您要查找的是不是:
- An Old World duck (Aythya fuligula) having a short, plump body and a crest on its head, the male of which has mostly black plumage. 凤头鸭:一种体短、肥胖,头带羽冠的欧洲鸭(凤头潜鸭),雄性凤头鸭大都长有黑色羽毛
- Aythya fuligulan. 凤头潜鸭
- A North American wild duck(Aythya valisineria) having a reddish-brown head and neck and a whitish back. 帆布背潜鸭一种北美野鸭(帆背潜鸭),头颈呈红褐色,背呈浅白色
- A North American wild duck(Aythya valisineria)having a reddish - brown head and neck and a whitish back. 帆布背潜鸭一种北美野鸭(帆背潜鸭),头颈呈红褐色,背呈浅白色
- North American wild duck (Aythya valisineria) having a reddish-brown head and neck and a whitish back. 帆布背潜鸭:一种北美野鸭(帆背潜鸭),头颈呈红褐色,背呈浅白色
- Any of various diving ducks of the genus Aythya,especially A. ferina of Europe and Asia,which has gray and black plumage and a reddish head. 潜鸭,一种潜鸭属潜水鸭,尤指产于欧洲和亚洲的红头潜鸭,它有灰黑色的羽毛和浅红色的头。
- Any of various diving ducks of the genus Aythya, especially A. ferina of Europe and Asia, which has gray and black plumage and a reddish head. 潜鸭一种潜鸭属潜水鸭,尤指产于欧洲和亚洲的红头潜鸭,它有灰黑色的羽毛和浅红色的头
- Lesser Scaup Aythya affinis, Northern Pintail Anas acuta, and several sea ducks are showing troubling declines, but most geese are increasing dramatically and many ducks have held steady. 一些鸟类如针尾鸭和海鸭等的数量仍然在下降,但是大多数雁类的数量都有了明显增加,很多鸭子的数量也保持稳定。
- Aythya 潜鸭属
- Aythya ferinan. 红头潜鸭
- Aythya nyrocan. 白眼潜鸭
- Aythya baerin. 青头潜鸭
- Aythya marilan. 斑背潜鸭