But first, each must find a mate. The males begin to serenade. 但是，首先每只企鹅必须找到自己的配偶。雄企鹅开始唱情歌。 And if a female replies, they pair up, posing like statues. 如果有雌企鹅回应，它们就结成一...
The team of whales work round the clock for the boom is short-lived. 时光短暂，座头鲸昼夜不停捕食。 Summer is already fading, and the whales will soon be forced north as winter returns. 短暂的夏天正逐渐消失，很快冬季又到...
Even at the height of summer, less than three per cent of Antarctica is free of ice, 即使是盛夏，南极洲也只有不到3％的地方没有被冰封 and nearly all of that exposed rock is found in one place, the Antarctic Peninsula. 几乎所有...
The snow petrels have arrived and are courting. 雪海燕来了，在这里求偶。 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 The birds have flown inland for over 300 miles to r...
Adelie penguins in a hurry. The clock is ticking. 阿德利企鹅行色匆匆。时钟滴嗒，时光飞逝。 Instead of waiting for the summer melt, the new arrivals hasten south over the frozen sea. 还没等到夏季解冻期的来临，这些鸟儿...
Both poles of our planet are covered with ice. 地球的两极都被冰覆盖着 They're the largest and most demanding wildernesses of all. 它们是最大、最荒凉的无人区 Nowhere else on Earth is seasonal change so extreme. 两极地区的季...
An adult locust eats its entire body weight every day. 成虫每天的进食量相当于自己的体重 And a whole swarm can consume literally hundreds of tonnes of vegetation. 而整团蝗虫云能消耗掉数百吨植物 They have to keep on movin...
A single shower can enable seeds that have lain dormant for 30 years or more to burst into life. 一场大雨使得在地下沉睡了30多年的种子迸发出生命的活力 And there hasn't been a bloom like this one for a century. 这里已有一个...
Waterholes are filled temporarily. 水坑里暂时填满了水 Elsewhere in Africa elephants drink everyday 非洲其它地方的大象每天都会喝水 but the lack of water here means that desert elephants can only refill their tanks once every fo...
The elephants have found some of their favourite food. 大象找到了一些它们最喜欢吃的食物 Grasses are the staple diet of all elephants, 草是所有大象的主食 but this herd concentrates on digging up the roots, 但这群象却忙着挖...
