文字稿:

You might think standing out in the wild would work against you.

But for flamingos, it's the pinker and older birds who seem to be the key individuals in the flock.

That's the conclusion reached by researchers in Britain. They are trying to understand the animals in order to help them thrive in captivity.

Four of the six remaining species of flamingo are threatened with extinction. Many of their wetland habitats are being affected by mining.

Vocabulary 词汇:

standing out 显眼

flock 鸟群

thrive 茁壮成长

extinction 灭绝

wetland 沼泽地，湿地