mangroves,
forest edges and in open country. Though once abundant in Jakarta and
environs, Hoogerwerf and Siccama (1937) found only a few nests of the
species in some inaccessibly tall trees. Nesting takes place during January-
August, with peaks in May-June (Hellebrekers and Hoogerwerf 1967).
FORMER DISTRIBUTION ON JAVA
The first record of the Brahminy Kite on Java was by Baron F. von Wurmb
(1779-1782). It featured as the “Chicken Thief’ amongst eight other bird
species, that the Baron encountered in Jakarta, and which were the first
descriptions of Javan birds ever published. Figure 1 shows the localities
where Brahminy Kites have been collected and observed. No quantitative
Figure 1. Former and present distribution of Brahminy Kite in Java.
0 = records before 1980;
Q = records after 1980.
Data from: Hoogerwerf 1948; Museum Zoologi Bogor; Nationaal Natuurhistorisch Museum
Leiden; Mees, unpublished data 1946-1949; own observations; A. Lewis, pers. comm.; and
publications mentioned in the text.
1993
The decline of the Brahminy Kite on Java
85
data are available, but indications of abundance can be found in a number
of reports and publications. A summary is given below.
Bartels ( 1 902) : ‘rather common Kediri; especially numerous near Surabaya’.
Koningsberger (1911-1915): ‘by far the most common raptor in the
coastal area; also far from rare in the interior’ (Java).
Sody (1927): ‘Most common raptor; several times found breeding’ (Bogor).
Hoogerwerf (1936): ‘extraordinary large number of Brahminy Kites;
sometimes up to 30 birds circling in the sky’ (Brantas delta).
Hoogerwerf and Siccama (1937): ‘Occurs in large numbers near Jakarta
and Tanjung Priok, like in all harbours of Java’.
Hoogerwerf (1950): ‘almost daily being heard or seen’ (Botanical Gardens
Bogor).
Hoogerwerf (1969-1971): ‘One of the most common raptors’ (Java).
PRESENT DISTRIBUTION ON JAVA
Figure 1 shows the observations of Brahminy Kites during the last 12 years
in Java (solid circles). During 1979-1990 the first author saw Brahminy Kites
on only 15 occasions at 10 sites. The total was 20 individuals, including six
juveniles, which stands in sharp contrast to the species’ abundance in former
days. The observations during this period were made in a large range of
habitats (see Table 1). It is evident that the species disappeared from most
of its former area of distribution. In the areas formerly densely populated by
kites, e.g. Jakarta and Surabaya, only three individual birds respectively have
been seen in the last six years. Also the other recent observations refer to
single birds or pairs, and none of the aggregations, which are such a common
sight in the outer islands, has been seen in Java. The present survey,
conducted in two periods ( 1 9-2 1 March, and 20-23 May 1991), yielded only
one pair of kites on an island in the Jakarta Bay.
Table 1. Habitats and numbers of Brahminy Kites Haliastur indus seen during 1979-1991 .
86
B. VAN BALEN et al.
Forktail 8
POSSIBLE CAUSES OF THE DECLINE
Erftemeijer and Djuharsa (1988) discussed some possible causes of the
decreasing numbers of Brahminy Kites in the Brantas and Solo deltas in East
Java. These included use of pesticides, hunting and destruction of nest sites,
but it was concluded that no one of these factors could satisfactorily explain
the decline. Since a more comprehensive picture of the status of the birds on
Java has now been obtained, a new attempt is made below.
Pesticides
The excessive use of pesticides on ricefields, which commenced in the 1960s,
concurred with the decrease, and sometimes total disappearance, of many
typical ricefield birds on Java, such as Pond Herons and Egrets. Moreover,
the intensification of the fish pond cultures, where weed species of fish are
commonly killed by pouring insecticides into the ponds (as the present survey
team witnessed in the Tanjung Sedari area; the poisoned and dying fish were
taken by the hundreds of numerous herons, egrets and terns, that gathered
on the banks), forms another hazard, as fish and dead piscivorous birds killed
by poison may readily be taken by kites.
Hoogerwerf (1969-1971) reported that the Brahminy Kite was common
throughout Java. As his field ornithological data covered the period from the
late 1930s up to the late 1950s the decrease may already have set in during
the sixties, at the very earliest, which would coincide with the increasing use
of pesticides. Unfortunately there are no data on the status of the kite in the
period from 1960 until the early seventies when the species had already
become a rarity (D. Holmes pers. comm.). Erftemeijer and Djuharsa (1988)
countered the argument of the possible effect of insecticides by stating that
crows Corvus and monitor lizards Varanus did not drop in numbers locally,
as would be expected. The scavenging Large-billed Crow C. macrorhynchos,
however, seriously decreased in numbers throughout Java (though perhaps
not as drastically as the kite); the cold-blooded lizards may show different
reactions towards insecticides than animals with a high metabolic rate.
Hunting pressure
Stuffed birds, and especially birds of prey, form favoured objects at local
souvenir shops. “Professional” and amateur hunters roam the rural areas in
search of birds, and the Brahminy Kite’s relative lack of shyness makes it an
easy target. Live birds, taken from the nests as young, are very popular,
despite the protected status of the species under Indonesian law. The 22
Brahminy Kites held in the Surabaya Zoo, are mostly confiscated birds from
the local market.
1993
The decline of the Brahminy Kite on Java
87
Habitat loss
The conversion of mangroves into fish and shrimp ponds and the intensification
of shrimp ponds, especially along the north coast of Java, increased dramatically
during the last decades. Most tall trees disappeared and it is now very hard
to find any piece of forest that might be suitable breeding habitat for raptors.
Four of the established or proposed nature reserves, that were known for their
mangrove and swamp forest (Muara Angke/Kapuk, Mauk, Tanjung Sedari,
Muara Gembong), the first of which was established as a nature reserve, the
other three proposed as such, appeared to be completely devoid of closed
forest and/or tall trees required for breeding. No Brahminy Kites were seen
in these areas during the survey, and the only birds seen, were a pair on 22
May 1991 on Rambut Island, in the Jakarta Bay.
Food supplies
Newton (1979) noted that the scavenging raptors, that abound in tropical
towns, are sustained by the garbage and other human waste, and that with
the improving of urban hygiene, they would disappear. This may explain the
disappearance of Brahminy Kites near public slaughter houses in Jakarta in
the first half of this century and also the disappearance of Large-billed Crows
that were once abundant near similar places in the town.
CONSERVATION
The small population size of Brahminy Kites in Java may become a problem,
when the numbers continue to be low. The juveniles amongst the birds
observed in the past decade suggests that there is considerable regeneration
in the population, though the possibility of this being stragglers from
populations outside Java must not be excluded. In the second case the effect
of low numbers would be ameliorated by the influx of these unrelated birds.
The first case would indicate the presence of refuges, from where the Javan
population is supplemented. The existence of these would greatly enhance
the chances for the restoration of the Javan population, when proper
measures are taken.
Any measure aimed to conserve the Brahminy Kite should take into
consideration each of the above-mentioned factors (especially pesticides,
hunting and habitat), as none of them alone can fully account for the species
decline. They should include the following:
1 . The up-grading of the existing reserves along the coast, and establishment
of new ones.
88
B. VAN BALEN et al.
Forktail 8
2. Identification and guarding of breeding sites.
3. Provision of artificial nests in (well-guarded) trees (see Meyburg 1981).
3. Law enforcement with regard to the hunting and trading of birds of prey.
4. Control on the use of pesticides.
But above all, rehabilitation of the Brahminy Kite, and actually of all other
birds of prey, through extension programmes, would greatly assist to such
measures. The appropriate choice of this raptor as Jakarta’s symbol is the first
important step.
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Koningsberger, J. C. (1911-1915) Java zoologisch en biologisch. Buitenzorg.
Meyburg, B.-U. (1981) Notwendigkeiten und Moeglichkeiten des Populationsmanagements bei
GreifVoegeln. Oekol. Voegel 3 (Spec. Issue): 317-334.
Newton, I. (1979) Population ecology of raptors. Berkhamsted: Poyser.
Smythies, B. E. (1981) The birds of Borneo. Third edition. The Sabah Society with the Malayan Nature
Society.
Sody, J. H. V. (1927) Lijst van Buitenzorg-vogels en - zoogdieren. Natturk. Tijdschr. Ned. lnd. 87: 181-
204.
Sody, J. H. V. (1936) De broedtijden der Javaansche vogels. Ardea : 25: 200-205.
Sody, J. H. V. (1953) Vogels van het Javaanse djatibos. Maj. Ilmu Alam lnd. 109: 125-172.
Wurmb, Baron F. von. (1779-1782)) Verhandelingen I— III.
1993
FORKTAIL 8 (1993): 89 - 96
89
The conservation status of the forest birds
of Siquijor, Philippines
T. D. EVANS, P. MAGSALAY, G. C. L. DUTSON and T. M.
BROOKS
Siquijor is a small island in the central or Visayan region of the Philippines. During a student expedition
(the Cambridge Philippines Rainforest Project 1991) in 1991, three days were spent surveying the
remnant forests there. The major ornithological interest of the island is its population of the threatened
Streak-breasted Bulbul Ixos siquijorensis, and there are also several endemic bird subspecies.
FOREST STATUS ON SIQUIJOR
Siquijor is a hilly, coralline island, covering 344 km2 and reaching 628 m
altitude. Only four significant patches of forest remain (Figure 1), which
cover a total of 781 ha, and are all in reserves controlled by the Department
of Environment and Natural Resources. Three of these patches were visited
by the expedition in the company of forest reserve staff and Perla Magsalay,
a native Siquijorian and National Coordinator of Asian Wetland Bureau -
Philippines, between 27 and 30 August 1991.
The last detailed report on Siquijor was by Rand and Rabor (1960), who
presented a species list and a physical description of the island. They
described only two patches of forest, both of the lowland evergreen dipterocarp-
molave type, at Lilo-an (then 400 ha), and Bandila-an (then 500 ha). They
observed logging and encroachment at both sites.
These two sites are now much smaller (Figure 1), and we noted signs of
continuing degradation, which should be halted as soon as possible. Lilo-an
is under particular pressure - the understorey has been replaced by maize over
about 90% of the area, so the site is more like parkland than forest. This has
happened in the last five years, since the visit of J. Hornskov and S. Jensen
in 1987 (P. Magsalay pers. obs.). Forest species lost include Orange-bellied
Flowerpecker Dicaeum trigonostigma and Y ellow-bellied Whistler Pachycephala
philippinensis, while the Streak-breasted Bulbul Ixos siquijorensis now occurs
in comparatively low numbers (Figures 2 and 3). Bandila-an has the best
remaining forest and retains a typical forest avifauna, but a few larger species
are apparently extinct even there e.g. Red Junglefowl Gallus gallus, which was
noted to be on the verge of extinction by Rand and Rabor (1960).
The two small forest patches not mentioned by Rand and Rabor are also
currently under pressure from logging and encroachment (pers. obs.). Apart
from a few parts of the Bandila-an site, no primary forest remains on Siquijor.
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T. D. EVANS et al.
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Figure 1 Remaining forest on Siquijor
NEW RECORDS FOR SIQUIJOR
Siquijor has an impoverished avifauna of around 90 breeding species
(including the new records below), due to its small size, recent origins and,
perhaps, recent deforestation (Rand and Rabor 1960). There are no records
of, amongst others, tits, drongos, woodpeckers, hornbills or barbets.
We noted seven ‘new’ species for the island (not listed by Dickinson et al.
1 99 1 ), of which six are probably resident breeders: Spotted Dove (common),
Uniform Swiftlet Collocalia vanikorensis (Lilo-an and Bandila-an), White-
bellied Swiftlet C. esculenta (Bandila-an), Asian Palm-Swift Cypsiurus balasiensis
(one or two at Lilo-an), Golden-bellied Gerygone Gerygone sulphurea (three
heard in coastal scrub at Larena), Yellow Wagtail Motacilla flava (five
migrants seen at Lilo-an), and Eurasian Tree Sparrow Passer montanus
(ubiquitous in towns and farmland, including a roost of 100 in the town of
Maria).
In addition, a frigatebird Fregata was seen at Lilo-an. Both Great F. minor
and Lesser FrigatebirdsF. aquila are known from the Philippines, but neither
has been recorded from Siquijor. Also one Red-necked Phalarope Phalaropus
lobatus and three Bridled Terns Sterna anaethetus were seen from a ferry
between Negros and Siquijor on 27 August. The Siquijor list now stands at
121 species.
ENDEMIC SUBSPECIES
A special effort was made to locate species of conservation interest. We saw
four of the five endemic subspecies in reasonable numbers in the remaining
forest (Figure 3). These were Streak-breasted Bulbul Ixos siquijorensis
1993
Conservation status of the forest birds of Siquijor, Phillipines
91
siquijorensis, Yellow-bellied Whistler Pachycephala philippinensis siquijor ensis,
Orange-bellied Flowerpecker Dicaeum trigonostigma besti and Everett’s White-
eye Zosterops everetti siquijorensis. Only the bulbul was present at Lilo-an, but
all were present at Canghaling and Bandila-an. They occur at high densities
in the habitat which remains, so are not under immediate danger of
extinction. However, this could change very quickly if any more forest is
cleared - it seems that the whistler, flowerpecker and white-eye are already
extinct at Lilo-an. They will require careful monitoring.
There are no recent records of the Philippine Hanging-Parrot Loriculus
philippensis siquijorensis (Parkes and Dickinson 1991), although they had been
reported to Perla Magsalay from the vicinity of Bandila-an. These could have
referred to escaped cage-birds of other subspecies, as is apparently the case
on Cebu (Rabor 1959), where the endemic subspecies L. p. chrysonotus is also
considered extinct.
THREATENED AND NEAR-THREATENED SPECIES
Nine threatened or near-threatened species (Collar and Andrew 1988) are
known from Siquijor. Of these, Nicobar Pigeon Caloenas nicobarica
(threatened) is known from two specimens, Spotted Imperial Pigeon Ducula
carola (near-threatened) from one specimen, Malaysian Plover Charadrius
peronii (near- threatened) from one specimen, and Japanese Night-Heron
Gorsachius goisagi (threatened) from four specimens. All are probably
migrants or occasional visitors. The other five probably once bred on the
island.
The Rufous-lored Kingfisher Todirhamphus winchelli (near-threatened) is
a scarce lowland forest species endemic to the southern Philippines. Two
juveniles were seen at Lilo-an, where the habitat has been severely degraded.
The population on Siquijor must now be tiny.
The Philippine Cockatoo Cacatua haematuropygia (threatened) formerly
bred commonly throughout the Philippines. In the last 1 5 years, populations
have crashed, due mainly to trapping for the cage-bird trade. Extinction
seems imminent (F. Lambert verbally 1992). Only Palawan, Mindanao and
Luzon still support more than scattered pairs and, even there, all accessible
nests are raided annually. It is apparently extinct on Negros (Brooks et al. in
prep.) and Cebu (P. Magsalay pers. obs.), and extremely rare on Mindoro
(Dutson et al. in press). One pair remains on Siquijor, at Lilo-an. This pair
is well-known locally and the nest has been robbed in each of the last five
years, making their future on the island very bleak.
The Philippine Hawk-Eagle Spizaetus philippensis and the Malayan Night-
Heron Gorsachius melanolophus (both near-threatened) have not been found
on Siquijor since 1891 (Rand and Rabor 1960) and are likely to be extinct.
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T. D. EVANS el al.
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The Streak-breasted Bulbul Ixos siquijorensis (threatened) is known from
four islands. It formerly occurred on the mountain-tops of Cebu (7. s.
monticola ), where it is apparently extinct, following total deforestation of the
island, although the widespread Philippine Bulbul 7. philippinus was still
abundant in scrub there (Rabor 1959). It is found on the small islands of
RomblonandTablas (7. s. cinereiceps, Dickinson etal. 1991), where very little
forest remains (Swedish Space Corporation 1988). R. J. Timmins visited
both islands in 1992 and found that the bulbul was numerous in the very
limited habitat remaining. The subspecies 7. s. cinereiceps appears very
different in the field and may warrant treatment as a separate species from 7.
s. siquijorensis (R. J. Timmins verbally 1992). On Siquijor, as on Romblon
and T ablas, 7. philippinus is absent, and 7. s. siquijorensis occurs at all altitudes.
We found it common in the three forest patches visited and in dense second
growth. It may or may not require forest for breeding, but the remaining
forest habitat is probably sufficient for several thousand individuals (given a
density of maybe 1-3 pairs per hectare). Scrub is plentiful in the hillier parts
of the island, but the comparatively low encounter rate at Lilo-an suggests
that dense forest is the preferred habitat. The bird merits its threatened
status, and should be considered Rare if it can breed in second growth, and
Vulnerable if not.
The Blue-naped Parrot Tanygnathus lucionensis was also formerly known
from Siquijor. We did not see it, but it was seen at Lilo-an in 1987 (P.
Magsalay pers. obs.) and forest guards reported ‘green parrots’ there in 1 99 1 .
The species, although not listed in Collar and Andrew ( 1 988), is under severe
pressure. It is apparently extinct on Negros (Brooks et al. in prep.) and Cebu,
virtually so on Mindoro (Dutson et al. in press), and heavily collected
throughout its range for the pet trade (R. Wirth in litt. 1991), so may warrant
inclusion in the next Red Data book.
CONCLUSION
Very little forest remains on Siquijor, and it may be under threat. Four of the
five endemic subspecies are not under immediate threat, but the fifth may be
extinct. Three globally threatened species still breed, but only one can be
considered secure. These rare forest birds are currently vulnerable to
destruction of the last fragments of their habitat - several species are now
extinct at Lilo-an, where the habitat has been degraded, and some species
have been wholly lost from the island. Improved protection is urgently
required, particularly the prevention of further logging, of clearance for
cultivation inside the official reserves, and of trapping.
1993
Conservation status of the forest birds of Siquijor, Phillipines
93
We wish to thank our field companions, Derio Asane, Rob Timmins and Jing-Jing Toledo and the
DENR on Siquijor for their invaluable help.
