But some might be the ancestors of the Cambrian megafauna.

但是他们中的一些可能就是寒武纪大型动物的祖先。

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

但人类抵达后，这些巨型动物就消失了。

Not only are the cultural climate and actual climate in Texas right for exotic pet ownership, but tigers, unlike other endangered megafauna, actually breed really well in captivity.

不仅德克萨斯州的文化气候和实际气候适合饲养异国宠物，而且老虎与其他濒危大型动物不同，它们在圈养环境中繁殖得非常好。

They vary from the delight that megafauna provide those visiting a safari park to the more prosaic: pollinators fertilising crops; earthworms keeping the soil healthy.

包括大型动物为参观野生动物园的游客带来的愉悦，也包括一些更平淡的用处：传粉虫给农作物授粉，蚯蚓保持土壤健康。

Chatters said the Clovis people were known to be highly skilled hunters with a 10,000-year history of hunting megafauna over wide areas of territory.

查特斯说，克洛维斯人被认为是技艺高超的猎人，他们在广阔的领土上狩猎大型动物已有1万年的历史。

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

与此同时，附近的另一种大型动物，人类到来了。

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

在大型动物里，没有几种动物可以匹敌大象的魅力，这种魅力让大象很有政。

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

有了这些巨型动物光顾，牛油果树就能继续结果，继续结出更巨大的种子。

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，还有许多巨型动物鲸鱼、海豚和马林鱼跃出水面。

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巨型动物，为什么会有这么大的荒原，以及这些大迁徙。

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

但在短期看来，这些富有魅力的巨型动物面对的最大的障碍是我们。

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，巨型动物群占她饮食的96%，其中猛犸象约占总数的40%。

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

致力于保护引人好奇的大型动物的环保人士有理由担心海洋塑料污染的蔓延。

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

偶尔，巨型动物的尸体，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的大型动物也走向了灭绝。

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的大型动物的故事。

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

那正是所有伟大的冰河世纪大型动物灭绝的时候。

So it's like a marine megafauna superhighway.

这简直就像一条海洋巨型生物的高速公路。

People have asked, how come the megafauna got bigger?

人们常问，为何巨型动物会变得更大？

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

所以撞击是即时发生，这意味着大型动物会立即死亡。