Antarctic petrels now join the most southerly bird colony on Earth. 南极雪海燕的领地在地球的最南方
They're the largest and most demanding wildernesses of all. 是最大、最荒凉的无人区
it's the most energy-saving way of flying. 这是最省力的飞行方式
and when it happens they must make the most of it. 一旦发生 它们必须尽可能地利用它
The flesh of this oryx will keep the family going for a week at the most. 这只长角羚的肉最多 能维持整个家族一星期左右
It's an event that only happens once or twice a year at the most. 而且一年最多也只发生1~2次
is now crucial to most of the animals that live or even travel through this land. 如今已关系到大部分 在此生活和旅行的动物
that for most of the year they would be unable to cross it. 它们一年中大部分时间都无法穿越这里
animals and plants have to be ready to make the most of it. 所有动植物都必须 做好准备尽量地利用它们
The guanacos make the most of the dew 原驼尽量舔吮露水