纪录片《我们的地球》 第243期 偏远岛屿(14)（在线收听）

Islands in warm tropical waters don't experience seasonal extremes.

地处温暖热带海域的岛屿无法体验极端的季节变化。

The Seychelles, lying off the coast of East Africa,

位于非洲东海岸的塞舌尔群岛，

provide a sanctuary for sea birds all the year round.

是海鸟们全年的庇护天堂。

Fairy Terns are permanent residents.

塞舌尔白燕鸥是这里的永久居民。

They take a fairly relaxed view about what constitutes a nest.

它们筑巢并不讲究。

A bare branch is quite enough.

一根光秃秃的树枝就足够了。

Climbing onto it to incubate has to be done with care.

不过爬上去孵蛋需要格外小心。

Once a year, the noddies arrive.

每年白燕鸥都会来一次。

They do make nests, and Pisonia trees provide their young with a rather less precarious start in life.

它们老实筑窝，腺果藤树能让小鸟的幼年过得安全一些。

Nesting on this island looks idyllic.

在这个岛上筑巢看起来几乎完美。

But behind the beauty, there's a sinister side.

但美丽的表象后也有危险的一面。