We are extremely grateful to those who supported us financially: British Airways-Assisting Nature
Conservation; British Ecological Society; Mrs Bowie; A. S. Butler Charitable Trust; Cambridge
Expeditions Fund; Cotton Trust; D. M. Charitable Trust; Douglas HeathEves Charitable Trust; Mr
and Mrs Dutson; Emmanuel College, Cambridge; Evans+Langford; Mr and Mrs T. M. Evans; Russell
and Maryt Foreman 1980 Charitable Trust; Gilchrist Educational Trust; Godinton Charitable Trust;
Hawkins and Manwaring; H. E. Durham Fund; J. Saville Gordon Ltd.; J. Wilson and Sons; Jardine
Davis (Philippines) Inc.; Jeseus College, Cambridge; John West Foods Ltd.; Laing’s Charitable Trust;
Memtek; New York Explorer’s Club Youth Activity Fund; Oriental Bird Club; Rayne Foundation; Rob
Thompson Memorial Fund; Robin Johnson Design Ltd.; Royal Geographical Society (Barclay’s Bank);
Selwyn College, Canbridge; St John’s College, Cambridge; Tate and Lyle; Walkers Shortbread; Wall
Charitable Trust; Wellconstruct Trust; Mrs C. Willets; Mr G. S. Willets; Mr J. D. Willets;
Wolverhampton Anglo-Netherlands Society; and to all the generous Bird Race sponsors, especially the
Carphone Warehouse.
Tim Inskipp kindly helped in the preparation of the Appendix.
REFERENCES
Bourns, F. S. and Worcester, D. C. (1894) Preliminary notes on the birds and mammals collected by
the Menage Scientific Expedition to the Philippine Islands. Occas. Pap. Minn. Acad. Set. 1: 64 pp.
Brooks, T. M., Evans, T. D., Dutson, G. C. L., Timmins, R. J., Asane, D. L. and Toledo, A. G. (in prep.)
The conservation status of the birds of Negros, Philippines.
Collar, N. J. and Andrew, P. (1988) Birds to watch: a check-list of threatened species. Cambridge, U.K.:
International Council for Bird Preservation (Techn. Publ. no. 8).
Dickinson, E. C., Kennedy, R. S. and Parkes, K. C. (1991) The birds of the Philippines. Tring: British
Ornithologists’ Union (Check-list no. 12).
Dickinson, E. C. and Parkes, K. C. (1991) Types, type localities and variation in some races of the
Colasisi or Philippine Hanging Parrot Loriculus philippensis. Bull. Brit. Om. Club 111: 104-109.
Dutson, G. C. L., Evans, T. D., Brooks, T. M., Asane, D. L., Toledo, A. G. and Timmins, R. J. (in press)
The conservation status of the birds of Mindoro, Philippines. Bird Conservation International
McGregor, R. C. (1908) Notes on a collection of birds from Siquijor, Philippine Islands. Phil.J. Sci. 3A:
275-281.
McGregor, R. C. (1909-1910) A manual of Philippine birds. 2 parts. Manila: Bureau of Science.
Rabor, D. S. (1959) The impact of deforestation on the birds of Cebu, Philippines, with new records
for that island. Auk 76: 37-43.
Rabor, D. S., Alcala, A. C. and Gonzales, R. B. (1970) A list of the land vertebrates of Negros Island,
Philippines. SillintanJ. 17: 297-316.
Rand, A. L. and Rabor, D. S. (1960) Birds of the Philippine Islands: Siquijor, Mount Malindang, Bohol
and Samar. Fieldiana (Zool.) 37(7): 223-441.
Steere, J. B. (1 890) A list of the birds and mammals collected by the Steere Expedition to the Philippines, with
localities, and with brief preliminary descriptions of supposed new species. Michigan: Ann Arbor.
Tom D. Evans, 11 Yeoman Lane, Bears ted, Maidstone, Kent ME 14 4BX, U.K.
Perla Magsalay, Asian Wetland Bureau (Philippines), 4th floor, Albulario Building, General Maxilom
Avenue, Cebu City 6000, Republic of the Philippines
Guy C. L. Dutson, Selwyn College, Cambridge, U.K.
Thomas Brooks, Emmanuel College, Cambridge CB2 3AP, U.K.
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T. D. EVANS el al.
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APPENDIX
AN UPDATED LIST OF SIQUIJOR’S BIRDS
1888 1907 1991
1993
Conservation status of the forest birds of Siquijor, Phillipines
95
96
T. D. EVANS et al.
Forktail 8
E = species endemic to the Philippines
* = included as ‘threatened’ in Collar and Andrew (1988)
+ = included as ‘near- threatened’ in Collar and Andrew (1988)
Numbers in the columns for Lilo-an, Canghaling and Bandila-an refer to bird-day totals. A total of 27 observer-hours
were spent surveying Lilo-an, 1 8 observer-hours at Balinga-an and 9 observer-hours at Canghaling.
B = collected by D. C. Worcester and F. S. Bourns in 1891 (mainly from Bourns and Worcester, 1894)
C = collected by A. Celestino in 1907-1908 (McGregor 1908)
D = Dickinson et al. (1991)
Me = McGregor (1909-1910)
R = collected or observed by D. S. Rabor, 1949-1954 (Rand and Rabor 1960)
Ra = Rabor et al. (1970)
S = collected by J. B. Steere in 1888 (Steere 1890).
1 = considered conspecific withC. variolosus by Dickinson et al. (1991)
2 = considered conspecific with T. capensis by Dickinson et al. (1991)
3 = considered conspecific withAf. phasianella by Dickinson et al. (1991)
4 = considered conspecific withP. dominica by Dickinson et al. (1991)
4 = considered conspecific with H. daurica by Dickinson et al. (1991)
0 = considered conspecific with A tiovaeseelatidiae by Dickinson et al. (1991)
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FORKTAIL 8 (1993): 97 - 112
97
Birds recorded during a visit to Bhutan in
autumn 1991
C. INSKIPP AND T. P. INSKIPP
The birds recorded during a visit to Bhutan between 10 October and 10 November 1991 are
documented. Brief details of habitats and approximate altitudes for the records are given. A total of 309
species was recorded, of which 21 were apparently first published records for Bhutan. Small numbers
of 1 3 species of migrating birds of prey were seen during our visit.
In autumn 1991 we were very fortunate to be invited to visit friends working
in Bhutan. We recorded 309 species including 21 for which there are no
previously published records for the country. Our visit, between 10 October
and 1 0 November, was outside the main breeding season and most altitudinal
migrants and summer visitors had descended below 2500 m (please note all
altitudes given are approximate). Above this altitude we recorded few birds,
especially in the coniferous forests and shrubberies. In contrast, the broadleaved
lower temperate and subtropical forests below 2 1 00 m were alive with birds.
The resident species were augmented by altitudinal migrants which had
moved down for the winter, and also summer visitors to higher altitudes
which were returning to their winter quarters.
Most of our birdwatching was in primary forest. Unlike neighbouring
countries, Bhutan’s original forest cover is still substantially intact. As much
as 57% of the country is forested, only 1 6% is cultivated and almost all of the
remaining land is above the tree-line . The government is implementing a very
restrictive forest policy where the highest priority is conservation of soil, the
water regime and climate. A Master Plan for Forestry Development is
currently being finalised (Bhutan N ational Environmental Secretariat Planning
Commission 1992). Because of its relatively unexploited environment
Bhutan holds some of the best remaining representatives of habitat types
found in the Himalayas (Sherpa 1991).
During our stay we were lucky to have two short treks. During our first trek
we walked from the Phobjika valley (3000m) to Wangdiphodrang (1350m)
via Gogona (3120m), Tashila (2850m) and Jenatimbaka (2050m). Until we
reached Tashila the habitat mainly comprised upper temperate coniferous
forest and pastures, with some mixed coniferous/broadleaved forest. Beyond
T ashila we descended through primary broadleaved temperate and subtropical
forest. Four Satyr Tragopans Tragopan satyra roosting near Gogona gompa
were one of the highlights of the trek.
Our second trek was from Drugyel in the Paro valley (2150 m) through
upper temperate forests of coniferous/broadleaved and pure coniferous trees
98
C. INSKIPP and T. P. INSKIPP
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up to subalpine pastures and shrubberies of Berberis, Juniperus and
Rhododendron at Chimding (3200 m). Here we recorded the only
Lammergeiers Gypaetus barbatus we found in Bhutan.
In addition to trekking we were able to travel quite widely by road. Our
route is shown on the map (Figure 1). We travelled east from the capital
Thimphu (2400 m), over the passes of Dochhu La (3050 m), Pele La (3300
m) and Yutong La (3400 m) to the dry cultivated Choeker valley (2600 m)
in Bumthang, central Bhutan. The road runs through primary forest, mainly
temperate coniferous, but with some interesting broadleaved forest, notably
on the eastern slopes of Dochhu La and in the valley near Chuzomsa. In fields
in the Choeker valley we recorded three species which were apparently new
for Bhutan: Northern Lapwing Vanellus vanellus, Red-throated Pipit Anthus
cervinus and American Pipit A. rubescens.
From the Choeker valley we drove to Mongar in eastern Bhutan, first going
over the Thrumsing La (3800 m), and then passing through excellent
subtropical forest about 1 5 km below Namning ( 1 700 m) and in the Shongar
Chhu valley, where we found the threatened Rufous-necked Hornbill Aceros
nipalensis and Rufous-headed Parrotbill Paradoxomis ruficeps, and the near-
threatened Collared Treepie Dendrocitta frontalis and Y ellow- throated Fulvetta
Figure 1. Bhutan, showing locations mentioned in text.
1993
Birds recorded during a visit to Bhutan in autumn 1 99 1
99
Alcippe cinerea. After leaving Mongar, we retraced our steps to Tongsa and
then drove south to Shemgang (1900 m) and Mangdechhu (600 m). Just
north of Shemgang in the Wangdechhu valley and south down to Mangdechhu
the hills are clothed in primary broadleaved lower temperate and subtropical
forest. Here we recorded the near-threatened Yellow-rumped Honeyguide
Indicator xanthonotus feeding on honeycombs of the Giant Honeybee Apis
dorsata, and the Yellow-throated Fulvetta.
Next we returned to Tongsa and travelled west to the Phobjika valley (3000
m) to see the flock of Black-necked Cranes Grus nigricollis which regularly
winter on the upland mire of the valley floor. After leaving Phobjika we
continued west to Punakha (1280 m) and, from here, we walked up the Mo
Chhu valley towards Tashitang (1300 m). Undisturbed, broadleaved
subtropical forest covers the valley within about 6 km of Tashitang. By the
river we saw the globally threatened Pallas’s Sea-Eagle Haliaeetus leucoryphus
and two White-bellied Herons Ardea insignis, the latter believed to be the first
record for Bhutan.
After returning to Thimphu, we drove south to Phuntsholing (150 m)
where we explored the banks of the Torsa river and the forest-covered slopes
above the town up to about 1 000 m. Birdwatching was very rewarding by the
river, where we recorded eight apparently new species for Bhutan: Common
Greenshank Tringa nebularia, Temminck’s Stint Calidris temminckii, White-
rumped Vulture Gyps bengalensis, Little Cormorant Phalacrocorax niger,
Little Egret Egretta garzetta, Great Egret Casmerodius albus , Cattle Egret
Bubulcns ibis and White-browed Wagtail Motacilla maderaspatensis. Although
the easily accessible forest close to the road above Phuntsholing was degraded
and partly cleared for cultivation, it was still rich in bird species, notably the
White-naped Yuhina Yuhina bakeri, a species which has a very restricted
distribution.
During our visit small numbers of thirteen species of migrating birds of
prey were seen: Oriental Honey-buzzard Pemis ptilorhyncus (maximum four
north on 1 5 October over Thimphu valley), Black-eared Kite Milvus lineatus
(mixed with Black Kites Milvus migrans above Phuntsholing on 9 and 10
November), Lammergeier Gypaetus barbatus (maximum two west on 20
October at Chimding), Himalayan Vulture Gyps himalayensis (maximum six
south over Dochhu La on 6 November), Northern Harrier Circus cyaneus
(maximum three west on 20 October at Chimding), Eurasian Sparrowhawk
Accipiter nisus (maximum eight west on 1 9 October at Chimding), Northern
Goshawk Accipiter gentilis (singles moving west on 19 and 20 October at
Chimding), Common Buzzard Buteo buteo (maximum 10 west on 19
October at Chimding), Long-legged Buzzard Buteo rufinus (maximum five
west on 19 October at Chimding), Steppe Eagle Aquila nipalensis (maximum
1 4 south over Dochhu La on 6 November), Common Kestrel Falco tinnunculus
(maximum three west on 19 October at Chimding), Amur Falcon Falco
amurensis (maximum a flock of 1 4 at Chuzomsa on 24 October) and Eurasian
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C. INSKIPP and T. P. INSKIPP
Forktail 8
Hobby Falco subbteo (maximum six north on 1 5 October over the Thimphu
valley). These small numbers are in sharp contrast to the large numbers of
migrating raptors observed in Nepal at a similar time of year. For example,
during a systematic study made at Khare, south of Annapurna, between 20
October and 7 November 1985 nearly 9,000 raptors of 30 species, mainly
Steppe Eagles were recorded (de Roder 1989).
There follows an annotated list of the most interesting species recorded
during our visit. These include records of Rufous-necked Hombill, Black¬
necked Crane, Pallas’s Sea-Eagle and Rufous-headed Parrotbill which are
listed as globally threatened by Collar and Andrew (1988), and also records
of Satyr Tragopan, Yellow-rumped Honeyguide, Lammergeier, Yellow-
throated Fulvetta and Collared Treepie, which are listed by Collar and
Andrew (1988) as globally near-threatened. A complete list of the species
recorded is given in an Appendix.
ANNOTATED LIST OF SELECTED SPECIES
SATYR TRAGOPAN Tragopan satyra Four roosting in a densely vegetated
gulley near Gogona gompa (3 1 20 m) on 1 2 and 1 3 October. Several previous
published records: Ali and Ripley (1983), Clements (1992), Ludlow and
Kinnear (1937), Singh (1985) and Vas (1986).
YELLOW-RUMPED HONEYGUIDE Indicator xanthonotus Singles on 30
October and 1 November at Ishgongchhu Bridge near Buju south of Tongsa
and one on 31 October 4 km below Shemgang (1700 m). Several previous
published records: Clements (1992), Gole (1981), Hussain and Ali (1979),
and Hussain and Ali (1984).
RUFOUS-NECKED HORNBILL Aceros nipalensis Three on 26 October
and 3 on 27 October 15 km below Namning (1700m). Three previous
published records: Ali and Ripley (1983), Clements (1992), Ripley (1982).
BLACK-NECKED CRANE Grus nigricollis'We recorded 98 on 2 November
and a flock of 90 including 10 immatures on 3 November in the Phobjika
valley (3000 m). Many previous published records including Ali and Ripley
(1983), Bishop (1989 and 1990), Clements (1992), Gaston (1989), Gole
(1981, 1988, 1989), Khacher (1981), RSPN and Singye Karm (1991) and
Chacko (1991).
COMMON SNIPE Gallinago gallinago One on 26 October in the Choeker
valley near Jakar (2600 m). Previously recorded for Bhutan only by van der
Ven (1988).
COMMON GREENSHANK Tringa nebularia Three on 9 November by the
Torsa river at Phuntsholing (150 m). Apparently the first published record
for Bhutan.
1993
Birds recorded during a visit to Bhutan in autumn 1 99 1
101
TEMMINCK’S STINT Calidris temminckii One on 9 November by the
Torsa river at Phuntsholing (150 m). Apparently the first published record
for Bhutan.
NORTHERN LAPWING Vanellus vanellus Two on 29 October in the
Choeker valley near Jakar (2600 m) . Apparently the first published record for
Bhutan.
ORIENTAL HONEY-BUZZARD Pemis ptilorhyncus Four north on 1 5
October at Thimphu, one on 25 October between Chuzomsa and Bumthang,
and one south on 6 November at Dochhu La. Previously only recorded for
Bhutan by Clements (1992).
BLACK- EARED KITE Milvus lineatus One north on 1 5 October, one west
on 19 October and one west on 20 October at Chimding. Also recorded in
mixed flocks with Black Kite Milvus migrans above Phuntsholing on 9
November and 1 0 November. Previously recorded definitely, only by Ripley
(1973).
PALLAS’S SEA- EAGLE Haliaeetus leucoryphus One seen on 3 November
hunting along the Mo Chhu river near Punakha ( 1 280 m) . The only previous
published record is Ludlow and Kinnear (1937); also seen by Barber (1990-
1991)
LAMMERGEIER Gypaetus barbatus One west on 1 9 October and two west
on 20 October at Chimding. The previous published records are Ali and
Ripley (1983), Blower (1989), and Ludlow and Kinnear (1937).
WHITE-RUMPED VULTURE Gyps bengalensis Three immatures on 9
November at Phuntsholing (150 m). Apparently the first published record
for Bhutan.
SHIKRA Accipiter badius One on 9 November above Phuntsholing (500 m) .
Apparently the first published record for Bhutan.
NORTHERN GOSHAWK Accipiter gentilis One west on 19 October and
one west on 20 October at Chimding; one on 2 November over the Pele La.
Apparently the first published records for Bhutan.
LONG-LEGGED BUZZARD Buteo rufinus Two on 1 8 October at Drugyel
in the Paro valley (2200 m); five west on 19 October and 1 west on 20 October
at Chimding; two on 21 October in the Paro valley; one on 23 October and
two on 5 November at Thimphu; four on 29 October in the Choeker valley;
one on 31 October high over Mangdechhu; two on 1 November between
Shemgang and Tongsa; one on 6 November over Dochhu La. Previously
only definitely recorded by Clements (1992), although Baker (1922-1930)
mentions its occurrence in the country.
STEPPE EAGLE Aquila nipalensis Seven south on 5 November and 1 4 south
over Dochhu La on 6 November; three on 8 November at Phuntsholing.
Apparently the first published records for Bhutan, although possibly recorded
by Vas (1986).
102
C. INSKIPP and T. P. INSKIPP
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BONELLI’S EAGLE Hieraaetus fasciatus One on 31 October east of
Shemgang. Apparently the first published record for Bhutan.
RUFOUS-BELLIED EAGLE Hieraaetus kienerii Three immatures on 27
October in the Shongar Chhu valley. Apparently the first published record
for Bhutan, although seen by Jepson (1988) and Mills (1989).
AMUR FALCON Falco amurensis A flock of 14 on 24 October over
Chuzomsa and one on 29 October at Tongsa (2 1 00 m). Apparently the first
published record for Bhutan, although previously recorded by Jepson
(1988).
LITTLE CORMORANT Phalacrocorax niger Two on 9 November by the
T orsa river, Phuntsholing (150m). Apparently the first published record for
Bhutan.
LITTLE EGRET Egretta garzetta 15 on 9 November at Phuntsholing (150
m). Apparently the first published record for Bhutan.
WHITE-BELLIED HERON Ardea insignis. Two on 4 November resting on
a shingle bank in the Mo Chhu river between Punakha and T ashitang (1300
m). Apparently the first published record for Bhutan.
GREAT EGRET Casmerodius albus One on 9 November at Phuntsholing
(150 m). Previously only recorded by Gole in Scott (1989).
