You know, there is the passenger pigeon.

例如旅鸽。

Scientists offered new hope for bringing back extinct species like the passenger pigeon.

科学家们对于使像信鸽这样的灭绝物种复活提出了新希望。

Once upon a time there were thousands of beautiful birds called passenger pigeons.

从前，有成千上万的美丽的鸟，叫做旅鸽。

You know, we are working on everything from the woolly mammoth, as some of you may know, to the passenger pigeon.

我们研究很多生物，你们中的一些人可能知道，大到猛犸象，小到旅鸽。

The passenger pigeon, then, is now what we would describe as " extinct" (extinct).

那么，旅鸽现在就是我们所说的“灭绝”（extinct）。

We turn now to our second topic, the passenger pigeon.

我们现在转向第二个话题，旅鸽。

Instead, more recent extinct animals, like the passenger pigeon that lived in the 19th century will be resurrected.

相反， 最近灭绝的动物，比如生活在 19 世纪的旅鸽， 将会复活。

See, the passenger pigeons that scientists are trying to bring back won't be exact copies of the originals.

看吧，科学家们试图带回的旅鸽不会是原鸽的精确复制品。

So, we'd end up with passenger pigeon 2.0 -- not the real thing, but the closest possible.

所以，我们最终得到了旅鸽 2.0——不是真正的东西，但可能是最接近的。

The passenger pigeon was not very big.

旅鸽不是很大。

What the passenger pigeon used to call home has now been replaced with houses, malls, and highways.

旅鸽曾经称之为家的地方现在已经被房屋、商场和高速公路所取代。

Instead, scientists would need to create a hybrid bird using the passenger pigeon's closest living relative, like the band-tailed pigeon.

相反， 科学家需要利用旅鸽现存的近亲，如带尾鸽， 创造出一种杂交鸟类。

I've had the really great pleasure of restoring the passenger pigeon and it's really electric to be face-to-face with a creature that has gone extinct.

我非常高兴能修复旅鸽，能和一种已经灭绝的生物面对面真是太激动了。

In 1914 the last known passenger pigeon died.

1914 年，最后一只已知的旅鸽死去。

We're also going to talk about something called the " passenger pigeon." And as always, we'll answer a few of your questions.

我们还将讨论一种叫做“旅鸽” 的东西。一如既往，我们将回答您的一些问题。

Simply put, this would work by changing the band-tailed pigeon's genome so that it has a few traits of the passenger pigeon.

简而言之，这可以通过改变带尾鸽的基因组使其具有旅鸽的一些特征来实现。

In fact, the date of the last passenger pigeon to die in North America was September first, 1914.

事实上，北美最后一只旅鸽死亡的日期是 1914 年 9 月 1 日。

A " passenger pigeon" (pigeon) is a type of bird that was very popular in North America until the early part of the twentieth century.

“旅鸽”（pigeon）是一种直到二十世纪初才在北美非常流行的鸟类。

When the French were in North America during the sixteenth and seventeenth centuries, there were hundreds of millions of passenger pigeons all around them.

十六、十七世纪法国人在北美的时候，周围有数以亿计的旅鸽。

But in the early 1900s, the near extinction of the American bison and the total extinction of other species like the passenger pigeon inspired zoos to rebrand as centers for conservation.

但在 20 世纪初，美洲野牛的濒临灭绝和旅鸽等其他物种的完全灭绝促使动物园重新塑造为保护中心。