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|Noun||1.||genus Aythya - canvasback; redhead; pochard; etc. |
bird genus - a genus of birds
Anatidae, family Anatidae - swimming birds having heavy short-legged bodies and bills with a horny tip: swans; geese; ducks
Aythya valisineria, canvasback, canvasback duck - North American wild duck valued for sport and food
Aythya ferina, pochard - heavy-bodied Old World diving duck having a grey-and-black body and reddish head
Aythya americana, redhead - North American diving duck with a grey-and-black body and reddish-brown head