CATTLE EGRET Bubulcus ibis Recorded at Phuntsholing on 8, 9 and 1 0
November at Phuntsholing (150 m); maximum 100+ on 9 November.
Apparently the first published records for Bhutan.
INDIAN POND-HERON Ardeola grayii Recorded on 8, 9 and 1 0 November
at Phuntsholing (1 50 m); maximum 1 5 on 9 November. Previously recorded
only by Clements (1992).
GOLDEN-FRONTED LEAFBIRD Chloropsis aurifrons Three on 9
November near Phuntsholing. Previously recorded only by Clements (1992),
although also seen by D. G. H. Mills (Clements (1992).
COLLARED TREEPIE Dendrocitta frontalis Ten on 26 October 15 km
below Namning (1700 m) and 20 on 27 October in the Shonga Chhu valley
and 15k m below Namning (620- 1700m). Previously listed for Bhutan by
Ripley (1982), and seen by Jepson (1988).
CROW-BILLED DRONGO Dicrurus annectans One on 1 November in the
Wangdi Chhu valley. Previously mentioned for Bhutan only by Ali and
Ripley (1983).
ASIAN BROWN FLYCATCHER Muscicapa dauurica One on 31 October
between Shemgang and Mangdechhu. Previously mentioned for Bhutan
only by Ali and Ripley (1983).
PIED BUSHCHAT Saxicola caprata One on 3 November at Punakha ( 1 280
m). Apparently the first published record for Bhutan.
1993
Birds recorded during a visit to Bhutan in autumn 1991
103
THICK-BILLED WARBLER Acrocephalus aedon Two on 8 November and
one on 1 0 November at Phuntsholing (150m). Apparently the first published
record for Bhutan.
YELLOW-THROATED FULVETTA Alcippe cinerea Ten on 26 October
15 km below Namning (1700 m) and 10 on 30 October just north of
Shemgang (1600 m). Previously mentioned for Bhutan by Abdulali (1969-
1991), Ali and Ripley (1983) and Ludlow and Kinnear (1944).
WHITE-NAPED YUHINA Yuhina taken Six on 9 November above
Phuntsholing (1000 m). Previously listed for Bhutan by Abdulali (1969-
1991) and Ali and Ripley (1983) and recorded by Clements (1992).
RUFOUS-HEADED PARROTBILL Paradoxomis ntficeps Two on 26
October and four on 27 October 15 km below Namning (1700 m). The
species was described from Bhutan by Blyth (1842). Previous published
records are given in Abdulali (1969-1991), Ali and Ripley (1983), Ludlow
and Kinnear (1944); also recorded by Barber (1990-1991).
GREATER SHORT-TOED LARK Calandrella brachydactyla One on 23
October on Thimphu golf course (2400 m). Apparently the first published
record for Bhutan.
WHITE-BROWED WAGTAIL Motacilla maderaspatensis Four on 9
November on the Torsa river, Phuntsholing (150 m). Apparently the first
published record for Bhutan.
YELLOW-HOODED WAGTAIL Motacilla citreola One on 9 November at
Phuntsholing (150 m). Previously only recorded for Bhutan by Clements
(1992).
RED-THROATED PIPIT Anthus cervinus One on 26 October in the
Choeker valley (2600 m). Apparently the first published record for Bhutan.
AMERICAN PIPIT Anthus nibescens Two on 26 October in the Choeker
valley (2600 m). Apparently the first published record for Bhutan.
We would like to warmly thank Ian Barber who generously invited us to visit him in Bhutan. We are also
grateful to the many Bhutanese we met who helped to make our trip so enjoyable.
Carol Ins kipp and Tim Inskipp, 1 Hemeside, March Road, Welney, Wisbech, Canibs. PE 14 9SB, U.K.
REFERENCES
Abdulali, H. (1969-1991) A catalogue of the birds in the collection of Bombay Natural History Society.
J. Bombay Nat. Hist. Soc. 66-85.
Ali, S. and Ripley, S.D. (1983) Handbook of the birds of India and Pakistan. Compact edition. Delhi:
Oxford University Press
Barber, I. (1990-1991) Unpublished notes.
Bishop, M.-A. ( 1 989) Results of the first annual Black-necked Crane winter count in Bhutan, China and
Vietnam. Unpublished.
Bishop, M.-A. ( 1 990) Results of the second annual Black-necked Crane winter count in Bhutan, China
and India. Unpublished.
104
C. INSKIPP and T. P. INSKIPP
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Blower, J.H. (1989) Nature conservation in northern and central Bhutan. FO/BHU/85/016. Field Doc.
Rome: FAO.
Chacko, R.T. ( 1 99 1 ) Blacknecked Cranes in Bhutan, winter study, February-March 1991. Unpublished.
Clements, F.A. (1992) Recent records of birds from Bhutan. Forktail 7: .
Gaston, A.J. (1989) Black-necked Cranes and other birds in Bhutan in winter. Bull. Oriental Bird Club
10: 9-12.
Gole, P. (1981) Status survey of the Blacknecked Crane wintering in Bhutan. Unpublished.
Gole, P. (1988) Black-necked Cranes of Bhutan. Newsletter Crane Working Group Indian Subcontinent
2(1): 2.
Gole, P. (1989) Cranes of the cloud kingdom: exploring an ideal man and bird relationship. Pune: Ecological
Society.
Hussain, S.A. and Ali, S. (1979) Beehive predation by wasps (genus Vespa ) and its possible benefit to
honeyguides (Indicatoridae) in Bhutan. J. Bombay Nat. Hist. Soc. 76: 159.
Hussain, S.A. and Ali, S. (1984) Some notes on the ecology and status of the Orangerumped
Honeyguide Indicator xanthonolus in the Himalayas. J. Bombay Nat. Hist. Soc. 80: 564-574.
Jepson, P. (1988) Naturetrek. Bhutan bird list. 17th October to 1st November 1988. Unpublished.
Khacher, L. (1981) Conservation needs of Black-necked Cranes of Bhutan, Arunachal Pradesh, and
Ladakh. Pp. 204-21 1 in J.C. Lewis and H. Masatomi, eds., Crane research around the world.
Ludlow, F. and Kinnear, N.B. (1937) The birds of Bhutan and adjacent territories of Sikkim and Tibet.
Ibis (14)1: 1-46, 249-293, 467-504.
Ludlow, F. and Kinnear, N.B. (1944) The birds of South-eastern Tibet. Ibis 86: 43-86, 176-208, 348-
389.
Mills, D.G.H. (1989) Bhutan’s Bumthang valley - April/May 1989: a list of birds and mammals
recorded. Naturetrek. Unpublished.
National Environmental Secretariat Planning Commission (1992) Bhutan Towards sustainable development
in a unique environment. Thimpu, Bhutan.
Ripley, S.D. (1973) Some 600 species of birds abound in small Bhutan. Smithsonian 4(9): 80-87.
Ripley, S.D. (1982) Synopsis of the birds of India and Pakistan. Bombay.
RSPN and Singye Karm (1991) Crane report: winter (1990). Singye Karm 1(2): 5.
Scott, D.A. (1989) A directory of Asian wetlands.
Sherpa, M. N. (1991) Conservation of biological diversity for sustainable development: a symbiotic or
antagonistic relationship? Pp 53-6 1 in Bhutan and its natural resources. Delhi: Vikas Publishing House.
Singh, N. (1985) Bhutan: a kingdom in the Himalayas. 3rd ed.
Vas, E.A. (1986) The dragon kingdom: journeys through Bhutan. New Delhi: Lancer International.
van der Yen, J. (1988) Asian waterfowl 1988. IWRB.
1993
Birds recorded during a visit to Bhutan in autumn 1991
105
APPENDIX
COMPLETE LIST OF BIRD SPECIES RECORDED IN
BHUTAN BETWEEN 10 OCTOBER AND 10 NOVEMBER 1991
The first column of digits refers to locations, which appear as named locations in the accompanying map of Bhutan (Figure
1). The passes include forested slopes on either side and may therefore represent considerable altitudinal spread. The next
column of capital letters refers to broad habitat types and the final column gives approximate altitudes. Altitudes are not
given for migrating birds.
Locations:
1 Thimphu valley (2400m)
2 Gangtey trek Phobjika valley (3000m) -Gogona (3120m) -Tashila (2850m) -Jenatimbaka (2050m) -Wangdiphodrang
(1350m).
3 Paro valley (2150m) including Taksang (2950m)
4 Trek Drugyel (2150m) - Chimding (3200m)
5 Slopes below Dochhu La (3050m)
6 Chuzomsa (1400m)
7 Thrumsing La (3800m)
8 Choeker valley (2600m)
9 Ura valley
10 Sengor (3000m)
11 Forest 15km below Namning (1700m)
12 Shongar Chhu valley 620m, 750m
13 Tongsa (2100m) - Wangdi Chhu valley (600m) - Shemgang (1900m)
14 Shemgang (1900m)
15 Shemgang (1900m) - Mangdechhu (600m)
16 Tongsa (2100m)
17 Slopes below Yotung La (3400m)
18 Phobjika valley (3000m)
19 Punakha valley (1280m - 1380m)
20 Slopes below Pele La (3300m)
21 Taktchhu
22 Gedu
23 Phuntsholing area and Torsa river (150m - 1000m).
u Ubiquitous at favourable altitudes
Habitats:
A Subtropical broadleaved evergreen
B Lower temperate broadleaved evergreen
C Upper temperate broadleaved evergreen
D Upper temperate coniferous and coniferous/broadleaved evergreen
E Subalpine forest and shrubberies
F Farmland in subtropical areas
H Farmland and pastures in temperate areas
I Rivers
J Upland mire
106
C. INSKIPP and T. P. INSKIPP
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1993
Birds recorded during a visit to Bhutan in autumn 1991
107
108
C. INSKIPP and T. P. fNSKIPP
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1993
Birds recorded during a visit to Bhutan in autumn 1 99 1
109
110
C. INSKIPP and T. P. INSK1PP
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1993
Birds recorded during a visit to Bhutan in autumn 1991
111
112
C. INSKIPP and T. P. INSKIPP
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Locality Habitat Altitude (m)
1993
FORKTAIL8 (1993): 113 - 118
113
The importance of Japanese wetlands as
wintering grounds for the endangered
Saunders’s Gull Lams saundersi
MARK A. BRAZIL and NIAL MOORES
The wintering range of the Saunders’s Gull Larus saundersi (one of the world’s rarest gulls) is presumed
to extend from the Korean peninsula in the north to the major wetlands of northern Viet Nam in the
south. Recent observations, however, suggest that the wedands of Kyushu, Japan, may well hold up to
25% of the world’s population of this species, making the tidal mud-flats, estuaries and river mouths of
this region, particularly around the inland sea-like Ariake-kai of west Kyushu, and Hakata Bay of north
Kyushu, internationally important for the long term survival of the species. A full, site-by-site winter
survey is deemed necessary to further clarify the value of these sites, and the protection of these wetlands,
by designating them under the Ramsar Convention, is urged.
The status and distribution of Saunders’s Gull has, for more than a century
since its initial description (Swinhoe 1871), been a mystery. It was once
considered only to breed inland in China (where it was thought to be the
commonest small gull) on northern lakes east to Inner Mongolia, and to be
a migrant through coastal north-east China to its supposed wintering
grounds along the eastern and southern coasts of China (Wild Birds Society
of Japan 1982, Meyer de Schauensee 1984, Collar and Andrew 1988, Brazil
1992c). Even as recently as 1988 it was still believed to breed inland, at
Hulun Nur, in Heilongjiang province (Shi etal. 1988), but D. S. Melville and
G. J. Carey (in litt. 1992) have shown that the birds occupying this site are
Relict Gulls L. relictus, and that the site is unsuitable for Saunders’s Gulls.
Investigations and discoveries during the late 1980s and early 1990s have,
however, shown it to be an endemic breeding species of the coastal provinces
of eastern China.
Saunders’s Gull is dependent on the unique and increasingly rare habitat
provided by the great rivers of eastern China, where they deposit silt at their
mouths or along adjacent coasts. Dependent upon such salt marshes and
tidal mud-flats, both for breeding and for its specialised diet, which mainly
comprises crabs, but also includes small fish and mudworms (Brazil and
Melville 1991, Brazil 1 992c), its current breeding range includes only coastal
salt marshes north of the Chang Jiang (Yangtze) in Jiangsu, Shandong, Hebei
and Liaoning provinces. It is currently known to breed only at six coastal/
estuarine sites: the YanchengNature Reserve in Jiangsu, at Diaokou, and the
Wang River, in Shandong, the Luan River in Hebei, and beside the Daling
River, and the Shuangtaizi River (on the Shuangtaizi Hekou National Nature
Reserve) in Liaoning (Shi et al. 1 988, Anon. 1 989, Brazil 1 992b, Wong and
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M. A. BRAZIL and N. MOORES
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Figure 1 . The range of Saunders's Gull Lams saundersi showing the four known breeding sites and the
extent of the wintering range. [Inset detail of southwest Japan].
1993
The importance of Japanese wetlands for wintering Saunders's Gulls
115
Yu 1992) (Figure 1). No doubt once a far more widely ranging breeding
species, the vast majority of suitable breeding habitat in China has already
been reclaimed, and the few remaining breeding sites are similarly threatened
by coastal degradation, reclamation, development, and pollution (Melville
1987).
As with the breeding range, details of the migration routes and wintering
range of Saunders’s Gull have remained little known until recently. It was
known as a vagrant to eastern Russia (Flint et al. 1984) and, with only ten
records, was considered to be a vagrant to Japan (Ornithological Society of
Japan 1974). It was believed to winter along the south coast of China, from
south of the Chang Jiang to Hainan (Meyer de Schauensee 1984). During
the early 1980s interest in the species in Japan (M.A.B.) and in Hong Kong
(D. S. Melville) stimulated a greater awareness of the rarity of the species, and
the need for information, not only concerning its breeding range, but also its
wintering range. The first record in Hong Kong was in 1 965 but in the mid
1980s it was found to be a significant wintering site, with 50-100 birds
annually (Melville in litt. 1992). In Taiwan river mouths were found to
attract up to 20 birds, and a particularly significant record was of over 200
birds in March 1988 at the mouth of the Hong river in northern Viet Nam
(Scott 1988). But that was the limit of our knowledge of its status in winter,
and since 1988 little further information has come to light from its continental
coastal range. In Japan, however, the situation has changed considerably.
By the mid 1 980s investigations in Japan had shown that it was not merely
a vagrant, but a locally uncommon annual winter visitor from November to
March, found particularly in Kyushu and Okinawa (Brazil 1991b). In
February 1990 a flock of 34 at Yatsushiro was the largest flock recorded in
Japan, suggesting that there were fewer birds in Japan than in Hong Kong,
but the mud-flats and river mouths of the inland sea-like Ariake-kai were
already noted as especially significant (Brazil 1991b). Since that time it has
become evident that, although Saunders’s Gull winters in small numbers at
various localities from Okinawa in the south to Shikoku and Honshu in the
north, by far the greatest concentrations occur in northern and western
Kyushu: in Hakata Bay, facing the Tsushima channel; at Sone tidal flats,
Kita-Kyushu; in the Ariake-kai, particularly at Isahaya Bay; at river mouths
immediately west of Kumamoto; and at Yatsushiro on the Y atsushiro-kai. At
these, and possibly at other as yet unstudied sites in the region, Saunders’s
Gulls are locally common, even (at Isahaya and Sone) sometimes
outnumbering other gull species (N.M. pers. obs.).
Records of Saunders’s Gull in Kyushu have increased dramatically in
recent years, especially in the north: in the winter of 1984/1985 only eight
were reported, but by 1987/1988 this had risen to 92, and in 1991/1992 up
to 500 were estimated. Unfortunately, no data prior to 1980 are available,
and it is clear that, even after this year, the data are sketchy. The increase in
116
M. A. BRAZIL and N. MOORES
Forktail 8
numbers recorded is, however, highly significant for a species for which
recent population estimates suggest that it is one of the world’s rarest gulls,
with as few as 2,000 surviving (Collar and Andrew 1988, Brazil 1992b and
1992c). This increase could be the result of birdwatchers in Japan taking
more interest in gulls and developing the skills necessary to separate
Saunders’s Gull from similar species at long range. Another factor which is
likely to be important is the rapid degradation, and reclamation and
development of coastal wetlands along the Chinese and Korean coasts,
which is likely to have displaced wintering birds. It seems likely that both
these factors have contributed to the increased numbers recorded in Japan
while, conversely, it is unlikely, given the loss of suitable nesting habitat and
the impact of some catastrophic breeding seasons in China, that they could
be resulting from any real increase in the population. The population is in
fact presumed to be declining, and is currently faced with extinction as its six
last known breeding sites are seriously threatened.
In 1 988, flocks of 8, 14 and 27 in Okinawa and Kyushu were in the context
of past published records (e.g. Ornithological Society of Japan 1974),
considered exceptional (Brazil 1991b). Now, however, it is clear that
considerably more birds winter in Japan than was hitherto known. Saunders’s
Gull start arriving in Kyushu in mid-November and numbers continue to
build up during December. Numbers peak in Hakata Bay during November
and fluctuate then through the winter until March, perhaps with local
movements taking place between wetland sites in Kyushu (N.M. pers. obs.).
Numbers decline rapidly during March, with almost all departing by 25
March, although exceptional records have included two adults present in
mid-April 1992 and one first summer bird on 7 June 1992 (in Hakata Bay).
The only previous record of a bird lingering to summer in Japan was of one
on 13 June 1979 at Sagami-gawa, Kanagawa Prefecture (Hamaguchi et al.
1984).
Peak counts for sites in Kyushu since 1 990 have greatly exceeded previous
numbers (Brazil 1991a) and have included 40+ at Kumamoto during
December 1990 (N.M.), 51 in Hakata Bay during November 1991 (H.
Okabe verbally), 149 at Sone on 22 January 1991, and 165 there on 9
February 1992 (A. Yamamoto verbally), 100+ at Isahaya on 12 February
1992 (M.A.B.) andc. 180 there on 8 March 1992 (N.M. andD. S. Melville),
34 at Yatsushiro on 10 February and 47 on 6 March 1992 (M.A.B.). Two
high counts made on the same day (8 March 1992), when c. 180 were at
Isahaya (N.M. and D. S. Melville), and 156 were at Sone (A. Yamamoto in
litt. 1992), provide a minimum figure of 336 at just two sites and, given that
other sites taken all together are unlikely to have held fewer than 100-150
birds at the same time, suggests a minimum figure of 500 birds for Kyushu
alone. Elsewhere in western Japan there is also some evidence of increased
dependence on local wetlands, as at Kamogawa, Ehine Prefecture, Shikoku,
1993
The importance of Japanese wetlands for wintering Saunders's Gulls
117
where a maximum of 14 was seen on 19 January 1992, compared with 2-4
birds annually during the late 1980s (Ozaki in litt. 1992).
