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cotton pygmy goose
The cotton pygmy goose or cotton teal (''Nettapus coromandelianus'') is a small perching duck which breeds in Pakistan, India, Bangladesh, southeast Asia and south to northern Australia.
==Description==
Small individuals of this species are the smallest waterfowl on earth, at as little as and . 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.
The call is a peculiar clucking, uttered in flight
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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