Cotton Pygmy-Goose Nettapus coromandelianus (Gmelin) 1789
Cotton
Pygmy-Goose Nettapus coromandelianus (Gmelin) 1789
Other
Name: Asian Pigmy-goose, Cotton Teal, White-Quilled Pygmy Goose, White
Pgymy Goose, Quacky-Duck
Resident
Status and
distribution
Locally
resident. Occur south to Johore. This species is rather common in Perak and
Selangor however there is no breeding record have been observed. (see Breeding
information)
Description
Male: Whitish
duck with crown, upperpart and necked color blackish- appear glossy greenish-.
Flanks washed grey, mottles brown towards the rear end. Blackish undertail
covert. Tail black
Female: Similar
to male. All blackish area of male are replaced with brown. Eye colour female brownish<= => crimson male.
Black band across the eye in female <= => male absent
Juvenile: Resemble
female with mottling on underpart more prominent. Eye-line broader with
complete lack of green gloss upperpart.
In flight: Broad
white band on flight feather above and below.
Male Eclipse:
Retain male wing patter with darker upperparts and face and fore necked whiter.
Bill appear on average more yellow-green at based.
Hybridisation
None reported
Confusion
Species
No risk of
confusion
Geographical
Variation
Nettapus
coromandelianus coromandelianus nominate race are only subspecies
found in this part of the region. Nettapus coromandelianus albipennis
Australia only.
Behaviour
Mainly feed on
aquatic plant. This species is know to be in group. Rarely does this species is
sighted alone. Have been recorded up to 500 at one time.
Feed on surface
however do dive to avoid captured. Clumsy on land
Habitat
Found mainly in
man made lake. In Malaysia commonly found in ex mining pool, open country lake
and undisturbed lake in plantation.
In Well’s 1990,
“salt water usage have been recorded from Krabi Mangrove and a female
mist-netted by pond on cleared back-mangrove land behind the sea bund at Kuala
Selangor.” This however there is no recent record on such usage in recent
years.
Breeding
Claim to nest in
tree hold however no local information for this species.
Photo
Reference
Ben
F.King & Edwards C.Dickson, 1989, A Field Guide To The Birds of
South-East Asia, Collins, Grafton Street, London
Craig
Robson, 2017, A Field Guide To The Birds of South-East Asia,
Bloomsburry, London
Sebastien
Reeber, 2015, Waterfowl Of North America, Europe, And Asia An
Identification Guide, Princeton and Oxford, Paris. (ISBN 13579108642)
Steve
Madge and Hilary Burn, 1992, Wildfowl An Identification Guide to the
Ducks, Geese and Swans Of The World,Christopher Helm, London. (ISBN
0-7136-3647-5)
Susan
Myers, 2009, A Field Guide To The Birds of Borneo, Talisman,
Singapore
Boonsong
Lekagul & Philip D.Round, 1991, A guide to the Birds of Thailand, Saha
Karn Bhaet Co., Ltd Bangkok
David R
Wells, 1999, Birds of The Thai Malay Peninsula Vol 1, Academic
Press, London UK
James A.
Eaton, Bas van Balen, Nick W. Brickle & Frank E. Rheindt, 2016, Birds
of the Indonesia Archipelago Greater Sundas and Wallacea, Lynx
Edicion, Bercelona
Medway
& David R Well 1976, The Birds of the Malay Peninsula Volume V:
Conclusion and Survey of Every Species, Broadwaterpress, England
Nils Van
Duivendijk 2011, Advance Bird Id Handbook The Western Paleartctic, New
Holland UK (ISBN 978 1 78009 022 1)
Pamela C.
Rasmussen 2012, Birds of South Asia, Lynx Edicions, Bercolona
(ISBN 978-84-96553-85-9)
Salim Ali
& S. Dillon Ripley, 1981, Handbook of the Birds of India and
Pakistan Volume 1 ,Oxford University Press , London
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