It seems likely that some of the birds recorded in Hakata Bay move on south
to the Ariake-kai and may visit Isahaya on the west side of the bay, Kumamoto
in the east or even the Y atsushiro-kai to the south-east. Cursory visits during
recent winters to the northern coastline of the Shimabara peninsula, jutting
into the west Ariake-kai, and to the river mouths and mudflats south of Saga,
along the northern shore of the Ariake-kai, indicate that there are also other
areas which may hold flocks of this species which are not yet being counted
regularly. Unfortunately, suitable habitat for the species is both highly
localised, and also threatened by development in Japan too, making surveys
particularly urgent. Counts and estimates already available suggest that
Kyushu may hold 500 or more Saunders’s Gulls during winter and, therefore,
it is the most significant known wintering area for this species, making the
wetlands there of great international importance.
Kyushu represents the northernmost wintering area for large numbers of
Saunders’s Gulls, and the birds wintering there are presumed to migrate
down the Yellow Sea from the northern breeding sites in Liaoning and Hebei
provinces, and possibly from Shandong via Korea. Smaller numbers also
appear to be wintering in South Korea too, with 1 8 at the Nakdong delta on
11-12 February 1992 (N. M. pers. obs.). There is no direct evidence for this
migration route, although birds have been observed in South Korea during
April and May (Long et al. 1988), and a bird colour-ringed as a nestling on
theS.N.N.R. in Liaoning province in 1991 (Brazil 1992) was photographed
by Shigeki Sogame at Kamogawa, Shikoku, Japan on 27 January 1992 (K.
Ozaki in litt. 1992). Birds passing Beidaihe in April and May, and from late
September to early November (Williams et al. 1992) are indicative of a
separate migration route along the western shores of the Bohai Gulf and the
Yellow Sea.
Observations have shown that, while Saunders’s Gulls will roost at high
tide on water, as at Yatsushiro, they prefer sites where totally inundated
mudflats are backed by drier saltmarsh, or where low-lying islands offer dry
high-tide roosting sites. Thus sites that are reclaimed to the mean high water
level become sub-optimal habitat for them, even if suitable foraging habitat
remains at lower tide levels.
Given the current state of our knowledge concerning this globally threatened
species, which suggests that at least 25% of the world population may winter
in Kyushu, it is important to discover other regions or sites where Saunders’s
Gulls winter, and to clarify the extent of use of those sites already known. It
is essential that a co-ordinated count of all its wintering sites in Japan is
organised, to establish how many birds are currently dependent on the
coastal wetlands. In addition, the species should be afforded special protection
status in Japan, and its most significant wintering sites, including Hakata and
118
M. A. BRAZIL and N. MOORES
Forktail 8
Isahaya bays (which also provide habitat for other internationally rare and
threatened species such as Black-faced Spoonbill Platalea minor and Chinese
Egret Egretta eulophotes), should be urgently targeted for designation as
wetlands of international importance under the Ramsar Convention. None
of the wetlands in Kyushu currently receives such protection, thereby leaving
all the birds wintering there at risk.
We are grateful to David Melville, of WWF Hong Kong, for promoting interest and research into the
biology and conservation of Saunders’s Gull in Hong Kong and China, and for encouraging our interest
in Japan. We would also like to thank members of the Wild Bird Society’s Kyushu branches, particularly
H. Okabe and A. Yamamoto, for providing count information from Kyushu.
REFERENCES
Anon. ( 1 989) (A breeding colony of Saunders ’s Gulls is discovered for the first time in Panjin area, Liaoning
province.) Shenyang: Liaoning Forestry Technology No. 4. (In Chinese.)
Brazil, M. A. (1991) The birds of Japan. London: Christopher Helm.
Brazil, M. A. (1992a) Saunders’s Gulls colour-banded in China during 1991. Yacho 543: 31.
Brazil, M. A. (1992b) The birds of Shuangtaizihekou National Nature Reserve, Liaoning province,
China. Forktaill: 91-124.
Brazil, M. A. (1992c) The threatened Saunders’s Gull of east Asia. Birding World 5: 72-74.
Brazil, M. A. and Melville, D. S. (1991) An immediate short-term management strategy for Saunders’
Gull Larus saundersi. Hong Kong: WWF.
Collar, N. J. and Andrew, P. (1988) Birds to watch. The ICBP world check-list of threatened birds.
Cambridge: International Council for Bird Preservation (Techn. Publ. No. 8).
Flint, V. E. , Boehme, R. L., Kostin, Y. V. and Kuznetsov, A. A. (1984) A field guide to the birds of the
U.S.S.R. Princeton: Princeton University Press.
Hamaguchi, T., Suzuki, T., Nakamura, K. and Yada, T. (1984) A decade bird survey in the mouth of
the Sagami River (April 1974-March 1984). 1. The species and numbers of water and shore birds.
Strix 3: 1-18. (In Japanese.)
Long, A. J., Poole, C. M., Eldridge, M. I., Won, P. O. and Lee, K. S. (1988) A survey of coastal wetlands
and shorebirds in South Korea, spring 1988. Kuala Lumpur: Asian Wedands Bureau.
Melville, D. S. (1987) Saunders’s Gull Larus saundersi. Paper presented at the International Crane
Workshop, Qiqihar, P.R.C., May 1987.
Meyer de Schauensee, R. (1984) The birds of China. Washington, D.C.: Smithsonian.
Ornithological Society of Japan (1974) Checklist of Japanese birds. Fifth edition. Tokyo: Gakken.
Scott, D. A. (1988) Bird observations in Vietnam: 7-21 March 1988. Appendix XII of?. Unpublished.
Shi Z. R., Thouless, C. R. and Melville, D. S. (1988) Discovery of the breeding grounds of Saunders’s
Gull Larus saundersi. Ibis 130: 445-446.
Swinhoe, R. (1871) On a new Chinese gull. Proc. Zool. Soc. London 1871: 273-275.
Wild Bird Society of Japan (1982) A field guide to the birds of Japan. Tokyo: Kodansha International.
Williams, M. D., Carey, G. J., Duff, D. G. and Xu Weishu ( 1 992) Autumn bird migration at Beidaihe,
China, 1986-1990. Forktaill: 3-55.
Wong, F. K. and Yu, L. (1992) Field survey of selected areas along the coast of the Bohai Sea, People’s Republic
of China. Hong Kong: WWF.
Mark A. Brazil, The Japan Times, 5-4 Shibaura 4-chome, Minato-ku, Tokyo 108, Japan.
Nial Moores, Mitoma Kopo 102, Mitoma 1186-6, Higashi-ku, Fukuoka 81 1-02, Kyushu, Japan.
1993
FORKTAIL 8 (1993): 119 - 124
119
Two new species of birds for the
Philippines and other notable records
NIGEL REDMAN
The records presented involve 14 species, including Pied Avocet Recurvirostra avosetta and Black-tailed
Gull Lams crassirostris, which have not previously been recorded in the Philippines. Several other species
are documented for the first time on individual islands.
The publication of The birds of the Philippines (Dickinson et al. 1991) in the
British Ornithologists’ Union check-list series was an important landmark in
Philippine ornithology, drawing together all past records into a definitive and
up-to-date checklist. Using this as a baseline, new distributional records can
easily be identified. During the course of two visits to the Philippines, in
March 1990 and February/March 1991, a number of species was recorded
at apparently new localities within the Philippines, although some of the
‘new’ distributional data not included in Dickinson et al. (1991) have
recently been published elsewhere. The observations detailed in this paper
seek to update the status of Philippine birds as defined by the new checklist.
GREY HERON A rdeacinerea Luzon: Five at Candaba Swamp on 5 March
1990; one at Pagbilao fishponds on 21 March 1990, two there on 23 March
1990 and 13 on 14 March 1991.
The Grey Heron is an uncommon, but regular winter visitor, with sight
records for Luzon from 3 September to 1 8 February (Dickinson et al. 1991).
The above records extend the latest date to 23 March. The Asian Waterfowl
Census recorded a total of 59 in January 1990 (Perennou et al. 1990).
CHINESE EGRET Egretta eulophotes Palawan: A total of 1 64 was counted
at a high tide roost on 20 March 1 990 in mangroves at Puerto Aventura, near
Puerto Princesa. A minimum of 149 was recorded at high tide at the same
place on 8 March 1991, but the roosting birds were more dispersed in the
mangroves than in 1990. At low tide the Chinese Egrets were widely
dispersed all along the coast in the Puerto Princesa area. In 1 99 1 the Chinese
Egrets were scrutinised for the presence of colour rings. During July 1990
82 fledgling Chinese Egrets were ringed on Shin Islet, South Korea by the
Asian Wetland Bureau and Kyung Hee University. The colony on Shin Islet
may comprise as much as 50% of the current known world population (Long
et al. 1988), although it is suspected that the bulk of the world’s breeding
population is in North Korea (C. Poole in litt.). Many of the Chinese Egrets
on Palawan in 1991 were not seen well enough to ascertain whether they
carried colour rings, but it was interesting to note that not a single ringed bird
120
N. REDMAN
Forktail 8
was identified. This suggests that the Chinese Egrets wintering on Palawan
come from one of the other breeding colonies, perhaps in North Korea.
The Chinese Egret is one of the rarest herons in the world, breeding at just
a handful of colonies in eastern China and Korea. Its winter quarters are still
poorly known, but it is believed that the main wintering grounds may be
south and central Philippines and northern Borneo, with smaller numbers in
Peninsular Malaysia, Sumatra and (formerly) Singapore (Lansdown 1990,
C. Poole in litt.). duPont (1971) considered it to be a rare winter visitor to
the Philippines and it was only in the early 1980s that Chinese Egrets began
to be seen regularly there (Gast and King 1985). Although now reported
from a number of islands in the Philippines, the largest numbers have been
recorded on Palawan and Cebu (Olango Island), mainly in March and April.
The previous maximum count on Palawan was 108 in March 1986 (D. Yong
in Long et al. 1988) and the count of 164 in March 1990 is probably the
highest number ever recorded there. It would be interesting to discover if
these large numbers are present throughout the winter or whether they
simply represent passage birds. It is possible that Chinese Egrets disperse
more widely in winter and only gather in large concentrations on passage.
Large flocks have also been seen on Taiwan in spring (C. Poole in litt.).
ASIAN DO'WTTCHERLimnodromussemipalmatus Cebu: About 20 athigh
tide on Olango Island, off Cebu, on 4 March 1991.
Dickinson et al. (1991) consider this species to be a rare passage migrant,
known only from a few records from Luzon, Simunul, Cebu and Olango. In
fact, the species has recently been recorded regularly in winter on Olango
Island: a 1987 survey recorded 48 individuals on 4 November (Magsalay et
al. 1989) and the Asian Waterfowl Census counted 19 in January 1990
(Perennou et al. 1990).
RED KNOT Calidris canutus Cebu: At least 2 on Olango Island on 4 March
1991.
Dickinson et al. (1991) list only a handful of records of this rare passage
migrant and winter visitor, from Luzon (November-January), Mindoro
(July) and Mactan (August). The species is now known to be a regular visitor
to Olango Island, and a survey in 1987 recorded 72 birds on 4 November
(Magsalay et al. 1989).
GREAT KNOT Calidris tenuirostris Cebu: About 100 at high tide on
Olango Island on 4 March 1991.
Dickinson et al. (1991) list a number of islands, including Cebu, with
records in almost every month between August and May. They suspect a
substantial autumn passage or winter population in the Sulu Archipelago,
but it is now known that a large number winter on Olango Island. Magsalay
et al. (1989) recorded 500 in November 1987, and the Asian Waterfowl
Census recorded 577 throughout the Philippines, but with the majority on
Olango Island, in January 1990 (Perennou et al. 1990).
1993
Two new species of birds for the Philippines and other notable records
121
BROAD-BILLED SANDPIPER Limicola falcinellus Mindanao: two on
Times Beach, near Davao, on 14 March 1990.
An uncommon passage migrant and winter visitor, recorded between 1 3
September and 6 February on several of the main islands, but not on
Mindanao (Dickinson et al. 1991). This is apparently the first record for
Mindanao and the latest winter record.
PIED AVOCET Recurvirostra avosetta Palawan: One at Iwahig fishponds
near Puerto Princesa on 8 March 1991. This unmistakable species was first
noticed by I. M. Lewis on one of the muddy fishponds at Iwahig and the
identification was immediately confirmed by all the observers present. The
brownish tone to the black parts of the plumage indicate a first-year bird. The
nearest regular wintering area for the species is in south-east China, but
recently good numbers have been recorded in winter in Hong Kong and
T aiwan (Perennou et al. 1990). It is, however, only a very rare visitor to Japan
(Brazil 1991) and South-East Asia. There is only one old record from Viet
Nam (Delacour and Jabouille 1931) and two recent records from Thailand
(Gretton 1990). This is the first record of Pied Avocet for the Philippines,
and it may well be the most southerly South-East Asian record of the species.
BLACK-TAILED GULL Lams crassirostris Cebu: One first-summer bird
on Olango Island on 4 March 1991.
A bird subsequently identified as this species was seen at Davao on
Mindanao in 1990 (J. de Roever verbally) but details have not been
published. The bird on Olango Island was observed at close range for half
an hour amongst a flock of roosting Common Black-headed Gulls L.
ridibundus. Its plumage was close to first-summer, although some traces of
first-winter plumage remained. We subsequently discovered that this
individual had been present on Olango Island for several days, having been
found by Thorkild Michaelsen on 1 March.
The Black-tailed Gull breeds in coastal areas of eastern Siberia, Korea,
Japan and China, dispersing north and south in winter. Small numbers
regularly reach Hong Kong in winter (Chalmers 1986) and it is an uncommon
winter visitor to T aiwan, more frequent in the north (Chang 1980). Although
this species is only a short-distance migrant, vagrants have reached Thailand
(Boonsong and Round 1991), and even Australia (Blakers et al. 1984) with
the Philippines being only a few hundred kilometres south of Taiwan, the
occasional appearance of the species in the archipelago is to be expected.
COMMON BLACK-HEADED GULL Lams ridibundus Cebu: About
100 on Olango Island on 4 March 1991.
Dickinson et al. (1991) only record this species from Luzon, Mindanao,
Palawan and Mindoro. This is apparently the first record for Olango,
although it is likely to have been overlooked in the past.
122
N. REDMAN
Forktail 8
ROSEATE TERN Sterna dougallii Cebu: At least one bird amongst a large
flock of Common Terns 5. hirundo on Olango Island on 4 March 1991.
Dickinson et al. (1991) list only the islands of Culion, Corregidor and
Palawan for this species, and consider it to be a rare breeder on remote islets.
The above record appears to be the first for Olango Island.
COMMON TERN Sterna hirundo Cebu: At least 1,000 on Olango Island
on 4 March 1991 .
Dickinson et al. (1991) consider this species to be an uncommon passage
migrant which may occasionally overwinter and oversummer, listing most of
the major islands in the archipelago, but not Cebu. In fact the species is
known from Olango Island and a survey in 1987 recorded 482 birds there
(Magsalay etal. 1989). It seems probable that Olango is a regular site for the
species.
AZURE-BREASTED PITTA Pitta steerii Mindanao: One male seen
calling persistently, about 5 m above the ground in a small tree beside Road
5 in the logging concession of PICOP, near Bislig, on 3 March 1991. Another
bird responded briefly nearby. Both birds were calling in mid-morning and
their calls were taped. Playback was not attempted to avoid risk of
disturbance to the birds. The second bird had also been calling in the same
area on the previous evening.
P. s. coelestis, from Bohol, Samar and Leyte, has been reported regularly
from Rajah Sikatuna National Park on Bohol in recent years, but the sole
modern record of the nominate race, known only from Mindanao, was a
single bird, in limestone country, on the Zamboanga peninsula (R. Krupaper
J. Hornskov).
RED-WHISKERED BULBUL Pycnonotus jocosus Luzon: two seen in the
American Cemetery, Manila on 18 March 1990.
Not included in Dickinson et al. (1991). The above record of this
widespread resident of mainland southern Asia undoubtedly relates to
escaped birds. However, the sighting is documented in case a feral population
becomes established, as has happened already in many areas, including
Peninsular Malaysia, Singapore, Mauritius, Australia, U.S.A. and Hawaii
(Long 1981).
STRIATED GRASSBIRD Megalurus palustris Palawan: One at Iwahig
fishponds near Puerto Princesa on 8 March 1991.
Dickinson et al. (1991) record this species from most of the major islands
in the Philippines, but not from Palawan. This sighting thus represents the
first record for Palawan. Although a single individual may simply represent
a vagrant, it is perhaps equally likely that this sedentary species is a recent
colonist on Palawan. It seems improbable that it has been previously
overlooked on Palawan as it is a large, frequently conspicuous bird with loud
and characteristic calls. The species has a curiously fragmented distribution,
presumably governed by the availability of suitable grassland habitat. It
1993
Two new species of birds for the Philippines and other notable records
123
occurs from India and southern China through mainland South-East Asia,
and on Java and the Philippines. The gap in its distribution (Peninsular
Malaysia, Sumatra and, formerly, Borneo) is probably related to the fact that
these areas were, until recently, largely forested. Interestingly, two populations
of Striated Grassbirds were discovered on Borneo in 1982 and 1983, in
eastern and western Sabah respectively (Francis 1985). Francis considered
that both populations were closest to M. p. forbesi, which is the form occurring
throughout the Philippines, suggesting that immigration was most likely
from Mindanao, the nearest breeding population known at the time. However,
the birds in western Sabah could just as easily have come from Palawan if, in
fact, the island has been colonised; this would require that colonisation took
place before 1 983. The origin of the Striated Grassbird at Iwahig is far from
certain, but it seems more probable that it came from an island in the
Philippine archipelago than from Borneo. Whatever its origin, further
investigation of the area may well prove that the species is established there.
I am particularly grateful to Tim Fisher for his untiring enthusiasm and assistance on both of my visits
to the Philippines, which he organised on behalf of Birdquest. Perla Magsalay kindly arranged our visit
to Olango Island in 1991 and accompanied us. I also wish to thank Edward Dickinson and Colin Poole
for their comments on an earlier draft of this paper.
REFERENCES
Blakers, M., Davies, S. J. J. F. and Reilly, P. N. (1984) The atlas of Australian birds. Melbourne:
Melbourne University Press.
Boonsong Lekagul and Round, P. D. (1 99 1) A guide to the birds of Thailand. Bangkok: Saha Kam Bhaet.
