听力文本

There's so much at stake that not all play fair.
这类决斗非常危险，而且并不总是公平的
The battle has produced a winner.
这场战斗已经分出了胜负
But the ultimate prize is not his yet.
但是最后的奖品仍然不属于它
That currently belongs to the dominant male ibex.
它通常属于拥有统治权的公羊
His rank earns him the loyalty of a harem of females
它的地位为它赢得了一群忠诚的母羊，
and they follow him closely as he travels across this desert searching for food and water.
它们一起紧跟着它穿越沙漠寻找水和食物

He doesn't have to waste time looking for mates, they're his for the taking.
它不必浪费时间寻找配偶，它们都是它的妻子。
So he can concentrate with them on keeping fit and healthy.
所以它要做的只是保证它们健康精壮。
Lizards are desert specialists. But here, their numbers are extraordinary.
蜥蜴是沙漠专家。在这里，它们的数量多得惊人。
These crevices in South Africa contain the highest density of lizards in the world.
非洲南部的这些岩缝中容纳着世界上最大的蜥蜴群
They're called flat lizards, for obvious reasons,
它们叫做扁石蜥——因为显而易见的原因
and they flaunt their multicoloured bellies in territorial disputes.
它们炫耀自己五颜六色的腹部，是为了争夺领地
He's made his point and now it's time to find some food.
它赢了，现在该是寻找食物的时候了。

视频及简介

陆地的表面大约30%部分是沙漠，这些地区虽然严重缺水，生态系统却异常的多样。揭开沙漠地区的生存秘密，体验这种动态系统中短暂的自然本性。