FEW megafauna are more charismatic than elephants, and that charisma gives them political clout.

在大动物里，没有几种动物可以匹敌大象魅力，这种魅力让大象很有政治影响。

But some might be the ancestors of the Cambrian megafauna.

但是他们中一些可能就是寒武纪大动物祖先。

But most of these so-called megafauna disappeared once humans hit the scene.

但类抵达后，这些动物就消失了。

But in the short term, one of the biggest hurdles these charismatic megafauna face is us.

但在短期看来，这些富有魅力动物面对最大障碍是我们。

Conservationists intent on preserving charismatic megafauna have reason to lament the spread of plastics through the ocean.

致力于护引好奇大动物环有理由担心海洋塑料污染蔓延。

We've always wondered why Africa has the megafauna, why it has these great grand wildernesses, these great migrations.

我们一直想知道为什么非洲会有动物，为什么会有这么大荒原，以及这些大迁徙。

And with these megafauna around to eat the fruit, avocado trees could keep growing berries with increasingly massive seeds.

有了这些动物光顾，牛油果树就能继续结果，继续结出更大种子。

They littered the surface of the water and just so many megafauna whales and dolphins and marlin jumping out.

它们遍布水面，还有许多动物鲸鱼、海豚和马林鱼跃出水面。

This march of megafauna mortality coincides suspiciously with the arrival of another large animal in their vicinity: humans.

与此同时，附近另一种大动物，类到来了。

These hyper-productive, nutrient-rich  ecosystems support large populations of megafauna, like sharks, swordfish, and giant tuna.

这些高产、营养丰富生态系统养育着大量动物，如鲨鱼、旗鱼和金枪鱼。

Occasionally, the bodies  of megafauna, like whales, sink to the ocean floor.

偶尔，动物尸体，如鲸鱼，会沉入海底。

Even the megafauna across mainland Australia and Tasmania went extinct 42,000 years ago.

42,000年前，澳大利亚大陆和塔斯马尼亚大动物也走向了灭绝。

But, you know, this is more than just a story about some charismatic megafauna.

但这不仅仅是关于一些魅力十足大动物故事。

That's when all the great megafauna of the Ice Age went extinct.

那正是所有伟大冰河世纪大动物灭绝时候。

So it's like a marine megafauna superhighway.

这简直就像一条海洋生物高速公路。

People have asked, how come the megafauna got bigger?

们常问，为何动物会变得更大？

So the impact is immediate, which means immediate death of megafauna.

所以撞击是即时发生，这意味着大动物会立即死亡。

Hence the megafauna probably became extinct soon after humans reached Australia.

因此，动物可能在类到达澳大利亚后不久就灭绝了。

About a third of all marine megafauna eventually went extinct, so fewer prey species were available.

大约三分之一海洋动物最终灭绝了，因此可用猎物种类减少了。

The study showed megafauna made up about 96 percent of her diet, with mammoth accounting for about 40 percent of the total.

该研究表明，动物群占她饮食96%，其中猛犸象约占总数40%。