Brazil, M. A. (1991) The birds of Brazil. London: Christopher Helm.
Chalmers, M. L. (1986) Annotated checklist of the birds of Hong Kong. Hong Kong: Hong Kong Bird
Watching Society.
Chang, J. W-F. (1980) A field guide to the birds of Taiwan. Tunghai University.
Dickinson, E. C., Kennedy, R. S. and Parkes, K. C. (1991) The birds of the Philippines. Tring: British
Ornithologists’ Union (Check-list No. 12).
duPont, J. E. (1971) Philippine birds. Delaware: Delaware Museum of Natural History.
Francis, C. M. (1985) Recent immigration of the Striated Warbler Megalurus palustris to Borneo.
Bull. Brit. Om. Club 105: 22-23.
Gast, S. E. and King, B. (1985) Recent records of the Chinese Egret Egretta eulophotes from Luzon,
Mindoro and Palawan, Philppines. Bull. Brit. Om. Club 105: 139-141.
Gretton, A. (1990) Recent reports: Thailand. Bull. Oriental Bird Club 1 1: 48.
Lansdown, R. (1990) Little-known Oriental bird: Chinese Egret. Bull. Oriental Bird Club 1 1: 27-30.
Long, A. J., Poole, C. M., Eldridge, M. I., Won Pyong-oh and Lee, K.S. (1988) A survey of coastal
wetlands and shorebirds in South Korea, spring 1988. Kuala Lumpur: Asian Wetland Bureau.
Long, J. L. (1981) Introduced birds of the world. ?: David and Charles.
Magsalay, P. M., Rigor, R. P., Gonzales, H. I. and Mapalo, A.M. (1989) Survey of Olango Island,
Philippines, with recommendations for nature conservation. Cebu City: Asian Wetland Bureau Philippines
Foundation.
van Marie, J. G. and Voous, K.H. (1988) The birds of Sumatra. Tring: British Ornithologists’ Union
(Check-list No. 10).
Perennou, C., Rose, P. M. and Poole, C. M. (1990) Asian waterfowl census 1990. Slimbridge:
International Waterfowl and Wetlands Research Bureau/Asian Wetland Bureau.
N. J. Redman, 74 Chatbum Road, Clitheroe, Lancashire BB7 2AT, U.K
1993
FORKTAIL 8 (1993): 125 - 132
125
A study of the breeding ecology of the
Relict Gull Larus relictus in Ordos, Inner
Mongolia, China
ZHANG YIN-SUN and HE FEN-QI
A large breeding colony of Relict Gulls Larus relictus, with 581 nests, was discovered in 1990 at
Taolimiao-Alashan Nur (39°48’N 109°35’E) in Ordos, Inner Mongolia. In 1991 the whole area of
Maowusu Desert in east and south-east Ordos was explored and 49 1 nests were counted at Taolimiao-
Alashan Nur, and one more breeding site with 624 nests was found at Aubai Nur (38°55’N 108°48’E)
in central Maowusu, making the Ordos population the largest in the world for the species.
The fieldwork in 1991 was undertaken from 3 May - 23 June, mainly at
Taolimiao-Alashan Nur, while from 17-24 May and 13-20 June a general
survey of the 21 lakes in Maowusu Desert was carried out. In August-
September, Mr Wu Yong, the local administrative official in charge of
wildlife protection and management and our partner in the project, made
several short term field observations on the gull at the two above-mentioned
breeding sites, as well as at some other lakes.
During May-June 1991 there was another working group subordinated to
the Forestry Department of the Inner Mongolia Autonomous Region, also
at Taolimaiao-Alashan Nur, undertaking field work on the Relict Gull. On
1 1 June, Mr Bu He and Liang Shuan-zhu from that group erected a metal
grid on one islet, isolating a colony of 2 1 nests from others on the islet. The
metal grid was apparently positioned around the colony to facilitate rounding
up the unfledged young birds for further observations on their development.
The presence of the grid changed the behaviour of almost all the gulls in the
area during the latter part of the breeding season. We were very disappointed
that, despite much patient persuasion, we were unable to prevent this being
carried out.
FIELDWORK AND RESULTS
Breeding habitat comparison
In 1991, the circumstances at and around Taolimiao-Alashan Nur have
changed compared with 1990: the water level has dropped slightly and one
more islet has emerged some 250 m west of islet D. During the winter 1990-
1991, the local people collected small stones from the largest islet (C), for
road repairs, allowing grass to cover half the area of the islet and thus affecting
126
ZHANG YIN-SUN and HE FEN-QI
Forktail 8
the gulls’ nest site selection. Large quantities of fry were released into the lake
in early 1991, resulting in more fish-eating birds living on and around the lake
throughout the summer and autumn that year.
The newly found breeding site, Aubai Nur, is an isolated lake in the
hinterland of Maowusu Desert, 155 km south-west of Taolimiao-Alashan
Nur, and is surrounded by mobile/semi-settled sand dunes. The lake is very
alkaline (pH 9), covers an area of 5.5 km2, and is at an elevation of 1,314-
1,321 m, highest at the north-west end and lowest at the south-east end.
There is also some water on the low-lying land of the old lake-bed, forming
a few small pools. There are four islets in the lake, referred to as A, B, C and
D from north to south. Islet A is the largest, with well-developed reeds on
it, covering about two-thirds of the area; the other three islets are covered in
gravelled desert, thus resembling the islets in Taolimiao-Alashan Nur. The
Aubai Nur area has not yet been seriously disturbed by human economic
activities.
Residence and dispersion
In 1 990 and 1991 the Relict Gull stayed at its breeding sites for 1 40- 1 60 days.
In 1990 the first flock arrived at Taolimiao-Alashan Nur on 6 April, and
allthe birds had left by 29 August (Zhang Yin-sun et al. 1992). In 1991,
according to the lake watchman, the first flock arrived on 2 5 March. At Aubai
Nur all the birds had left by 26 August. At Taolimiao-Alashan Nur small
flocks were noted leaving as early as 1 7 June; on 20-2 1 June flocks were noted
flying south in the late evening, presumably to roost elsewhere. Some flocks
did not return, leaving less than 100 birds there after that date.
The dates of arrival at and departure from the breeding sites are perhaps
fairly constant. By the end of August the young gulls are able to fly well and
the food resources are no longer able to sustain the whole colony; the birds
scatter widely to other lakes in Ordos in early September, prior to migration
to winter quarters. Relict Gulls were noted on ten of the 2 1 lakes in Maowusu
Desert, including a non-breeding flock of 426 birds at Hadato Nur on 16
June, and small flocks or individuals at Boerjiang Nur, Hojia Nur, North
Hadato Nur, Ulan Nur, Quitz Nur and Haotongchagan Nur. In May 1 990
the gull was recorded at Chigai Nur but none was seen there in 1 99 1 (He Fen-
qi et al. 1992).
Breeding
During May and June 1991 all of the Relict Gulls at T aolimiao-Alashan Nur
and Aubai Nur were paired breeding adults, as was the case at the former site
in 1990 (Zhang Yin-sun et al. 1992). A count on 3 June 1991 revealed 491
nests in 17 colonies at Taolimiao-Alashan Nur, compared with 581 nests in
8 colonies on 4 June 1990. The arrangement of the colonies was somewhat
1993
Breeding ecology of Relict Gulls in Ordos, Inner Mongolia, China
127
Figure 1. Colonies of the Relict Gull Larus relictus at Taolimiao-Alashan Nur in 1990 and 1991.
different in 1991, mainly because of the spread of grass on islet C. In 1 99 1
the first Relict Gull nests appeared on 7 May (compared with 8 May in 1 990),
earlier than other species breeding on the islets: Gull-billed T ern Gelochelidon
nilotica (12 May), Black-necked Grebe Podiceps nigricollis (26-28 May), and
Common Tern Sterna hirundo (26-28 May). The Relict Gulls initially
selected nest sites at the centre of islets, subsequent pairs spreading out to the
edges; the nests and colonies that were established later on were more densely
packed than the earlier ones. In contrast the Gull-billed Tern usually nests
on the edge of islets, spreading in towards the centre. At the edge of Islet A,
where a colony of Relict Gulls abutted a colony of Gull-billed T ems, one nest
of the latter, containing one egg, was taken over by a Relict Gull which laid
one of her own eggs and then hatched both of the eggs!
In 1 990 and 1 99 1 all of the Relict Gull colonies were discreet, with no other
species interspersed, but colony density varied in each year and between
colonies: on islet C there was an average of 0.275 nests/m2 in 1 990 and 0.148
nests/m2 in 1991; on islet A the 1990 figure was 0.247, while in 1991 it
increased to 2.841 with the closest nests only 7 cm apart.
128
ZHANG YIN-SUN and HE FEN-QI
Forktail 8
Measurement of a random selection of 50 nests in 1991 produced the
following figures: outer diameter 220 (190-270) mm, inner diameter 122
(1 10-140) mm, depth 39 (20-55) mm, height 33 (10-80) mm. In all except
depth these average measurements were substantially smaller than the
corresponding figures for 1 990 (Zhang Yin-sun et al. 1992). Although there
were 90 fewer nests in 1991 than in 1990, average clutch size was slightly
higher: 2.52 eggs/nest (total eggs 1,236) compared with 2. 19 eggs/nest (total
eggs 1,272) in 1990. There was a much larger proportion of nests with three
eggs in 1991; of the 491 nests 7.7% had one egg only (20% in 1990), 33.8%
two eggs (41.3%), 57.5% three eggs (38.6%) and 1% four eggs (0. 17%). In
1991 four white eggs were found in three of the nests examined, one of which
contained two white eggs and no normally-colored ones. Measurements of
50 eggs were 48 (43-64) g in weight and 58.9 (52.0-66.3) x 42.9 (39.8-45.2)
mm in size.
At Taolimiao-Alashan Nur there were fewer Relict Gull nests in 1991
compared with 1990, but four other species nested in greater numbers:
At T aolimiao-Alashan Nur the hatching rate was much lower in 1 99 1 than
in 1990. A check of all the 14 colonies on islet A on 23 June revealed an
average hatch rate of 66.7%, but in the colony surrounded by the metal net,
only one egg had hatched and the resulting chick was dead, even though that
colony had been established for 35-37 days (10 days longer than the
incubation period noted in 1990). The barrier appeared to affect all the
breeding colonies at Taolimiao-Alashan Nur: the birds were restless,
incubation was less intensive, aggressive behaviour towards intruders was
reduced, and the young were fed less frequently. As noted above many of the
1993
Breeding ecology of Relict Gulls in Ordos, Inner Mongolia, China
129
birds left the area much earlier than they would have done otherwise. Up until
22 June about 250 young birds has been found dead on islet A.
At Aubai Nur, on the other hand, on 17 June a flock of 1,000-1,100 lively
young birds had developed. A check of one colony of 1 22 nests showed that
all eggs had hatched and only nine dead young birds were found.
In our opinion the disaster that occurred at Taolimiao-Alashan Nur was
due entirely to the erection of the metal grid; a personal note summarising
this event was delivered to the Secretary-General of the China Wildlife
Conservation Association.
DISCUSSION
Breeding habitat selection
During the breeding season the Relict Gull is restricted, in China, to the
semi-desert and desert lakes of the western Mongolian highland, including
those in Ordos (38°35'-39°’55’N and 108°45'-1 10°00’E), the Uliangsu Hai
(= Nur) (40P46'-41°05’N and 108°40'-109°00’E) and the Suoguo Nur (c.
41°53’N 101°07’E); all of these lakes contain salt water, pH 8.5+, and are at
an altitude of 1,000-1,400 m (Zhang Yin-sun et al. 1991a and 1991b, He
Fen-qi et al. 1992). Other extralimital breeding sites, such as Alakul Lake
(46°10’N 81°50’E) and the Torey Lakes (50°05'-50°10’N and 115°30'-
1 15°50’E) in Russia and Tatsain Tsagaan Nuur (45°10’N 101°28’E) in the
central Gobi of Mongolia, are also situated in desert habitats. Studies in
Ordos and elsewhere show that the species nests only on islets in these lakes
(Auezov 1975, Potapov 1971, Fisher 1985). Furthermore, the arrangement
of colonies at Aubai Nur suggests that, even in remote situations lacking
human disturbance, it is unlikely that the species would attempt to breed
except on islets.
The studies in Ordos indicate that a secure, undisturbed nest-site is more
important than the need for a concealed nest or the abundance and
fluctuations in food supplies. There has been no breeding record of the
species at some lakes in Ordos containing islets, for instance Hongjian Nur
(39°05’N 109°50’E), due to disturbance from fishing and other activities.
The breeding population of the Relict Gull in Ordos is relatively stable and
all the birds present at Taolimiao-Alashan Nur in both 1990 and 1991, and
those at Aubai Nur in 1991 were actively breeding. By comparison, the
breeding populations of Alakul Lake and the Torey Lakes varied remarkably
in numbers: at Alakul the number of pairs ranged from zero to either 800 or
1300 during the period 1969-1974 (Auezov 1975, Knystautas 1987, Il’ichyev
and Zubakin 1988); at the Torey Lakes, apart from scattered individuals and
small flocks, the main colony ranged in size from zero to 1,025 pairs during
the period 1967-1985 (Potapov 1971, Golovushkin 1977, Il’ichyev and
130
ZHANG YIN-SUN and HE FEN-QI
Forktail 8
Zubakin 1988). The numbers of colonies and nests present in each year at
these Russian localities are not specified by the above-mentioned authors. In
Ordos, a large flock of non-breeding Relict Gulls was found in 1991 at a
locality not far from the breeding site, but these non-breeders were involved
in extensive movements - during May and June in the years 1990 and 1991
the number at Hadato Nur varied from 4 to 426, and at North Hadato Nur
it varied from zero to 48 (He Fen-qi et al. 1992).
Although the 1991 study has consolidated our knowledge of breeding
habitat selection, the fact that desert lakes have relatively short term lives
should be borne in mind.
Niche of the Relict Gull in local and regional bird communities
During May and June 1990 a total of 50 species of wetland birds were
recorded atTaolimiao-Alashan Nur, including 27 waterfowl and 23 waders/
shorebirds (Zhang Yin-sun et al. 1991a). In the same period in 1991 a total
of 66 species was found, including 37 waterfowl and 29 waders/shorebirds,
of which 15 were evidently breeding at the site.
Number of nests of waterbirds in different habitats at Taolimiao-
Alashan Nur in 1991
+++
+
Little Grebe Tachybaptus ruficollis
Black-necked Grebe Podiceps nigricollis
Ruddy Shelduck Tadoma ferruginea
Common Shelduck T. tadoma
Spot-billed Duck Anas poecilorhyncha
Northern Shoveler A. clypeata
Northern Lapwing Vanellus vanellus
Little Ringed Plover Charadrius dubius +
Kentish Plover C. alexandrinus +
Common Redshank Tringa totanus
Pied Avocet Recurvirostra avosetta +
Black-winged Stilt Himantopus himantopus +
Relict Gull Lams relictus
Gull-billed Tern Gelochelidon nilotica ++++
Common tern Sterna hirundo ++
water lake
islet surface shoal shore
+
sand
dune
+
+
+
+
++
+
+
+++
+
more than 400 nests, ++++ 200-300 nests, +++ 50-100 nests, ++ 10-
20 nests, + less than 10 nests
1993
Breeding ecology of Relict Gulls in Ordos, Inner Mongolia, China
131
During the breeding season at Taolimiao-alashan Nur more than 85% of
the local bird community is comprised of Mongolian highland desert birds,
of which the Relict Gull is undoubtedly the dominant species, at least
numerically.
At Aubai Nur there were only five species of breeding waterbirds in 1991
and, although there were slightly fewer Relict Gull pairs than there were Gull¬
billed Terns (624: 680), the former was in a dominant position because it
occupied the best nest-sites.
Number of nests of waterbirds in different habitats at Aubai Nur in
+++++ more than 600 nests, ++++ 400-500 nests, +++ 200-300 nests, ++ 10-
20 nests, + less than 10 nests
The Relict Gull is a typical bird of the Mongolian highland deserts and
shows high adaptability to this type of habitat.
Relationship between the Relict Gull and the Gull-billed Tern
The Gull-billed Tern appears to be closely associated with the Relict Gull at
the Ordos lakes, both with the breeding colonies and with non-breeding
individuals. The tern is more catholic in its choice of nest sites, some pairs
nesting on the lake shore or on off-shore shoals. The dominant Relict Gull
had a significant effect on the population of the tern. At Taolimiao-Alashan
Nur in 1 990 the ratio of gulls’ nests to terns’ nests was 58 1 to 77 (Zhang Yin-
sun et al. 1992). In 1991 the ratio was 491 to 286, after the first colony of
Relict Gulls on islet B abandoned their nests following disturbance by an
Upland Buzzard Buteo hemilasius. Soon after this the islet was occupied by
Gull-billed Terns and a colony was quickly established. On islet E only two
pairs of gulls nested and these eventually abandoned the islet to the terns. At
Aubai Nur there were more terns than gulls nesting in total but, on islets,
there were three times as many pairs of gulls as there were terns.
The two species do not compete for food resources because the Relict Gull
feeds mainly on aquatic insects, whereas the Gull-billed T ern feeds on lizards
and small fish.
132
ZHANG YIN-SUN and HE FEN-QI
Forktail 8
As already mentioned, the Relict Gull dominates in nest-site selection and
the arrangement of colonies of the two species on islets (Figures 3 and 4).
The terns allow gulls to nest within their established colonies and benefit both
species by their rapid and concerted reaction to predators.
Gull-billed Terns are also found at other breeding, or potential breeding,
localities of the Relict Gull: Wuliangsu Hai and Suoguo Nur (Zhang Yin-
sun); Lake Alakul, Russia (Rnystautas 1987); Tatsain Tsagaan Nuur,
Mongolia (Fisher 1985); OrokNor, Mongolia (Kitson 1980, Vaurie 1964).
We would like to express our gratitude to the Oriental Bird Club for the honourable decision that they
made of granting us their Forktail-l. cica Conservation Award in 1990, which provided us with the
opportunity to continue our fieldwork, leading to the results set out in this paper. We particularly
appreciate Carol Inskipp for all the kind help she gave us, and the contribution she made towards the
implementation of the project.
REFERENCES
Auezov, E. M. (1975) [Lams reliclus at Lake Alakul’.] Pp. 58-59 in [Colonies of waterbirds and their
protection .] Moscow. (In Russian.)
Fisher, D. J. (1985) Observations on Relict Gulls in Mongolia. Dutch Ending 7: 1 17-120.
Golovushkin, M. I. (1977) [On the colony of Relict Gulls in the Chita district.] Pp. 207-209 in
[Proceedings of the 7th all-Union ornithological conference, Kiev. ] (In Russian.)
