A two-ton wombat, a thousand-pound kangaroo, and a 500-pound bird now known as Genyornis newtoni were spread across the continent.

2吨重的袋熊、1000磅的袋鼠及500磅重现在名为牛顿的鸟，在当时的大陆上随处可见。

For millions of years, a gigantic, flightless, carnivorous bird called Titanis was possibly the most ferocious creature in North America.

有几百万年时间，一名叫“鸟”的不会飞的食肉大鸟可能是北美最凶猛的动物。

The swans' nest never breaks apart even when giant birds fiercely attack it because the swans will fight back all together.

即使遭受鸟的猛烈攻，天鹅的巢仍然固若金汤，因为天鹅们会合力反入侵。

Which is why researchers set out to look for proof that human predation played a role in the demise of Genyornis.

因此研究人员们搜集证据，希望找出远古人类的捕猎对鸟灭绝产生的影响。

Mayr and others described the giant bird in a paper released this week.

梅尔和其他人在本周发表的一篇论文中描述了只鸟。

The great bird began writhing around, trying to shake off her invisible attacker.

鸟开始剧烈扭动，试图甩掉那看不见的袭。

It flew with the slow, spread-wing heaviness of a full load—like a giant bird coming to its nest.

它带着满载的缓慢展开的翅膀沉重飞行——就像一只鸟归巢。

These giant birds that they bred, they made them bigger and bigger and bigger until they could carry these big passenger tubes.

他们培育的些鸟，体型越养越大，大到能够承载些大型乘客舱。

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.

并不是我想走的路， 因为些现存生物与恐怖鸟最为相似，古生物学家认为些已灭绝的鸟可能使用了相同的技术。

He turned, shook his shaggy head to get the hair out of his face and gave an odd, shrieking cry that echoed through the dark trees like the call of some monstrous bird.

他转过身，摇摇脑袋甩开挡在脸上的头发，发出一古怪的、尖厉的叫声，在幽暗的林子里回响，像是鸟的呜叫。

For a moment, her form shifted, flickering back and forth between a giant bird and a long-tailed monkey, but the coins created a weird static and finally she gave up.

有那么一会儿， 她的身形发生了变化， 在一只鸟和一只长尾猴之间来回闪烁，但硬币产生了一奇怪的静电， 最后她放弃了。