Imagine you're a finch on a Galapagos island.

想象你是加拉帕戈斯岛上的一只。

My teachers were always telling not to finch it.

我的老师告诉我别去挠它。

Sanders and the bird, a house finch, stared at each another for several moments.

就这样，桑德斯与这只小鸟对视了几秒钟。

Flocks of swallows, finches, and countless other birds feast on grass seeds and insects.

成群的燕子、类和无数其他鸟类以草籽和昆虫为食。

And zebra finch birds slow their songs and use higher tones to communicate with young.

斑胸草歌声，用更高的音调与幼鸟交流。

When Darwin got to the Galapagos Islands, he actually wasn't that interested in the finches.

达尔文到达加拉帕戈斯群岛时，其实对类并不感兴趣。

We think this evolved because the finches likely started picking off the parasites on the boobies.

我们认为这种进化是因为鸟很可能最初是啄食鲣鸟身上的寄生虫。

The beak shapes of different species of Galapagos finches played an important part in Darwin's conception of natural selection.

加拉帕戈群岛不同类的鸟喙形状在达尔文的然选择学说中扮演了重要角色。

To adapt a song without being taught how to means the finches must have some innate ability.

没有学过就能修改鸣叫声说明珍珠鸟必然有某种天生的能力。

One of these isolated males was added to a group of females to create a new finch colony.

接着他将一只隔离后的雄鸟入雌鸟群中以期造一个新的珍珠鸟群。

Like Darwin's finches on the Galapagos Islands, the world's garbage patches may give birth to new life forms.

就像加拉帕戈斯群岛上的达尔文一样，世界上的垃圾区可能会孕育出新的生命形式。

It was while in the Galapagos, observing small birds called finches, that Darwin started forming his theory of evolution.

正是在加拉帕戈斯群观察一种叫做类的小鸟时，达尔文的进化论开始形成。

And here's a photo of the real mangrove finch.

这是一张真正的红树林的照片。

A bit like a modern-day version of Darwin's finches on the Galapagos.

有点像现代版的加拉帕戈斯群岛上的达尔文。

Finches born with a beak that could help them get more food were more likely to survive and have babies.

天生就有能帮助己获得更多食物的喙的类，更有可能生存及繁衍后代。

A lot of what scientists know about bird song comes from studying zebra finches.

科学家关于鸟类鸣唱的很多知识 是通过观察斑胸草得来的。

The finches descended from a common ancestor but had evolved differently depending upon the different environmental pressures of the islands.

这些类来一个共同的祖先，但根据岛屿上不同的环境压力，它们的进化方式不同。

The finch paradise was threatened with famine, and finch friends became competitors.

整个天堂笼罩在饥荒之下，朋友变成了竞争者。

What do we know about tritak energy, finch?

我们都知道Tritak能源些什么 Finch？

Gradually, over many thousands of years, the finches on this island that survive become better adapted to the available foodstuff.

几千来，这个岛上幸存下来的鸟逐渐适应了现有的食物。