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.
英
美
- 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
