Imagine you're a finch on a Galapagos island.

想象你是加拉帕戈斯岛上的一只雀。

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。

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、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，用更高的音调与幼鸟交流。

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.

加拉帕戈群岛不同雀类的鸟喙形状在达尔文的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放入雌鸟群中以期造一个新的珍珠鸟群。