He Fen-qi, Zhang Yin-sun, Wu Yong and Gao Tie-jun (1992) The distribution of the Relict Gull Lams
relictus in Maowusu Desert, Inner Mongolia, China. Forktail 7: 151-154.
Il’ichyev, V. D. and Zubakin, V. A. (1988) [Birds of the U.S.S.R.: seabirds .] Moscow: Izdatyelstvo Nauk
[Publishers of Science] . (In Russian.)
Kitson, A.R. (1980) Lams relictus - a review. Bull. Brit. Om. Club 100: 178-185.
Knystautas, A. (1987) The natural history of the U.S.S.R. London: Century.
Potapov, R. L. (1971) [A find at the Torey lakes.] Priroda 5: 77-81. (In Russian.)
Zhang Yin-sun et al. (1991a) [A new finding of a breeding population of the Relict Gull in Ordos.]
Chinese J. Zool. 26(3): 32-33.
Zhang Yin-sun, Liu Chang-Jiang, Tian Lu and Bu He (1991) Recent records of the Relict Gull Lams
relictus'm western Nei Mongol autonomous region, China. Forktail 6: 66-67.
Zhang Yin-sun, Ding Wen-ning, Bu He and Tian Lu ( 1 992) Breeding ecology of the Relict Gull Lams
relictus in Ordos, Inner Mongolia, China. Forktail 7; 131-137.
Zhang Yin-sun, Institute of Zoology, Academia Sinica, 19 Zhongguancun Lu, Haitien, Beijing, China.
He Fen-qi, Institute of Zoology, Academia Sinica, 19 Zhongguancun Lu, Haitien, Beijing, China.
1993
FORKTAIL 8 (1993): 133 - 141
133
Birds of Sariska Tiger Reserve,
Rajasthan, India
K. SANKAR, D. MOHAN and S. PANDEY
Sariska Tiger Reserve (76°17'-76°34’N and 27°5'-27°33’E), situated in the
Aravali hill range, is located in the district of Alwar, Rajasthan. Sariska is in
the semi-arid part of Rajasthan (Rodgers and Panwar 1988). The tract is
mainly hilly and undulating and has numerous narrow valleys, two large
plateaus: Kiraska and Kankwari, and two lakes: Manasarovar and Somasagar.
Silisad Lake is situated along the north-eastern boundary of the reserve. The
total area of the reserve is 800 km2, of which 302.2 km2 is a buffer zone and
497.8 km2 is the core zone.
According to Champion and Seth (1968) the vegetation of Sariska comes
under (1) Tropical Dry Deciduous Forest and (2) Tropical Thorn Forest.
The dominant vegetation types include Anogeissus forest, Boswellia forest,
Acacia-mi-x.t& forest, Butea- mixed forest, Ziziphus woodland, scrub land and
riverine forest. The climate of this tract is subtropical, characterised by
distinct winter (November to February), summer (March to June), monsoon
(July to August) and autumn (September to October). In winter the
temperature drops to 0° and in summer it rises as high as 47°. The average
annual rainfall is around 600 mm.
Little previous work has been carried out on the avifauna of the reserve.
Rodgers (1991) recorded 24 species of birds from Algual spring. KS stayed
in Sariska from July 1988 to December 1990 studying the ecology of large
herbivores. Birds were identified during this period and also during November
1986, November 1987, May 1988, November 1991 and February 1992.
The most interesting finds were Painted Spurfowl Galloperdix lunulata , which
had not been recorded previously from the arid and semi-arid tracts of
Rajasthan, and Indian Cuckoo Cuculus micropterus, a rare straggler to the
semi-arid tracts. The Aravali race of Red Spurfowl Galloperdix spadicea
caurina, endemic to the Aravali hill range, is only found in a few localities.
SYSTEMATIC LIST
A total of 21 1 species was recorded, of which 120 were resident, 73 were
migrant visitors and 18 were considered to be vagrants. In the list the
following codes are used:
134
K. SANKAR el at.
Forktail 8
R = resident
W = winter visitor
S - summer visitor
M - monsoon visitor
V = presumed vagrant
? = uncertain status
B = confirmed breeding
PB = probably breeding
GREY FRANCOLIN Francolinus pondicerianus R, B. Abundant.
BLACK FRANCOLIN Francolinus francolinus R, B. Rare - Karnakawas
scrubland only.
RAIN QUAIL Cotumix coromandelica R, B. Common.
BLUE-BREASTED QUAIL Cotumix chinensis R, B. Rare.
JUNGLE BUSH-QUAIL Perdicula asiatica R, B. Abundant.
RED SPURFOWL Galloperdix spadicea R, B. Rare - rocky areas near
Pandupole, Siliberi and Slopka.
PAINTED SPURFOWL Galloperdix lunulata R, B. Rare - rocky areas close
to water, near Pandupole, Slopka, Udainath, Siliberi, Algual and Naldeshwar.
INDIAN PEAFOWL Pavo cristatus R, B. Abundant.
COMB DUCK Sarkidiomis melanotos R, PB. Rare.
COTTON PYGMY-GOOSE Nettapus coromandelianus R, PB. Common.
GADWALL Anas strepera W. Rare.
COMMON TEAL Anas crecca W. Fairly common.
MALLARD Anas platyrhynchos W. Rare.
SPOT-BILLED DUCK Anas poecilorhyncha R, PB. Common.
NORTHERN PINTAIL Anas acuta W. Fairly common in Silisad.
NORTHERN SHOVELER Anas clypeata W. Common in Silisad.
RED-CRESTED POCHARD Nett a rufina W. Common.
COMMON POCHARD Aythya ferina W. Rare.
TUFTED DUCK Aythya fuligula W. Rare.
SMALL BUTTONQUAIL Tumix sylvatica R, B. Common.
BROWN-CAPPED WOODPECKER Dendrocopos nanus V. One near
Sariska, November 1986.
YELLOW-CROWNED WOODPECKER Dendrocopos mahrattensis R, PB.
Rare.
BLACK-RUMPED FLAMEBACK Dinopium benghalense R, B. Fairly
common.
COPPERSMITH BARBET Megalaima haemacephala W. Common.
1993
Birds of Sariska Tiger Reserve
135
INDIAN GREY-HORNBILL Ocyceros birostris R, B. Rare - only along the
park boundary near Thanagazi and Malakera.
EURASIAN HOOPOE Upupa epops R, B. Common.
INDIAN ROLLER Coracias benghalensis R, B. Common.
COMMON KINGFISHER Alcedo atthis R, PB. Rare.
WHITE-THROATED KINGFISHER Halcyon smymensis R, PB. Common.
PIED KINGFISHER Ceryle rudis R, PB. Rare.
LITTLE GREEN BEE-EATER Merops orientalis R, PB. Rare.
BLUE-TAILED BEE-EATER Merops philippinus R, PB. Rare.
PIED CUCKOO Oxylophus jacobinus M. Common.
COMMON HAWK-CUCKOO Cuculus varius R, B. Common.
INDIAN CUCKOO Cuculus micropterus V. One seen near Kundli road, 23
June 1989; one heard, 3 July 1989.
ASIAN KOEL Eudynamys scolopacea R, B. Rare.
SIRKEER MALKOHA Phaenicophaeus leschenaultii R. Rare.
GREATER COUCAL Centropus sinensis R, B. Rare.
ALEXANDRINE PARAKEET Psittacula eupatria V. Seen only in November
1987, in three places between Sariska and Kalighati.
ROSE-RINGED PARAKEET Psittacula krameri R, B. Fairly common.
PLUM-HEADED PARAKEET Psittacula cyanocephala W, B. Fairly
common.
LITTLE SWIFT Apus affinis R, B. Common.
BARN OWL Tyto alba R, B. Rare.
INDIAN SCOPS-OWL Otus bakkamoena R, B. Rare - one heard, 12
November 1991.
BROWN FISH-OWL Ketupa zeylonensis R, B. Bandipul stream.
MOTTLED WOOD-OWL Strix ocellata R, PB. One at Slopka waterhole,
8 June 1988.
SPOTTED OWLET Athene brama R, B. Common.
SHORT-EARED OWL Asio flammeus W. Seen around Kamakawas,
January to February 1989.
GREY NIGHTJAR Caprimulgus indicus R, B. Common.
ROCK PIGEON Columba livia R, B. Common.
ORIENTAL TURTLE-DOVE Streptopelia orientalis V. One at Sariska, 15
June 1989.
LAUGHING DOVE Streptopelia senegalensis R, B. Fairly common.
SPOTTED DOVE Streptopelia chinensis R, B. Fairly common.
RED COLLARED-DOVE Streptopelia tranquebarica R, B. Fairly common.
EURASIAN COLLARED-DOVE Streptopelia decaocto R, B. Fairly common.
136
K. SANKAR et al.
Forktail 8
YELLOW-FOOTED GREEN-PIGEON Treron phoenicoptera W. Fairly
common - flocks of 30-50 birds seen feeding on Ziziphus fruits.
SARUS CRANE Grus antigone W. Rare - one near Manasarovar, 1 2 January
1990.
WHITE-BREASTED WATERHEN A mauromis phoenicurus R, B. Not very
common.
PURPLE SWAMPHEN Porphyrio porphyrio R, PB. Rare.
COMMON MOORHEN Gallinula chloropus R, PB. Rare - Silisad and
Manasarovar.
COMMON COOT Fulica atra W. Common - 60 on Manasarovar, 12
December 1990.
CHESTNUT-BELLIED SANDGROUSE Pterocles exustus R. Common.
BLACK-BELLIED SANDGROUSE Pterocles orientalis R. Rare.
PAINTED SANDGROUSE Pterocles indicus R. Common in winter.
BLACK-TAILED GODWIT Limosa limosa V. One at Somasagar, 10
March 1990.
COMMON REDSHANK Tringa totanus W. Fairly common.
COMMON GREENSHANK Tringa nebularia W. Common.
GREEN SANDPIPER Tringa ochropus W. Common.
WOOD SANDPIPER Tringa glareola W. Common.
COMMON SANDPIPER Tringa hypoleucos W. Common.
LITTLE STINT Calidris minuta W. Rare.
TEMMINCK’S STINT Calidris temminckii W. Rare - one at Silisad,
November 1986.
EURASIAN THICK-KNEE Burhinus oedicnemus R, PB. Rare.
BLACK- WINGED STILT Himantopus himantopus R, PB. Not very common.
PIED AVOCET Recurvirostra avosetta W. Not very common - 20 on
Manasarovar, 11 January 1990.
LITTLE RINGED PLOVER Charadrius dubius W. Rare.
KENTISH PLOVER Charadrius alexandrinus W. Rare.
NORTHERN LAPWING Vanellus vanellus W. Rare - Silisad, 1988, 1989
and 1990.
YELLOW-WATTLED LAPWING Vanellus malabaricus V. Two records
from Udainath, July 1989.
RIVER LAPWING Vanellus duvaucelii V. Silisad, November 1986.
RED-WATTLED LAPWING Vanellus indicus R, B. Fairly common.
BROWN-HEADED GULL Larus brunnicephalus V. One on Manasarovar,
14 January 1989.
RIVER TERN Sterna aurantia R. Rare.
1993
Birds of Sariska Tiger Reserve
137
BLACK-BELLIED TERN Sterna acuticauda V. One at Kankwari, 1 0 April
1989.
WHISKERED TERN Chlidonias hybridus W. Rare - two near Kankwari,
January 1989.
ORIENTAL HONEY-BUZZARD Pemis ptilorhyncus W. Rare - one in
Bandipul, 12 December 1989.
BLACK- WINGED KITE Elanus caeruleus R, PB. Rare.
BLACK KITE Milvus migrans R. Rare - only two records near Udainath
during monsoon and summer 1989.
EGYPTIAN VULTURE Neophron percnopterus R, B. Rare.
WHITE-RUMPED VULTURE Gyps bengalensis R, B. Fairly common.
LONG-BILLED VULTURE Gyps indicus R, B. Fairly common.
EURASIAN GRIFFON Gyps fulvus V. One near Sariska, November 1986.
RED-HEADED VULTURE Sarcogyps calvus R, B. Rare.
CRESTED SERPENT-EAGLE Spilomis cheela R, PB. Rare.
WESTERN MARSH-HARRIER Circus aeruginosus W. Rare - one near
Silisad, November 1986.
SHIKRA Accipiter badius R, PB. Common.
EURASIAN SPARROWHAWK Accipiter nisus W. Seen very occasionally
near Sariska, 1988 and 1990.
WHITE-EYED BUZZARD Butastur teesa W. More than 1 00 were seen
around Karnakawas in 1 989 when rodents were abundant; however, in 1990
very few were seen.
GREATER SPOTTED EAGLE Aquila clanga W. Rare - one near Kankwari,
20 November 1989 and one near Kalighati, 17 November 1991.
IMPERIAL EAGLE Aquila heliaca W. Rare - one near Karnakawas, 17
January 1990.
COMMON KESTREL Falco tinnunculus W. Rare.
ORIENTAL HOBBY Falco severus ? Rare - only in November 1986, in
Sariska, Silisad and Kankwari.
LITTLE GREBE Tachybaptus ruficollis R. Common in winter.
GREAT CRESTED GREBE Podiceps cristatus V. Four seen onManasarovar,
12 January 1990.
ORIENTAL DAKTFKAnhinga melanogaster W. Rare - 2-3 on Manasarovar
and Silisad.
LITTLE CORMORANT Phalacrocorax niger R.
INDIAN CORMORANT Phalacrocorax fuscicollis R.
GREAT CORMORANT Phalacrocorax carbo R. Numbers of all three
cormorants are augmented by migrants in winter.
LITTLE EGRET Egretta garzetta R. An influx of migrants in winter.
138
K. SANKAR el al.
Forktail 8
GREY HERON Ardea cinerea R. Rare.
PURPLE HERON Ardea purpurea R. Rare.
GREAT EGRET Casmerodius albus ? Rare - 2-4 seen in winter on Somasagar,
Silisad and Monasarovar.
INTERMEDIATE EGRET Mesophoyx intermedia R. Numbers augmented
by migrants in winter.
CATTLE EGRET Bubulcus ibis R. Most frequent during summer and the
early monsoon period.
INDIAN POND-HERON Ardeola grayii R, B. A colony found in summer
1989.
GREATER FLAMINGO Phoenicopterus ruber W. Rare -four on Manasarovar
on 15 January 1990.
BLACK-HEADED IBIS Threskiomis melanocephalus W. Rare - 1 1 on
Manasarovar, 11 January 1989.
RED-NAPED IBIS Pseudibis papillosa W. Rare - one on Manasarovar, 1 1
January 1990.
EURASIAN SPOONBILL Platalea leucorodia W. Common, maximum of
50 on Manasarovar, 1 1 January 1990.
GREAT WHITE PELICAN Pelecanus onocrotalus W. 45 at Silisad, 1 1
January 1990; six on Manasarovar, 13 January 1990.
DALMATIAN PELICAN Pelecanus crispus W. Two on Manasarovar, 12
January 1990.
PAINTED STORK Mycteria leucocephala W. 30 on 11 and 15 on 13 January
1 990 on Silisad.
ASIAN OPENBILL/Tzastomus oscitans W. 10 on Manasarovar, 13 January
1990; 4 on Somasagar, 16 March 1990.
BLACK STORK Ciconia nigra W. Six at Kankwari, 12 January 1989.
WOOLLY-NECKED STORK Ciconia episcopus R, B. Rare - breeds near
Bharthari.
INDIAN PITTA Pitta brachyura S, B. Fairly common and widespread
during May and June.
GREY-HEADED CANARY-FLYCATCHER Culicicapa ceylonensis W.
Common.
BAY-BACKED SHRIKE Lanius vittatus R, PB. Common.
LONG-TAILED SHRIKE Lanius schach R, PB. Common.
NORTHERN SHRIKE Lanius excubitor R, PB. Rare.
RUFOUS TREEPIE Dendrocitta vagabunda R, B. Common.
HOUSE CROW Coruus splendens R, PB. Rare.
LARGE-BILLED CROW Corvus macrorhynchos R, B. Fairly common.
EURASIAN GOLDEN-ORIOLE Oriolus oriolus S, B. Common.
1993
Birds of Sariska Tiger Reserve
139
LARGE CUCKOO-SHRIKE Coracina macei R. Rare.
BLACK-HEADED CUCKOO-SHRIKE Coracina melanoptera S. Rare -
one at Kalighati, 23 June 1989.
SMALL MINIVET Pericrocotus cinnamomeus W. Rare.
SCARLET MINIVET Pericrocotus flammeus V. One near Sariska, November
1987.
WHITE-BROWED FANTAIL Rhipidura aureola R, B. Common.
BLACK DRONGO Dicrurus macrocercus R, B. Fairly common.
WHITE-BELLIED DRONGO Dicrurus caerulescens W. Rare.
ASIAN PARADISE-FLYCATCHER Terpsiphone paradisi R. Rare.
COMMON IORA Aegithina tiphia W. Rare.
COMMON WOODSHRIKE Tephrodomis pondicerianus R, PB. Common.
RED-BREASTED FLYCATCHER Ficedula parva W. Common.
TICKELL’S BLUE-FLYCATCHER Cyomis tickelliae R, PB. Rare.
BLUETHROAT Luscinia svecica W. Rare.
ORIENTAL MAGPIE-ROBIN Copsychus saularis R, B. Common.
INDIAN ROBIN Saxicoloides fulicata R, B. Common.
BLACK REDSTART Phoenicurus ochruros W. Common.
SIBERIAN STONECHAT Saxicola maura R, PB. Rare.
PIED BUSHCHAT Saxicola caprata R, B. Common.
GREY BUSHCHAT Saxicola ferrea V.
DESERT WHEATEAR Oenanthe deserti V. One near Tehla, 12 February
1989.
INDIAN CHAT Cercomela fusca R, PB. Rare.
CHESTNUT-T AILED STARLING Stumus malabaricus R. Abundant,
July to October; otherwise rare.
BRAHMINY STARLING Stumus pagodarum R, PB. Common.
ROSY STARLING Stumus roseus W. Rare.
COMMON STARLING Stumus vulgaris W. Only in November 1986
around Sariska.
ASIAN PIED STARLING Stumus contra R, PB. Common.
COMMON MYNA Acridotheres tristis R, B. Common.
BANK MYNA Acridotheres ginginianus R, PB. Common.
SPOTTED CREEPER Salpomis spilonotus W. Seen near Sariska, 3 January
and 12 November 1989, 13 November 1991.
GREAT TIT Pams major R, B. Numbers augmented in winter.
PLAIN MARTIN Riparia paludicola R, PB. Common.
