brazilian merganser发冠秋沙鸭
Auckland Merganser奥克兰秋沙鸭
Mergus merganser普通秋沙鸭
breasted Merganser红胸秋沙鸭
Merganser serrator红胸秋沙鸭
Common Merganser普通秋沙鸭;秋沙鸭;川秋沙
Hooded Merganser镜冠秋沙鸭;冠顶秋沙鸭
American merganser北美秋沙鸭
N（名词） any of several typically crested large marine diving ducks of the genus Mergus, having a long slender hooked bill with serrated edges 秋沙鸭 (Also called sawbill) → see also goosander