| aythya | (n) canvasback; redhead; pochard; etc., Syn. genus Aythya |
| canvasback | (n) North American wild duck valued for sport and food, Syn. Aythya valisineria, canvasback duck |
| greater scaup | (n) large scaup of North America having a greenish iridescence on the head of the male, Syn. Aythya marila |
| lesser scaup | (n) common scaup of North America; males have purplish heads, Syn. Aythya affinis, lesser scaup duck, lake duck |
| pochard | (n) heavy-bodied Old World diving duck having a grey-and-black body and reddish head, Syn. Aythya ferina |
| redhead | (n) North American diving duck with a grey-and-black body and reddish-brown head, Syn. Aythya americana |
| 金黒羽白 | [きんくろはじろ;キンクロハジロ, kinkurohajiro ; kinkurohajiro] (n) (uk) tufted duck (Aythya fuligula) [Add to Longdo] |
| 鈴鴨 | [すずがも;スズガモ, suzugamo ; suzugamo] (n) (uk) greater scaup (species of diving duck, Aythya marila) [Add to Longdo] |