Nettapus coromandelianus, Cotton Pygmy Goose, Trutu Hijau

Written by on November 19, 2010 in Indonesia Bird with 0 Comments

Nettapus coromandelianus, Cotton Pygmy Goose, Trutu Hijau

The Cotton Pygmy GoNettapus coromandelianus, Cotton Pygmy Goose, Trutu Hijauose or the Cotton Teal,[2] Nettapus coromandelianus is a small perching duck which breeds in India, Pakistan, southeast Asia and south to northern Australia. It is locally known as Girri, Girria, Girja (Hindi); Gurgura (Etawah); Bali hans (Bengal); Bhullia hans (Bangladesh); Dandana (Orissa); Ade, Atla (Ratnagiri); Naher, Keeke, Chuwa (Nowgong, Assam); Baher, Kararhi (Sind, Pakistan).
Small examples are the smallest waterfowl on earth, at as little as 160 g (5.5 oz) and 26 cm (10.5 in). White predominates in this bird’s plumage. Bill short, deep at base, and goose-like.

Male in breeding plumage is glossy blackish green crown, with white head, neck, and underparts; a prominent black collar and white wing-bar. Rounded head and short legs. In flight, the wings are green with a white band, making the male conspicuous even amongst the huge flying flocks of the Lesser Whistling Duck, which share the habitat. Female paler, without either black collar and only a narrow or nonexistent strip of white wing-bar. In non-breeding plumage (eclipse) male resembles female except for his white wing-bar. Flocks on water bodies (jheels), etc.

Call: A peculiar clucking, uttered in flight
Distribution

It is largely resident, apart from dispersion in the wet season, but Chinese birds winter further south. It nests in tree holes, laying 8-15 eggs.

This is an abundant species in Asia, although the slightly larger Australian race appears to be declining in numbers.

Found on all still freshwater lakes (jheels), rain-filled ditches, inundated paddy fields, irrigation tanks, etc. Becomes very tame on village tanks wherever it is unmolested and has become inured to human proximity. Swift on the wing, and can dive creditably on occasion.
Food

Chiefly seeds and vegetable matter, especially water lilies; also insects, crustaceans, etc.
Nesting

Season- July to September (SW. monsoon). Nest- a natural hollow in a tree-trunk standing in or near water, sometimes lined with grass, rubbish and feathers. Eggs- 6 to 12, ivory white.

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