DUSKY CRAG-MARTIN Himndo concolor R, PB. Common.
BARN SWALLOW Hirundo mstica W. Rare.
140
K. SANKAR el al.
Forktail 8
WIRE-TAILED SWALLOW Hirundo smithii R, PB. Rare.
RED-RUMPED SWALLOW Hirundo daurica R, PB. Rare.
WHITE-EARED BULBUL Pycnonotus leucotis R. Rare.
RED-VENTED BULBUL Pycnonotus cafer R, B. Abundant.
GREY-BREASTED PRINIA Prinia hodgsonii R, PB. Common.
JUNGLE PRINIA Prinia sylvatica R. Rare.
ASHY PRINIA Prinia socialis R, PB. Rare.
PLAIN PRINIA Prinia inomata R, PB. Common.
ORIENTAL WHITE-EYE Zosterops palpebrosus R, PB. Common.
COMMON TAILORBIRD Orthotomus sutorius R, B. Common.
EURASIAN CHIFFCHAFF Phylloscopus collybita W. Common.
INORNATE WARBLER Phylloscopus inomatus W. Rare.
GREENISH WARBLER Phylloscopus trochiloides W. Rare.
TAWNY-BELLIED BABBLER Dumetia hyperythra V. One near Raika
village, 12 November 1988.
YELLOW-EYED BABBLER Chrysomma sinense R, B. Fairly common.
COMMON BABBLER Turdoides caudatus R, B. Fairly common.
LARGE GREY BABBLER Turdoides malcolmi R, B. Common.
JUNGLE BABBLER Turdoides striatus R, B. Fairly Common.
LESSER WHITETHROAT Sylvia curruca W. Rare.
SINGING LARK Mirafra cantillans R, PB. Rare.
INDIAN LARK Mirafra erythroptera R, PB. Common.
PURPLE SUNBIRD Nectarinia asiatica R, B. Common.
HOUSE SPARROW Passer domesticus R, B. Fairly common.
SPANISH SPARROW Passer hispaniolensis W. Abundant - flocks of over
1000 around Karnakawas and Sariska, December to February.
EURASIAN TREE SPARROW Passer montanus W. Rare.
CHESTNUT-SHOULDERED PETRONIA Petronia xanthocollis R, B.
Common.
WHITE WAGTAIL Motacilla alba W. Rare.
WHITE-BROWED WAGTAIL Motacilla maderaspatensis R, PB. Common.
YELLOW WAGTAIL Motacilla flava W. Rare.
GREY WAGTAIL Motacilla cinerea W. Rare.
PADDYFIELD PIPIT Anthus rufulus R, PB. Rare.
TREE PIPIT Anthus trivialis W. Rare.
BAYA WEAVER Ploceus philippinus R, B. Fairly common.
RED AVADAVAT Amandava amandava V. One near Umri village,
February 1988.
1993
Birds of Sariska Tiger Reserve
141
WHITE-THROATED SILVERBILL Lonchura malabarica R, B. Fairly
common.
COMMON ROSEFINCH Carpodacus erythrinus W. Rare.
CRESTED BUNTING Melophus lathami R, B. Fairly common during
summer.
GREY-NECKED BUNTING Emberiza buchanani W. Rare - November
1986 near Sariska.
CHESTNUT-BREASTED BUNTING Emberiza steward W. Fairly
common. Large flocks in 1988 and 1989.
We thank Dr A. J. T. Johnsingh and Dr A. R. Rahmani for their comments.
REFERENCES
Champion, H. G. and Seth, S. K. (1968) A revised survey of forest types of India. Govt, of India.
Rodgers, W. A. (1991) A preliminary ecological survey of Algual spring, Sariska Tiger Reserve,
Rajasthan. J. Bombay Nat. Hist. Soc. 7: 201-209.
Rodgers, W. A. and Panwar, H. S. (1988) Planning of wildlife protected area network in India, 2. Wildlife
Institute of India.
K. Sankar, D. Mohan and S. Pandey, Wildlife Institute of India, P.O. Box 18, Dehradun, 248001, India.
1993
SHORT COMMUNICATIONS
143
Notes on the feeding behaviour of Milky
Storks Mycteria cinerea at the coast of
Indramayu, west Java
M. INDRAW AN, W. LAWLER, W. WIDODO and SUTANDI
On 5 November 1990, while counting waders on the Bungko estuary, located
in Indramayu, 6°31’S 108°33’E, on the north coast of West Java, a group of
1 2 Milky Storks Mycteria cinerea was found resting on a mudflat. One of the
group flew toward us and stood still in the shallow, low tide water. Within
minutes, other birds of the group flew and landed in the vicinity of the
previous bird. The group eventually consisted of eight birds, including three
immatures with greyish plumage. The storks then began to feed in an
unusual manner which was watched from 100 m through a x20 telescope.
The storks fed in turbid waters less than 40 cm deep, in a single tight flock,
each bird about 20-30 cm apart. The flock walked briskly, with long strides,
in a straight line parallel to the shore for about 1 50 m. The birds held their
bills half open and searched for prey with less than half the length of their bills
submerged. Unidentified fish 10-14 cm in length (length estimated in
comparison with the storks’ bills) were frequently flushed from the water.
Distance, light conditions and the walking speed of the storks prevented us
from observing the success rate of their feeding method and, after 10 mins,
the observation was terminated.
The communal feeding of the birds had seemed quite deliberate; they
apparently congregated in the shallow water where there were schools of fish.
The closely related Wood Stork M. americana captures prey using
‘tactolocation’ and tends to feed where density of prey is high, using ‘foot¬
stirring’ and ‘wing-flicking’ to flush and divert prey to the stork’s half-opened
bill (Kahl 1968). Our observation leads us to speculate that the Milky Storks
were using their flock formation, in a similar situation of high prey density,
to flush and divert prey to their half-opened bills.
Few published observations exist on the feeding behaviour of the Milky
Stork, which is a globally threatened species (Collar and Andrew 1988).
Previous accounts have described at least three feeding methods, involving
birds feeding individually or in loose flocks: ‘probing in mud’, ‘groping in
shallow water’, and occasional ‘direct visual searching’ (Silvius 1986: 36,
Swennen and Marteijn 1987: 63-66) . The present note, therefore, describes
additional information on the feeding behaviour.
Observations of feeding behaviour help to increase our understanding of
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the Milky Stork’s habitat requirements. The coasts of Indramayu-Cirebon
have been identified in recent years as having relatively high numbers of
Milky Storks, but also very high hunting pressure (Raharjaningtrah 1988,
Milton and Marhadi 1989, Yus Rusila Noor 1 989), and it is an important site
for implementation of conservation measures and protection of the species
in Java.
The observation was made while we took part in a waterbird study training course, organised by the
Indonesian Directorate General of Forest Protection and Nature Conservation (PHPA), Asian Wetland
Bureau (AWB), Indonesia and Australasian Wader Study Group (AWSG) . Comments on the first draft
were kindly provided by Marcel J. Silvius, Yus Rusila Noor, Paul Jepson and Bas van Balen.
REFERENCES
Kahl, M. P. (1968) Food ecology of the Wood Stork ( Mycteria americana) in Florida. Ecol. Monogr. 34:
97-117.
Milton, G. R. and Marhadi, A. (1989) An investigation into the market netting of birds in West Java,
Indonesia. Bogor: PHPA/WWF/IUCN.
Raharjaningtrah, W. (1988) Stndi ekologi Bhmok (Mycteria cinereal di Kapetakan, Indramayu. Laporan
Kerja Praktek. [An ecological study of the Milky Stork (Mycteria cinereal on Kapetakan, Indramayu. Field
report .] Jurusan Biologi Universitas Padjadjaran, Bandung. (In Indonesian.)
Silvius, M. (1986) Survey of the coastal wetlands in Sumatra Selatan and Jambi, Indonesia. PHPA-
Interwader report.
Swennen, C. and Marteijn, E. C. L. (1987) Notes on the feeding behaviour of the Milky Stork Mycteria
cinerea. Forktail 3: 63-66.
Yus Rusila Noor (1989) Monitoring studi populasi burung dan kaitannya dengan usaha konservasi di
pantai Indramayu dan Cirebon [Monitoring of bird populations and die conservation effort at
Indramayu-Cirebon coasts]. Unpublished. (In Indonesian.)
M. Indrawan, W. Lawler, W. Widodo and Sutandi, c/o Asian Wetland Bureau Indonesia, JalanArzimar III,
P. O. Box 254, Bogor 1 6001, Indonesia.
A sighting of Ficedula (crypta) disposita
in Luzon, Philippines
GUY DUTSON
Two male flycatchers Ficedula ( crypta ) disposita were seen on 1 2 July 1991 at
Angat Dam, Luzon, Philippines. This is the only record of this taxon other
than the female type-specimen collected in the Zambales Mountains (Ripley
and Marshall 1967). The distinctive appearance of disposita appears to
warrant its treatment as a species.
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Two birds were seen on 12 July 1991 at 500 m in highly degraded
secondary forest with much bamboo, about 100 m from a steep slope covered
in primary forest, at Angat Dam, Luzon, Philippines. They were first
detected by the song: a flycatcher-like warble, similar in tone and pattern to
that of Snowy-browed Flycatcher Ficedula hyperythra, heard subsequently in
the Philippines. The song was a high-pitched, thin warble of three distinct
notes, the middle note higher-pitched than the others, then a faster series of
descending notes, this phrase being repeated after a few seconds. Over the
next five minutes, the birds remained within a few metres of the path, singing
intermittently. Although the birds were usually hidden in low undergrowth,
clear unobstructed views were obtained by all four observers of both birds.
They were small slight passerines, perching on vegetation or fallen branches
and logs, up to 2 m off the ground. The tail was strikingly patterned, with
pale orange-rufous outer rectrices contrasting with dark brown central
rectrices (probably just the central pair) and a terminal band of about 30%
of the exposed length of the other rectrices . The uppertail coverts were darker
rufous and the rest of the upperparts greyish-brown, becoming grey on the
lores, but with the rest of the head plain, making the large eye very prominent.
The throat was white and clear-cut from the upperparts, and the breast was
mottled with buff. The legs were pale pink. This species was not heard or
seen subsequently by these observers, during a total of five days spent at this
site.
The descriptions of disposita in duPont (1971) and in Ripley and Marshall
( 1967) enabled only a tentative identification; however, a detailed description
of the type specimen made by J. T. Marshall (in litt. 1992) agrees very closely
with the field description of the Angat birds. The specimen was said by
Marshall (in litt. 1 992) to have a duller rufous base colour to the tail than that
described for the Angat birds; this could perhaps be a result of the viewing
conditions.
On the basis that the Angat disposita were singing, that they appeared to be
agonistic towards each other, that the song was sinilar to that of F. hyperythra
and that only male hyperythra were heard to sing, they are concluded to have
been male birds. The type was a female and, therefore, disposita is apparently
sexually monomorphic. F. bonthaina shows slight sexual dimorphism, whilst
the other taxa discussed below are sexually monomorphic.
The type-specimen was taken in forest at 760 m in the Zambales Mountains,
about 130 km west of Angat (Ripley and Marshall 1967). Ripley and
Marshall considered Ficedula crypta to comprise three allopatric subspecies:
crypta on Mindanao, bonthaina on Sulawesi and disposita on Luzon. Closely
related are harterti of Sumba and platenae of Palawan, both generally
considered full species (e.g. White and Bruce 1986); all are monotypic.
However, duPont (1971), White and Bruce (1986) and Dickinson et al.
(1991) split bonthaina as Lompobattang Flycatcher. Bonthaina and platenae
are represented in the collections of the British Museum (Natural History);
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these taxa appeared to be much closer in plumage to one another than either
was to the disposita seen at Angat. Specimens of crypta and platenae in the
National Museum of Natural History in the U.S.A. (USNM) are bigger and
heavier-billed than the specimen of disposita , whilst all are distinctively
plumaged. The disposita specimen had a more olive-brown back than the
chestnut-maroon back of crypta. The tail was patterned dusky and rufous on
the inner webs of all except the central pair of rectrices, which were more
diffuse dusky (Figure 1), unlike the uniform purplish-red tail of crypta (J. T.
Marshall in litt. 1992). Indeed, J. T. Marshall (in litt. 1992), is unsure
whether disposita is closely related to crypta. Considering the differences of
size and plumage between disposita and crypta, and the treatment of all the
other relevant forms as species, it would seem prudent to split disposita as a
species. An apt English name, following the etymology of disposita and crypta,
would be Furtive Flycatcher.
All five taxa discussed above are poorly-known and have very restricted
ranges. Their geographical ranges vary
v . rni _ Figure 1 . Tail pattern ot'Ficedula (crypta)
between most or Palawan lor platenae to a , , , , , , .
disposita based on a sketch of the specimen
single mountain for bonthaina. There by j. t. Marshall
have been no recent records of bonthaina,
just one of harterti (Collar and Andrew
1988) and scattered specimen records of
crypta (Dickinson et al. 1991) followed by
more unpublished recent nettings and
sightings. Where known, it appears that
they are species tolerant of, or restricted
to, forest at medium altitudes, with crypta
ranging up to 1,500 m. Based on their
geographical and altitudinal restrictions,
and perhaps dependence on primary forest,
all must be considered in some danger of
extinction. F. crypta is listed in Collar and
Andrew (1988) as ‘Near-threatened’, and
this may still be accurate. However,
disposita has only been recorded in forest at lower altitude, over a smaller area
and on fewer occasions. Its population at Angat Dam must be small because
birders have subsequently located skulking species such as Rabor’s Wren-
Babbler Napotherarabori several times (T. H. Fisher verbally 1992), but there
have been no further records of disposita. Forest covers a considerable area
at Angat Dam but the Zambales Mountains have little lowland or mid¬
altitude forest left, and the whole of Luzon has extremely little forest away
from the northern mountain ranges of the Cordillera Central and Sierra
Madre (Swedish Space Corporation 1988). The forest at Angat Dam is
being rapidly cleared and degraded (pers. obs.; T. H. Fisher verbally 1991)
despite its protection as a reservoir watershed. With an impressive array of
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lowland forest birds recorded in recent years at this site, including the
following listed as internationally threatened by Collar and Andrew (1988):
Rabor’s Wren-Babbler, Ashy-breasted Flycatcher Muscicapa randi, Celestial
Monarch Hypothymis coelestis and Long-billed Rhabdomis Rhabdomis grandis
(T. H. Fisher verbally 1991), Angat Dam must warrant considerable
conservation action. Meanwhile, Ficedula disposita should be listed as a
threatened species, and probably considered as ‘endangered’.
Since the above was written it has been learnt that four disposita were netted
in degraded and selectively logged forest between 250 and 300 m in the Sierra
Madre in 1991-1992 (Poulsen in prep.).
I owe especial thanks to my field companions Guy Anderson, Tom Brooks and Tom Evans. This
observation was made whilst conducting the Cambridge Philippines Rainforest Project expedition; I am
indebted to those acknowledged in the expedition report (Evans et al. in prep.). Particular thanks are
due to Tim Fisher for arranging the trip to Angat Dam and to the dam staff for their assistance during
our brief stay. Joe T. Marshall generously made detailed notes and pictures of the specimens in the
United States National Museum, Edward Dickinson commented on the paper and Peter Colston
allowed access to the specimens at the British Museum (Natural History).
REFERENCES
Collar, N. J. and Andrew, P. ( 1 988) Birds to watch: the ICBP world checklist of threatened birds. Cambridge,
U.K.: International Council for Bird Preservation (Techn. Publ. 8).
Dickinson, E. C., Kennedy, R. S. and Parkes, K. C. (1991) The birds of the Philippines. Tring: British
Ornithologists’ Union (Check-list no. 12).
duPont, J. E. (1971) Philippine birds. Grenville, Delaware: Delaware Mus. Nat. Hist.
Evans, T. D., ed. (in prep.) The birds ofNegros, Mindoro and Siquijor: the final report of the Cambridge
Philippines Rainforest Project. International Council for Bird Preservation Study Report.
Poulsen, M. K. (in prep.) The status and conservation of the threatened birds in the Sierra Madre
mountains, northern Luzon, the Philippines.
Ripley, S. D. and Marshall, J. T. (1967) A new subspecies of flycatcher from Luzon, Philippine Islands
(Aves: Muscicapinae). Proc. Biol. Soc. Washington 80: 243-244.
Swedish Space Corporation (1988) Mapping of the natural conditions of the Philippines. Final report.
White, C. M. N. and Bruce, M. D. (1986) The birds ofWallacea. London: British Ornithologists’ Union
(Check-list no. 7).
Guy Dutson, Selwyn College, Cambridge CB3 9DQ, U.K.
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Rediscovery of the Oriental Bay-Owl
Phodilus badius in peninsular India
R. KANNAN
The Oriental Bay-Owl Phodilus badius is an enigma in Indian ornithology.
Three disjunct, widely separated populations exist, and the bird is apparently
very rare in all three areas. What little that is known about the species is from
occasional observations of the northern race P. b. saturatus, the range of
which extends from Sikkim through Manipur to Viet Nam. Of the other two
populations, P. b. ripleyi apparently occurs in a very small section of the
southern Western Ghats of India. Until recently it was known only from a
single specimen taken at Periasolai (10°36’N 76°40’E) in the Nelliampathy
Hills, Kerala (Hussain and Khan 1978). The third race, P. b. assimilis, occurs
in Sri Lanka, whence it is known from about a dozen specimens.
On 14 February 1992 my tribal field assistant Natarajan, while leading a
group of tourists inside Karian Shola, a well-known patch of forest in the
Anaimalai Hills, came across an Oriental Bay-Owl sleeping on the limb of a
small tree in deep evergreen forest. The bird was photographed and I was
able to confirm the identification from the prints. This record was from about
30 m to the west of the Tamil Nadu - Kerala border, in the Sungam range
of Parambikulam Wildlife Sanctuary (10°28’N 76°50’E). The spot is about
1 .2 km from Top Slip town in Tamil Nadu. Natarajan informed me that one
of the members of the group poked the sleeping bird with a long stick,
resulting in the bird opening its eyes briefly before going back to sleep. On
further disturbance the bird reluctantly took flight and settled elsewhere.
This incident lends support to the statement in Ali and Ripley (1987) that it
‘Is greatly incommoded by, and practically helpless in daylight’.
