Until now, thanks to some wild savanna sparrows.

多亏了某些野生稀树草鹀，现在我们能用野鸟做实验了。

Researchers analyzed three decades of recordings of male Savanna sparrows.

研究人员分析了近三十年来雄性草原麻雀的录音。

“No, son, that's actually a sparrow! ” says the dad.

“不，孩子，那其实是一只麻雀！”爸爸说。

But in the UK, the most common bird is a sparrow.

但在英国，最常见的鸟是麻雀。

An owl is a nocturnal bird, while a sparrow is diunal.

猫头鹰是夜间活动的鸟，而麻雀白天活动。

They are very diverse — just think how different penguins, sparrows and eagles are.

具有明显地多样化——想想企鹅、麻雀和鹰差距多大。

31 So don't be afraid; you are worth more than many sparrows.

31 所以不要惧怕．你们比许多麻雀还贵重。

" Nay, but God careth for the sparrows even, and feedeth them, " he answered.

" 不要这样，上帝连麻雀都要照顾的，上帝还养它们呢，" 他回答说。

Similarly, male Savanna sparrows have to make sure their vocalizations are up to date.

简单来说，雄性草原麻雀必须要确保自己的叫声是最新流行的。

In autumn and winter the sparrows feed on wheat and other kinds of grain.

秋天和冬天, 麻雀吃的是小麦和其他种类的谷粒。

There were sparrow hawks with white bellies, and screeching kestrels.

那是一类肚腹白色的鹞，及鸣声刺耳的鹰。

For that reason the farmers do not like sparrows, and shoot them whenever they can.

因为这个原因, 农民不喜欢麻雀, 只要一有机会就开枪打麻雀。

" Sparrows need no gold, " the septon said.

克雷顿爵士迷惑不解。" 麻雀？"

So both the sparrows and the elephants are great examples of clinal variation.

所以麻雀和大象都是很好的说明梯度变异的例子。

Sparrows in North America and elephants in India.

北美的麻雀和印度的大象。

First of all, the professor explains that sparrows of North and South America are different sizes.

首先，教授解释北美和南美的麻雀体型不一样。

6 Are not five sparrows sold for two pennies? Yet not one of them is forgotten by God.

6 五个麻雀、不是卖二分银子么．但在　神面前、一个也不忘记。

Another little bird, called the Indian sparrow, is equally ingenious.

另一类小鸟叫做印度麻雀，同样很有创造性。

He turned himself into a sparrow and perched on a branch.

他变成了一只麻雀，停在树上。

That's strange. Then, where is she living? The sparrow shook her head.

那就奇怪了，那，她住在哪里？麻雀摇了摇头。