And occasionally we still find whales with the vestiges of tiny hind limbs.

并且我们偶尔仍能发现鲸鱼残留着微型后肢。

Where oysters are small and strange looking, whales are huge and majestic.

牡蛎小且长相奇异，但是鲸鱼（whales）巨大且雄伟。

In the depths, something stirs. Humpback whales.

水里有动静。座头鲸！

In the wild, orcas live in groups of whales called pods.

在野外，虎鲸通常以“群居”的方式生活。

And sometimes whales will beach themselves intentionally or accidentally while they're even still alive.

而有时鲸鱼甚至在它们还活着的时候就会有意或无意地把自己搁浅在海滩上。

The only animals on earth more massive than whale sharks are whales.

世界上一一种比鲸鲨大的动物就是鲸鱼。

Some whales build up waxes, along with lipids and keratin protein into what's called earplugs.

有的鲸会产生鲸蜡、油脂和角蛋白，组成被称为“耳塞”的东西。

What happened to the whales during this period?

这个时期鲸鱼类怎样呢？

In all, seven baby whales have been spotted so far this year.

到目前为止，今总共发现了 7 头幼鲸。

His mission, to use the latest research methods to protect the whales.

他的任务是利用最新的研究方法保护鲸鱼。

And there is two whales right there.

那里有两条鲸鱼。

Most mammals live on land but some such as whales and dolphins live in water.

大多数的哺乳类动物生活在陆地上，例如鲸和海豚生活在水中。

But we also see the negative impact of plastic, like whales dying.

但是我们同样看到塑料的负面影响，就像鲸鱼死亡。

Life has come full circle for two beluga whales in Iceland.

在冰岛，两头白鲸的生活圆满了。

We can see we see fin whales, humpbacks, minkes...the occasional blue whale.

我们可以看到长须鲸、座头鲸、小须鲸......偶尔会看到蓝鲸。

Sperm whales hunt down these beasts, but they certainly can fight back.

抹香鲸会捕杀这些巨兽，但它们当也会反击。

Humpback whales have fascinated scientists for years.

座头鲸多来一直吸引着科学家们的研究。

And that begs the question - what if current day whales had legs?

这就产生了一个问题，如果当今的鲸鱼有腿的话会怎么样呢？

The remains of other dead whales, litter the shores.

海岸上散落着鲸鱼的残骸。

You just don't think of whales as things that snap.

你觉得鲸鱼不会被扯断？