they have had to adapt both their body and their behaviour in order to survive. 为了生存 他们必须从体型和行为上 充分适应环境
Yet, a few special animals manage to live here. 然而 仍有动物能够生活在这里
There are only fourteen peaks in the world that rise to over 8000 metres. 世界上超过八千米的山峰 只有十四座
to discover a spectacular but hostile word. 发现一个壮观但充满敌意的世界
but they are home to some of the most precious wildlife on Earth. 但它们仍是地球上某些珍贵动物的家园
It's her turn to do the feeding run. 轮到她外出捕食了
A strange vision of paradise to us, perhaps, 也许在我们看来 这样的天堂很奇怪
when you're trying to find your own nest. 这也会成为问题
he should be able to do it with his eyes closed. 闭着眼睛都能找到回巢的路
The father now has a two-mile walk to the nest, 这位父亲要走三公里的路才能到家