A They've sensed there's food around, 它们感觉到附近有食物
These endangered birds are visitors. They've come down from the north to escape the even colder conditions in Siberia. 这些濒临灭绝的鸟儿从更加寒冷的西伯利亚来访
For months they've been scattered over huge areas, clinging to existence around tiny water holes. 这些动物曾接连数月 守着零落四方的小水坑 过着艰难的生活
They've been searching for days without a sign. 这些狼虽觅食多日 但一无所获
They've come to make the most of the brief flush of food and to produce their young. 它们来寻找美食和繁衍后代
But the skuas have not chanced upon the petrels, they've been waiting for them. 但是贼鸥碰到海燕并非机遇使然, 它们早就等着下手
Since the last Ice Age they've become cut off from the outside world. 自从上一个冰川期以来 它们便已和外界隔绝
Collectively they've worn down mountains 它们共同抚平高山
A day in a Gelado's life reveals how they've risen to the challenge. 下面将向你展示狮尾狒全天的生活 看看它们如何面对挑战