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Cotton Pygmy Goose, Cotton Teal, Nettapus coromandelianus, เป็ดคับแค

The Cotton Pygmy Goose or Cotton Teal (Nettapus coromandelianus) is a small perching duck which breeds in Asia, Southeast Asia extending south and east to Queensland where they are sometimes called white-quilled pygmy goose. They are among the smallest waterfowl in the world and are found in small to large waterbodies with good aquatic vegetation.

They are usually seen in pairs or larger groups of pairs, roosting and nesting on trees near water. They are strong fliers and are known to disperse widely, especially in winter. Their breeding season coincides with the rains.

Distribution and habitat
This species is widely distributed across Asia, its distribution extending to Australia. Population move in response to rain and water availability. Some populations disperse further in summer (and are found only seasonally, for instance in Afghanistan).

Winter dispersal is also wide and individuals have been seen as far west as Arabia, and Jordan and they are regularly found on islands in the region such as the Maldives and the Andamans.

They are found especially in lakes and ponds with emergent vegetation amid which they forage. They can be found even in small village ponds in South Asia. In Australia they are found mainly in lagoons.

They are said to roost on trees.

Range map from

Range map
Range map from - Ornithological Portal is one of those MUST visit pages if you're in to bird watching. You can find just about everything there

Range map from
Map with rough distribution ranges of the species in the genus Nettapus
By Shyamal - Own work based on Paul Johnsgaard's Ducks and geese of the world,

Taxonomy and systematics
The Cotton Pygmy Goose was first described and given a binomial name by Gmelin in 1789 who called it Anas coromandeliana. The French naturalist Buffon had called it Sarcelle de Coromandel.[7] It was then placed under Cheniscus before being relatively stably placed in the genus Nettapus within the tribe Cairinini that includes other perching ducks.

It is one of three species in the genus, noted for sexual dimorphism, and is the only species in which there is a marked difference in the non-breeding plumage of the males. Two subspecies are recognized. The nominate form is found in India, Asia extending east to New Guinea.

The population in eastern Australia is placed in the subspecies albipennis (first described by Gould in 1842). It is marginally larger in dimensions.

Small individuals of this species are the smallest waterfowl on earth, at as little as 160 g and 26 cm. The goose-like bill is short and deep at the base. Males have a dark brown forehead and crown and a blackish green broad collar at the base of the neck. The sides of the head and neck are whitish.

The back, wing coverts and scapulars are dark brown with green and purple gloss. The female has a duller cap and a brown line through the eye. The collar is replaced by spots and the face is flecked and neck finely vermiculated unlike the male.

The non-breeding or eclipse male resembles the female except that it has the broader white wing band. In flight the male has dark wings with white flight feathers tipped in black. The female has dark wings and a white trailing edge to the secondaries and a few inner primaries.

They have a red iris and black legs (greenish in breeding males) and bill.

Downy chicks have white superciliary stripes that meet at the back of the head which is black. A short dark eye stripe is present on the whitish face. The upperside of the neck is grey. The mantle is grey brown and two white patches are present on the scapulars. The tail is dark grey to black. The underside is buff.

The hind toe is narrowly lobed. The nostril is small and oval and opens close to the base of the commissure of the bill.

Length: 38 cm
Weight: 380 - 439 g
Distinctive Feature

Similar Species

From opus at the forum for wild birds and birding.
Female / Male / Juvenile

• Female Lacks black collar
• Eclipse male Similar to female and White wing bar

From opus at the forum for wild birds and birding.

Listen to the Cotton Pygmy Goose

Behaviour and ecology
Several pairs of the bird may forage in close proximity on a single waterbody. Large flocks form in winter and a flock of nearly 6000 was recorded at Chilka lake. This species feeds mainly at the surface of the water.

Stomach analysis showed that they fed on small fishes Puntius, Mystus, Oryzias, molluscs, crustaceans, insect larvae as well as plant matter from species such as Ipomoea, Hydrilla and Ruppia.

They do not dive or up-end and take to flight from the water surface without having to run or patter on the surface. They fly swiftly, often low over water, and are agile enough to escape falcons.

Courtship displays are largely undocumented but a post-copulatory display involves the male arching neck, displaying the white neck feathers and the white wing patches. They pair up during the breeding season which is mainly during the rains (monsoons in June–August India and January to March in Australia) and build their nests mainly in natural tree hollows, such as tree trunks.

The males assist in locating nests but incubation is thought to be by the female alone which lays 6 to 12 ivory-colored eggs per clutch. The nest may as high as five metres from the ground and chicks leap off to follow their parents into water. Larger clutches have been recorded and are thought to be due to intraspecific brood-parasitism.

Rock pythons have been recorded preying on cotton teal. Plasmodium circumflexum was found in their blood of a specimen examined in Bangladesh. Three species of parasitic cestode Hymenolepis smythi, H. fista and Retinometra fista are known from hosts of the species.

The trematode Cyclocoelum sp. was recorded as a parasite in Queensland. Paramonostomum thapari was described from a cotton teal.

In culture
They were hunted with shotguns especially in British India, although they were not considered particularly good eating. Eggs were collected for food and the birds were sold in large numbers in the birds markets of Calcutta in the 19th century.

Fishermen in the Sunderbans set up twenty-foot high nets and drove birds on the water toward the nets before alarming them and getting them to fly into the nets.

Injured birds were noted to submerge and hide themselves with only the head or bill out of water. In Burma, birds have been recorded nesting within buildings. Sir Harcourt Butler noted a nest at a height of 21 m under the eaves of the roof of the residence of the governor in Rangoon.

Hume noted that the numbers of migratory ducks sold in the Calcutta markets declined over ten years but not those of the cotton teal. He also noted their tameness, dabbling about within ten yards of a village washerman noisily thrashing clothes.

The Sinhala name of mal saar or flower teal is based on the colours and possibly the habitat of lily-covered ponds. Many native names (such as lerreget-perreget) are onomatopoeic. The name "cotton teal" was used by Europeans near Bombay who noted that the bird had a lot of white feathers.

They produce a low quacky call which has been likened to quacky duck, quacky duck or fixed bayonets (in British India). Samuel Tickell recorded a Kol name from Singhbum of Merom-derebet, merom being a goat and the call likened to a bleat.

Conservation status
Cotton Pygmy Goose, Cotton Teal, Nettapus coromandelianus, เป็ดคับแค
Least Concern (IUCN 3.1)
IUCN Red List of Threatened Species. 2012. Retrieved 26 November 2013.

From Wikipedia, the free encyclopedia
From Wikipedia, the free encyclopedia

Sighted: (Date of first photo that I could use) 25 May 2020
Location: Praek Nam Daeng, Samut Songkhram

Cotton Pygmy Goose, Cotton Teal, Nettapus coromandelianus, เป็ดคับแค
Cotton Pygmy Goose / เป็ดคับแค - 25 May 2020 - Praek Nam Daeng, Samut Songkhram

Cotton Pygmy Goose, Cotton Teal, Nettapus coromandelianus, เป็ดคับแค
Cotton Pygmy Goose / เป็ดคับแค - 9 August 2020
eBird hotspot: Wat Bang Noi Nai (Bang Noi Nai Temple), Nakhon Pathom

Cotton Pygmy Goose, Cotton Teal, Nettapus coromandelianus, เป็ดคับแค
Cotton Pygmy Goose / เป็ดคับแค - 9 August 2020
eBird hotspot: Wat Bang Noi Nai (Bang Noi Nai Temple), Nakhon Pathom

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