- Frigates are the world's lightest bird, relative to their wingspan
阿森松军舰鸟是世界上最轻的海鸟之一 翼展特别长 - and they can soar for weeks on end with minimal effort.
它们只需要很小的付出就能在海上飞行好几个星期 - They seem much more at home in the skies, than in a crowded colony on land
相对于地上拥挤的巢穴, 在天上飞就悠然自得多了 - but nest, they must.
不过筑巢是必须的 - They come from all over the Atlantic to this, their only colony.
它们从大西洋各处飞来,全部聚居在这个岛上 - There are boobys here, too.
这里还有憨鲣鸟 - To raise their young, seabirds worldwide seek such remote islands.
为了生儿育女 全世界的海鸟们才来找这种偏僻的小岛
but nest, they must. 不过筑巢是必须的
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