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。