Branta bernicla

同根派生

Any of several small,dark wild geese of the genus Branta that breed in arctic regions,especially B. bernicla,having a black neck and head.
黑雁，属小型黑色野鹅，产于北极地区，尤指黑雁属，具有黑色的颈和头。
Any of several small, dark wild geese of the genus Branta that breed in arctic regions, especially B. bernicla, having a black neck and head.
黑雁一种黑雁属小型黑色野鹅，产于北极地区，尤指黑雁属，具有黑色的颈和头
A common wild goose(Branta canadensis) of North America, having grayish plumage, a black neck and head, and a white throat patch.
黑额黑雁：北美洲的一种普通野鹅（黑额黑雁），长有淡灰色羽毛、黑色的头和颈以及白色的喉部斑
A waterfowl(Branta leucopsis) of northern Europe and Greenland that breeds in the Arctic and has a white face with a black streak between the eyes and bill.
黑雁：欧洲北部和格陵兰岛的一种（白颊黑雁黑雁属）的水禽，在北极繁殖，有白色面孔，眼和喙之间有黑条纹
1. Any of several small, dark wild geese of the genus Branta that breed in arctic regions, especially B. bernicla, having a black neck and head.
黑雁：一种黑雁属小型黑色野鹅，产于北极地区，尤指黑雁属，具有黑色的颈和头