Yeah, but they were ... they were killed off before Europeans arrived in New Zealand.

对，不过在欧洲人到新西兰以前，恐鸟就被杀绝了。

Then there was the Haast's eagle, the largest eagle ever known to exist. It hunted the moa.

还有哈斯特巨鹰，这是已知在过的型的鹰。它捕猎恐鸟。

Another famous New Zealand bird is the 3.6-metre-tall moa. These flightless birds were the biggest birds that ever lived.

另一种新西兰知名鸟类是3.6米高的恐鸟。这类不会飞的鸟是现的鸟。

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。它把喙当作斧头来捕猎。

Number eight is the Mount Owen Moa Foot.

第八名是欧文恐鸟山脚。

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天所知的鸟类。

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

与多数其他鸟类不同，恐鸟头骨中的许多骨头完全融合在一起。

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

Lichtman：恐鸟约在 4500 万年前飞到现场。

That's because, other than terror birds, there weren't a lot of large predators in South America.

那是因为，除了恐鸟，南美洲并没有很多型食肉动物。

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

所以他和一些同事研究了巨型恐鸟的头骨，他发现了一些非常奇怪的东西。

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

Lichtman：Dino是阿根廷的一名鸟类古生物学家，他与恐鸟有着特殊的关系。

And there were the terror birds, which rose to become the continent's top predator after the extinction of the dinosaurs.

还有恐鸟，它在恐龙灭绝后崛起成为陆的顶级掠食者。

The story of the terror bird invasion actually begins nearly 145 million years ago, at the start of the Cretaceous Period.

恐鸟入侵的故事实际上始于将近 1.45 亿年前的白垩纪初期。

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。

As it turned out, the taloned hand belonged to a moa, an extinct type of flightless bird capable of standing 3.6 meters high.

事实证明，爪子手属于恐鸟，一种灭绝的不会飞的鸟，能够站立 3.6 米高。

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

德格朗日：在鸟类的整个历史中，没有其他鸟类，无论是现的还是化石的，都占据了这种超级捕食者的位置——只有恐鸟。

It's called ornithophobia.And someday it will be recognized as a true disability, and the landlord will be required by law to put a giant net over the building.

这叫恐鸟症 而且总有一天 恐鸟症会被视为一种残疾 房东必须按照法律规定给这栋楼加一张网。

Now, on its home turf, terror birds had plenty of prey to choose from, because most mammals in South America were herbivores.

现在， 恐鸟在它的主场上有量的猎物可供选择，因为南美洲的多数哺乳动物都是食草动物。

Then, around the beginning of the Pleistocene Period, the outlook for the terror birds got even worse, when the climate began to change.

然后，约在更新世初期，当气候开始发生变化时，恐鸟的前景变得更糟。

Which is not how I want to go Since these are the closest living analogues to terror birds, paleontologists think the extinct giants might have used the same techniques.

这不是想要的方式因为这些是接近恐鸟的现类似物，古生物学家认为已经灭绝的巨人可能使用了相同的技术。