Arctic terns, being true long-distance migrants, they nest in coastal wetlands of northern Europe but fly south for thousands of miles to spend the European winters in Antarctica.
北极燕鸥是真正的长途迁徙者，它们在北欧沿海湿地筑巢，但会向南飞行数千英里，在南极洲度过欧洲的冬季。
2
For many gulf coast gulls, terns and cormorants, this has been a lethal mistake.
对于生活在海岸边的海鸥、燕鸥和鸬鹚来说，选择错误的降落地点将带来致命的后果。
3
Arctic terns also follow a zigzagging route on their spring trips back to Greenland.