Terror birds do not follow the general rules of birds.

恐怖鸟并不遵循鸟类的一般规则。

Terror birds flew onto the scene around 45 million years ago.

恐怖鸟大约在 4500 万年前出现。

That's why they are " terror birds."

这就是它们被称为 " 恐怖鸟" 的原因。

Let me introduce you to our terror bird expert.

让我来介绍一下我们的恐怖鸟专家。

I even have a tattoo of a terror bird.

我都把恐怖鸟纹在身上了。

Terror birds do not follow the general rules of, of birds. They use the beak as an axe to kill prey.

恐鸟不遵循鸟类的一般规律。它们把喙当作斧头来捕猎。

Terror birds are bizarre birds, full of exclusive features and rare features that may make them even more strange, more unique.

恐怖鸟是一种奇异的鸟类——它们充满了独有而罕见的特征，而这使它们更加奇异更加独特。

Dino is an avian paleontologist in Argentina, and he has a special relationship with terror birds.

迪诺是阿根廷的鸟类古生物学家，他和恐怖鸟有着特殊的联系。

But Dino's research shows that it's different for big terror birds.

但迪诺的研究表明，大型恐怖鸟的情况有所不同。

And they got their name, terror birds, because they are, once again, f—ing terrifying.

得名“恐怖鸟”，因为它们——还要再说一次——太特么令人毛骨悚然了。

So he and some colleagues studied the skulls of giant terror birds and they found something strange.

于是他和几个同事研究了巨型恐怖鸟的头骨，并发现了奇怪的东西。

There were other ungulates that were around, like small horses, that perfectly fit in the prey for a large terror bird.

当时还有小马等一些有蹄类动物，而它们完全符合大型恐怖鸟的猎物标准。

I'm squawking about one of the most frightening birds to ever peck out a place on planet Earth: the terror bird.

我要说的是地球上有史以来最可怕的鸟之一：恐怖鸟。

No other birds, extant or fossil, in the whole history of birds, occupy the niche of this hyper-predator — only the terror birds.

在鸟类整个历史上，无论是现存鸟类还是化石鸟类，都没有鸟占据过这种超级掠食者的位置——只有恐怖鸟。

Lichtman: Terror birds flew onto the scene around 45 million years ago.

Lichtman：恐鸟大约在 4500 万年前飞到现场。

Other clues about how terror birds hunted come from birds we know today.

关于恐鸟如何被猎杀的其他线索来自我们今天所知的鸟类。

And this included the terror birds.

这包括恐怖鸟。

And unlike most other birds, many of the bones in terror birds' skulls were totally fused together.

与大多数其他鸟类不同，恐鸟头骨中的许多骨头完全融合在一起。

So, the invasion of the terror birds turned out to be brief -- less than three million years.

所以，恐鸟的入侵是短暂的——不到三百万年。

Lichtman: And they got their name, terror birds, because they are, once again, f—ing terrifying.

Lichtman：他们得到了他们的名字，恐怖鸟，因为他们再次非常可怕。