perching duck

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perching duck

any of the species of the tribe Cairinini, family Anatidae (order Anseriformes), waterfowl that typically inhabit wet woodlands, nest in holes in trees, and perch on branches by means of their long-clawed toes. The tribe is widely represented, especially in the tropics. Perching ducks are closely akin to dabbling ducks, which they resemble in feeding habits and, in some species, courtship behaviour; in other respects they are like shelducks. Some possess a bony knob at the wing bend, and most forms show white wing patches and black wing linings. Drakes are larger than hens and, on the whole, more brightly patterned-sometimes in metallic colours

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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