These elephant bird eggs were huge.

这些象鸟蛋非常大。

I mean that's why they're called elephant birds, right?

这就是为什么它们被称为“象鸟”，对吗？

So, like, elephant birds, may have been the largest bird that ever lived.

象鸟可能是有史以来最大的鸟类。

This is elephant bird expert and paleontologist James Hansford … Just absolute titans of the bird world.

这是象鸟专家詹姆斯·汉斯福德，他也是古生物学家… … 绝对是鸟类世界的巨人。

Scientists have debated the elephant birds family tree since their discovery in the 1800s.

自从19世纪发现象鸟族谱以来，科学家们就一直在争论。

Elephant birds lived in Madagascar. They seem to have been mostly herbivorous. None of them flew.

象鸟生活在马达加斯加。它们似乎主要以食草为生。它们都不会飞。

And unlike elephant bird bones, the eggs are easy to find.

与象鸟的骨头不同，蛋反而很容易找到。

And there's a lot of eggshell to pick from. These elephant bird eggs were huge.

有很多蛋壳可供挑选。这些象鸟蛋很大。

Today we're homing in on the heaviest bird to set its scaly foot down on planet Earth: the elephant bird.

今天我们要关注的是将其布满鳞片的爪子踩在地球上的最重的鸟: 象鸟。

Experts with Christie’s say elephant bird eggs are even larger than dinosaur eggs.

佳士得的专家表示， 象鸟蛋比恐龙蛋还要大。

The very big elephant birds were females, and the slightly smaller ones were the males, we think.

我们认为，非常庞大的是雌性象鸟，稍微小一点的是雄性象鸟。

She worked with James and other colleagues to answer some basic questions about elephant birds, such as: Who are they related to?

她与詹姆斯和其他同事一起回答了有关象鸟的基本问题，比如：它们是哪种动物的亲属？

So, like, elephant birds, may have been the largest bird that ever lived.

Ksepka：所以，象鸟一样，可能是有史以来最大的鸟。

It is only a little smaller than the eggs of the large elephant birds of Madagascar, which died off some time ago, scientists said.

科学家表示它只比马达加斯加的大隆鸟蛋们稍微小一点，而那些隆鸟蛋前一段时间已经相继死去。

Lichtman: Scientists have debated the elephant birds family tree since their discovery in the 1800s .

Lichtman：自从 1800 年代发现象鸟以来，科学家们一直在争论象鸟的家谱。

Lichtman: These different lineage s—the ostriches, the rheas, the elephant birds—split roughly when Gondwana did.

Lichtman：这些不同的谱系——鸵鸟、美洲鸵、象鸟——在冈瓦纳古文明时期大致分裂了。

Surprising because it means that each of these big flightless birds-the elephant bird group included-seemed to take its own winding path to flightlessness and bigness.

令人惊讶，因为这意味着每一种不会飞的大型鸟——包括象鸟在内——似乎都经历了变得不会飞、变得更大的曲折道路。

And she used that DNA to try to figure out if those extra, extra-large elephant birds were their own species or not.

她利用这些DNA试图弄清楚那些超大型号的象鸟是否属于这个物种。

So, yeah, elephant birds help change the way we think about the evolution of all birds, really.

Grealy：所以，是的，象鸟帮助改变了我们对所有鸟类进化的看法，真的。

Lichtman: Elephant birds lived in Madagascar .

Lichtman：象鸟生活在马达加斯加。