Imagine you're a finch on a Galapagos island.

想象你是加拉帕戈斯岛上一只雀。

My teachers were always telling not to finch it.

老师告诉别去挠它。

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，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.

们认为这种进化是因为雀鸟很可能最初是啄食鲣鸟身上寄虫。

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说明珍珠鸟必然有某种能力。

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雄鸟放入雌鸟群中以期造一个新珍珠鸟群。

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达尔文雀一样，世界上垃圾区可能会孕育出新命形式。

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.

这是一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上达尔文雀。

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

就有能帮助己获得更多食物喙雀类，更有可能存及繁衍后代。

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

科学家关于鸟类鸣唱很多知识 是通过观察斑胸草雀得来。

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

这些雀类来一个共同祖先，但根据岛屿上不同环境压力，它们进化方式不同。

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

整个堂笼罩在饥荒之下，朋友变成了竞争者。

What do we know about tritak energy, finch?

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.

几千年来，这个岛上幸存下来雀鸟逐渐适应了现有食物。