Imagine you're a finch on a Galapagos island.

想象你是加拉帕戈斯岛只雀。

My teachers were always telling not to finch it.

我老师告诉我别去挠它。

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

这样，桑德斯与这只小鸟对视了几秒钟。

Greer has Finch. He's the only thing we have to worry about.

格里尔抓了芬奇 他是我们唯需要考虑。

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

成群燕子、雀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.

斑胸草雀放慢歌声，用更高音调与幼鸟交流。

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，其实对雀类并不感兴趣。

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雀鸟很可最初是啄食鲣鸟身寄生虫。

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

加拉帕戈群岛不同雀类鸟喙形状在达尔文自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.

没有学过改鸣叫声说明珍珠鸟必然有某种天生力。

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

接着他将只隔离后雄鸟放入雌鸟群中以期造个新珍珠鸟群。

Instead, what Darwin noticed were variations in the finches' beak, the hard, pointed part of a bird's mouth.

然而，达尔文注意到是它们不同鸟喙，即鸟嘴硬而尖部分。

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

像加拉帕戈斯群岛达尔文雀样，世界垃圾区可会孕育出新生命形式。

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种叫做雀类小鸟时，达尔文进化论开始形成。

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

这是张真正红树林雀照片。

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

有点像现代版加拉帕戈斯群岛达尔文雀。

I'll find a finch or two here, he decided.

我会在这里找到两只雀，他决定。

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

几千年来，这个岛幸存下来雀鸟逐渐适应了现有食物。

Graypaw was with Ravenpaw, wolfing down a small finch beside the tree stump.

灰爪和乌爪起狼吞虎咽地吃着树桩旁只小雀。

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

这些雀类来自个共同祖先，但根据岛屿不同环境压力，它们进化方式不同。