In the chaos a calf is separated from its mother. 混乱中一只小鹿与它的母亲失散了
Running directly at the herd is a ploy to generate panic. 直冲向鹿群是一种制造恐慌的战术
This is the longest overland migration made by any animal. 这是动物界中最长的陆地迁徙
for a few miles from the coast the ice is already splitting. 离岸几英里远的海面上 冰层已经开始崩裂
That is where she hunts for the seal she needs to feed her cubs. 而母熊则需要在那里捕杀海豹 喂养幼熊
but this steep slope is not the easiest place to take your first steps. 但在这个陡峭的斜坡上 踏出第一步可不太容易
There is no food and no water for them, 它们没有食物 也没有水
Surely no greater ordeal is faced by any animal. 这绝对是动物们经受过的最严酷的考验