I combed the area next day with Natarajan, but failed to see the bird. From
then on I kept a sharp look-out for the species during daily forays inside
Karian Shola and, on 6 April, in deep evergreen forest along the trail towards
Pandaravarai Hill, I spotted an Oriental Bay-Owl perched on the rim of a
tree-hole about 10 m up. I made a careful field sketch and showed the bird
to my tribal tracker, Velli. The most striking feature of this handsome owl
is the broad V extending across the flat pale face. The little ear-tufts and faint
spots on the breast could be seen with binoculars. It stared at me with half¬
open eyes for a while and then, almost imperceptibly shuffled deeper into the
cavity. This sighting was about 1 km north-east of the February record,
within the Indira Gandhi Wildlife Sanctuary, Tamil Nadu. I presume that
these two sightings relate to different individuals, considering the time and
distance between the two encounters. The fact that a careful search for the
bird was successful in finding it suggests that it may be more common than
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is believed - it may well have been overlooked due to its strictly nocturnal
habits and the low density of populations. It may occur further south in
sanctuaries such as Kalakkad (Tamil Nadu) and Periyar (Kerala), where
similar habitat exists. A thorough, systematic survey is needed to ascertain
the true status and distribution of this subspecies.
The Periasolai area in the Nelliampathies, where the type specimen was
collected in a coffee estate, was largely ‘wet evergreen forest’ (Hussain and
Khan 1978), but is now a vast clearing with tapioca plantations (K. Subban,
Tamil Nadu Forest Department, verbally). Much of the Nelliampathy Hills
are now denuded but the Anamalais, with two wildlife sanctuaries covering
over 1,250 km2, enjoy better protection, especially with the recent elevation
of Karian Shola to the status of a National Park. This must be important for
the survival of this rare owl, which is only known from the Anamalai-
Nelliampathy hills.
I thank Natarajan for first reporting the species to me and for presenting the photograph to me; Arul Jothi
for his description from the February sighting; and to V. Santharam, K. K. Neelakantan and Z. Futehally
for their comments and suggestions.
This note is dedicated to the late Professor Neelakantan for his contributions to the ornithology of
Kerala. He reviewed this manuscript but, unfortunately, did not live to see it in print.
REFERENCES
Ali, S. and Ripley, S. D. (1987) Handbook of the birds of India and Pakistan. Compact edition. Bombay:
Oxford University Press.
Hussain, S. A. and Khan, M. A. R. (1978) A new subspecies of Bay Owl [Phodilus badius (Horsfield)]
from peninsular India. J. Bombay Nat. Hist. Soc. 74: 334-336.
R. Kantian, Hombill Project, Indira Gandhi Wildlife Sanctuary, Top Slip 642 141 (via) Pollachi, India.
Black-billed Magpie Pica pica: a new
species for Thailand
GEORGE V. WATOLA
On 7 and 8 April, 1989, Julia Watola and I watched a Black-billed Magpie
Pica pica at Doi Ang Khang, north Thailand. It was present at 1 OhOO on both
occasions, perched in a small leafless tree about 30 m from the road. When
we stopped to observe it more closely, it flew off giving a chatter I knew as
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characteristic of the species.
The bird’s size, slightly larger than Green Magpie Cissa chinensis, black and
white plumage, and long graduated tail made it unmistakeable. I had no
doubt as to its identity, being familiar with the species in Britain and Europe.
I observed it through 8x40 binoculars and took brief notes on a mini¬
cassette recorder. The black head and breast, white belly and scapulars, and
white wing flashes in flight were all noted. There do not appear to be any
similar species in South-east Asia mentioned in King et al. (1975).
At the time I did not realise the significance of this record, having seen
Eurasian Jays Garrulus glandarius on Doi Inthanon a few days before, and I
had erroneously assumed that Black-billed Magpies had a similar status in
Thailand. I had also seen the plate of Black-billed Magpie and Corvus species
in King et al. (1975) and this reinforced my view! On reading King et al.
(1975) more closely on our return home, I was surprised to see that the Black¬
billed Magpie had not actually been recorded in Thailand, and was found
only as close as northern Laos and eastern Myanmar.
P. D. Round {in litt. 1989), stated that the Black-billed Magpie is not found
in the Shan States across the border in Myanmar, but it ‘could be a species
extending its range with deforestation’.
While this is the first record of Black-billed Magpie for Thailand, the ever-
increasing records of new species for that country may indicate that lack of
observers rather than vagrancy is responsible for the limited sightings of some
species. There have been hardly any observations of birds in Myanmar and
Laos in recent years, and some open country species such as the Black-billed
Magpie may be more widespread than realised.
REFERENCE
King, B. F., Dickinson. E. C. and Woodcock, M. W. (1975) A field guide to the birds of South-East Asia.
London: Collins.
George V. Watola, Pentre Farm, Ccfnllys Lane, Llandrindod Wells LD1 5 PD, U.K.
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Mallard Anas platyrhynchos : a new
species for Thailand
PETER CUEREL and SOMSRI THONGSATJA
On 27 December 1991, Peter Cuerel and Somsri Thongsatja were
birdwatching at Chiang Saen Lake (20° 1 5 ’N 1 00°03 ’E) , Chiang Rai Province,
Thailand, when they found a drake Mallard Anas platyrhynchos.
The lake is situated about 8 km south-west of the town of Chiang Saen, 4-
5 km from the Mekong River and about 25 km due south of the most
northerly point in Thailand. On 26 December we had been taken to a
secluded bay by local people. This bay contained a large nunber of ducks and
although nothing exceptional was seen, it was noticed that there was a
considerable movement of birds in the area, with several large groups of
ducks being seen in flight over the surrounding countryside. We therefore
returned to the site on the following day.
At about 15h00 on 27 December, PC was searching through a flock of
about 600 ducks using a telescope (magnification 30x) at a range of
approximately 150 m. The species present were mainly Lesser Whistling-
Duck Dendrocygna javanica, with good numbers of Garganey Anas querquedula
and Northern Pintail A. acuta , together with some Common Teal A. crecca.
It was hoped that the search might produce a Thai rarity such as Gadwall A.
strepera. Instead, however, a familiar bird was seen and quickly identified as
a drake Mallard A. platyrhynchos in breeding plumage. The bird remained
in view for about 1 3/4 hours, mainly resting. It flew briefly, once, during a
disturbance, but travelled only about 20 m. It remained in the same general
area in which it was first sighted. The identification was checked by
consulting King et al. (1975), for the benefit of ST. Notes were taken and
used to compile the description given below.
A medium or large-sized duck, appearing about the size of a Northern
Pintail, but with a slightly heavier build. The large bill was yellowish, with
a touch of green and was darker on the nostrils. The head and neck were
entirely dark green, and a narrow white collar at the base of the neck separated
these areas from the body. The breast was dark brown, dull with no sheen,
but with some lighter speckling. The folded wings and upperparts visible
while the bird was at rest appeared pale grey, with some light brown marks.
The back was light brownish and the rear end of the body was black with some
white visible in the tail. The underparts were whitish and the legs and feet
were orange. A very dark bluish speculum, edged with white at the front and
rear, was visible in flight. An unexpected feature was that the eye was yellow
instead of dark; the latter colour is typical of the Mallard at all stages.
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In South-East Asia, the species has previously been recorded in northern,
central and eastern Myanmar (King et al. 1975) and in Viet Nam (Vo Quy
197?). This appears to be the first record for Thailand, although Boonsong
Lekagul and Round (1991) considered that the species was a likely future
addition to the list of Thai birds.
The authors wish to thank P. D Round for his comments on the first draft
of this note.
REFERENCES
Boonsong Lekagul and Round, P. D. (1991) A guide to the birds of Thailand. Bangkok: Saha Kam Bhaet.
King, B. F., Dickinson, E. C. and Woodcock, M. W. (1975) A field Guide to the birds of South-East Asia.
London: Collins.
Peter Cuerel, 19 Chalky Copse, Hook, Basingstoke, Hants. RG27 9PX, U.K.
Somsri Thongsatja, 135/2 Mhu 5, Tarnbon Huaraw, Amphoe Muang, Phitsanuloke, 6500, Thailand.
Collared Grosbeak Mycerobas affinis : a
new species for Thailand
JOHN T. KNOWLER
Soon after dawn on the mornings of 18 and 19 February 1986, at the edge
of evergreen forest surrounding the small marsh on the summit of Doi
Inthanon, Chiang Mai province, northern Thailand, David Clugston, John
Mullins and I identified a Collared Grosbeak Mycerobas affinis. Although
previously unrecorded in Thailand, it has transpired that we were neither the
first, nor the last, observers, to see this individual. The bird was originally
found by Brian Field and others who saw it at the same site, again just after
dawn, on 2 January. It remained in the area until at least 22 March, when it
was seen by Phil Round and Kamol Kamolphalin.
The following description is compiled from my own combined field notes
taken on 18 and 19 February. In size and shape the bird was obviously a
grosbeak Mycerobas, appearing substantially larger than a Hawfinch
Coccothraustes coccothraustes, with a massive pale horn-colored bill. The head,
wings and tail were wholly black except for yellow spots on the inner tertials.
The breast, belly, under tail-coverts, rump, mantle and a broad collar around
the lower neck were brilliant golden yellow, suffused orange on the collar.
When the bird was perched, the collar was conspicuous and the yellow rump
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was usually visible because the wings were held above it. The mantle was not
normally visible on the perched bird, but became conspicuous in flight, as did
the contrast between the mantle and the orange lower neck. We did not see
that the thighs were yellow, which would conclusively rule out the Black-and-
yellow Grosbeak M. icterioides, but this feature was noted by later observers
and the orange on the collar is also a feature of ajfinis and not icterioides.
On both mornings the bird was first observed when it flew into the tops of
the low trees on the edge of the marsh opposite the boardwalk. It then
dropped into the bushes below the trees, where it was in the company of
Common Rosefinches Carpodacus erythrinus and the occasional Dark-breasted
Rosefinch C. nipalensis. On each occasion the bird was in view for approximately
30 minutes, but was not observed to feed or to drop to the ground. It did not
call during our observations but B. Field (pers. comm.) stated that his
attention was first attracted to it by its distinctive call.
I should like to thank Phil Round for his comments.
J. T. Knowler, Department of Biological Sciences, Glasgow Polytechnic, Cowcaddens Road, Glasgow G4 OBA,
Scotland, U.K.
Northern Shrike Lanins excubitor , a
species new to Borneo and South-East
Asia
CLIVE F. MANN and DAVID A. DISKIN
At about 16h30 on 4 October 1990 C.F.M. saw a grey, black and white bird
fly low across a muddy stretch of a paddyfield onto a low bush growing on
a bund about 200 m distant. It was at first reminiscent of Pied Triller Lalage
nigra , but habitat, behaviour and jizz were wrong for that species. When
viewed through a telescope down to 30 m it became obvious that it was a grey
shrike Lanius. The bird was seen in flight on two occasions. It was larger than,
and had a longer tail and a heavier bill than that of a Brown Shrike L. cristatus.
There was a broad, black stripe running back from the eye; the crown and
mantle were pale grey and the rump was white. The wings were black with
a large white area, and the tail was black with much white on the outer
feathers. The underparts were white, with a faint pink tinge on the breast and
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lacked darker vermiculations. A prominent white bar across the primaries
was obvious in flight. Bill pale.
It was identified as a Northern Shrike L. excubitor and the pale bill indicates
that it was L. e. pallidirostris rather than L. e. bianchii or L. e. mollis which have
been recorded in Japan. The similar Chinese Grey Shrike L. sphenocercus was
eliminated because that species lacks the large white wing patch and has a
grey rump.
D.A.D. saw the bird on the following day and concurred with the
identification. However, it was not seen subsequently.
Clive F. Mann, 123 Hartwood Road, London W12 9NG, U.K.
David A. Diskin, Flat G, 15F, Block 2, Man Lai Court, Man Lai Road, Shatin, Hong Kong.
Japanese Night-Heron Gorsachius
goisagi , a species new to Borneo
JEN A. ELKIN
Mann (1988) reported a sighting of a Malayan Night-Heron Gorsachius
melanolophus, feeding in daylight on swampy ground bordering a garden, at
Panaga, Brunei on 28 October 1985. The bird had been identified by Clive
F. Mann from photographs taken by the author. There was some doubt
about the identification because the bird did not exactly fit descriptions of
melanolophus , but it was assumed to be an undescribed plumage of that
species. Other photographs of the bird, showing some features more clearly,
were subsequently sent to Jeff Davies (Australia), P. D. Round (Thailand),
D. S. Melville (Hong Kong) and D. R. Wells (Malaysia).
Davies (pers. comm.) concluded that the bird was a Japanese Night-Heron
G. goisagi , based on the following characters: cap not black, unmarked; face,
neck and wings dull brown richer rufous-brown in melanolophus) ; subtle pale
centres to feathers on the sides of the neck (uniform in melanolophus ); the
feathers of the belly each with brown webs and a central white chevron
emphasised by a blackish mark down each side (in melanolophus the belly
feathers have a central black streak, a rufous outer web and, particularly on
the central feathers, an entirely white inner web); lores yellowish (blue in
melanolophus) .
Round (pers. comm.) concurred with this diagnosis, stating that the
‘plumage and bare parts quite wrong for melanolophus' .
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Melville (pers. comm.) also agreed, stating, however, that goisagi has blue
facial skin when breeding (shown by one individual in Hong Kong), and
greenish-yellow the rest of the year. He suggested that the pale spotting on
the neck indicated that it was an immature goisagi.
Wells (pers. comm, to C. F. Mann and the author) thought that the pattern
of the underparts could be matched by immature melanolophus , but the pale,
indistinctly vermiculated upperparts were wrong for that species. He felt that
the bare parts coloration was inconclusive but agreed that bird must have
been goisagi.
The species breeds in southern Japan, migrating to eastern China, T aiwan,
the Philippines and Sulawesi; vagrants have reached Sakhalin, Hokkaido and
Korea.
I would like to thank C. F. Mann for help in preparing this note.
REFERENCE
Mann, C. F. (1988) Bird report for Brunei Darussalam 1986-88. Brunei Mus. J. 6(4): 88-1 1 1.
Black-collared Starling S tumus
nigricollisi a species new to Borneo and
the Sundas
JEN A. ELKIN, CLIVE F. MANN and A. CONRAD OZOG
At about 08h00 on 4 October 1991 a large starling was seen flying about 10
m above a fallow paddyfield at Wasan Rice Scheme, Brunei. Its large size
(almost that of a Hill Myna Gracula religiosa ) and pied appearance indicated
that it was not one of the starling species regularly occurring in Borneo. It
dropped on a path about 300 m away and was eventually relocated with flocks
of egrets Egretta and Bubulcus and terns Chlidonias following a plough. It was
observed at close quarters with both binoculars and a telescope and the
following points were noted:
Size of Common Myna Acridotheres tristis , or slightly larger. Bill and legs
pale. Back, wings, mantle and tail blackish-brown or black; a white bar on
primaries, particularly noticeable in flight; rump and tips of tail feathers
white. Head, neck and chin to breast greyish-brown to buffish-brown,
streaked whitish and palest on the throat.
156
SHORT COMMUNICATIONS
Forktail 8
It was identified as an immature Black-collared Starling Stumus nigricollis
from King et al. (1975) and Viney and Phillipps (1988). The species occurs
from southern China south to Myanmar and Thailand but has not previously
been recorded in the Sundas.
REFERENCES
King, B. F., Dickinson, E. C. and Woodcock, M. W. (1975) A field guide to the birds of South-East Asia.
London: Collins.
Viney, C. and Phillipps, K. (1988) New colour guide to Hong Kong birds. Fourth edition. Hong Kong:
Government Printer.
Jen Elkin, PTR/3, Brunei Shell Pteroleum, Seria, Brunei
Clive F. Mann, 123 Hartwood Road, London W12 9NG, U.K.
A. Conrad Ozog, c/o UBD, PO Gadong, Bandar Seri Begawan 3186, Brunei.
^7
Long-billed Partridge Rhizothera
longirostris : a new species for Sabah
D. A. SHOWLER
The Long-billed Partridge Rhizothera longirostris is represented in Borneo by
two races, neither of which has been recorded previously in Sabah (Smythies
1981, Francis 1986). R. 1. dulitensis apparently occurs only on Mt. Dulit and
Mt. Batu Song in Sarawak, above 1,000 m. R. 1. longirostris is the lowland
race, known previously only from south-west Sarawak and the Barito
drainage in south Kalimantan (Smythies 1981). It is presumably this latter
race that has been seen and heard by several observers in primary lowland
dipterocarp rainforest at Danum valley, east Sabah. It was apparently first
recorded in the area by R. Orenstein (Toronto, Canada) and two Australian
birders, during the third week of March 1992. I heard apairduettingatdusk
on 27 March 1992, 500 m along the main trail west (W5), and about 1 km
from Danum Valley Field Centre. I subsequently heard a pair (probably the
same birds) duetting, and saw a male walking back into cover, at 1 7h 1 5 on
4 April 1992, 300-400 m along the main trail west (W3-W4).
REFERENCES
Francis, C. M. (1986) Check-list of the birds of Sabah.
Smythies, B. E. (1981) The birds of Borneo. Third edition. Kota Kinabalu and Kuala Lumpur: The Sabah
Society and the Malayan Nature Society.
D. A. Showier, 30 Essex Street, Norwich, NR2 2BL, U.K.
158
Forktail 8
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1993
159
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Campbell, B. and Lack, E. eds. (1985) A dictionary of birds. Calton (Staffordshire, U.K.): T.
and A. D. Poyser.
King, B. F., Dickinson, E. C. and Woodcock, M. W. (1975) A field guide to the birds of South-
East Asia. London: Collins.
Kuroda, Nh., ed. (1984) Ketteiban seibutsu daizukan; chorui [Illustrations of animals and plants:
birds], Tokyo: Sekai Bunkasha. (In Japanese.)
Roslyakov, G. E. (1985) [‘Information on the distribution and number of Aix galericulala and
Mergus squamatus over Khabarovsk Territory.’] Pp. 101-102 in N. M. Litvinenko, ed. Rare and
endangered birds of the Far East. Vladivostok: Far East Science Center, Academy of Sciences of
the USSR. (In Russian.)
Sien Yao-hua, Kuan Kuan-Hsiin and Zheng Zuo-xin (1964) [‘An avifaunal survey of the
Chinghai province.’] Acta Zool. Sinica 16: 690-709. (In Chinese.)
Smythies, B. E. (1981) The birds of Borneo. Third edition. Kota Kinabalu and Kuala Lumpur:
The Sabah Society and the Malayan Nature Society.
Somadikarta, S. (1986) Collocalia linchi Horsfield & Moore - a revision. Bull. Brit. Om. Club
106: 32-40.
White, C. M. N. and Bruce, M. D. (1986) The birds of Wallacea (Sulawesi, the Moluccas and
Lesser Sunda Islands, Indonesia): an annotated check-list. London: British Ornithologists’ Union
(Check-list no. 7).
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