Their heads have fetching crests, and their necks are a beautiful, iridescent blue.

它们头上有迷人的羽冠，以及光泽艳丽的蓝色脖子。

The Hooded Crows are hungry too. But they'll have to wait their turn.

羽冠乌鸦同样饥肠辘辘。不过它们得等，还没轮到它们。

As a final thrill, he expands the pink crest on the back of his head.

作为压轴节目，他张开了头部后侧的粉色羽冠。

This is not a female but a young male who hasn't yet developed that head crest.

这只不是雌鸟，而是一只还没有长出羽冠的雄鸟。

Both male and female peafowl sport crests on their heads, small feathers that stick straight up, like a Mohawk.

雄孔雀和雌孔雀都会炫耀头上的羽冠，即直立的小羽毛，就像莫霍克发型一样。

The crests thus act like a sort of special antenna meant to pick up a single kind of sound.

这样一来，羽冠就像是接收单一声音的特殊。

The crest feathers that actually give the peacocks' their Latin name, they're called Pavo cristatus, the crested pheasant.

“孔雀的拉丁语名字Pavo cristatus就因其羽冠而得名，意为有羽冠的野鸡。

And so I was intrigued by the fact that people didn't really know what the function of these crests were.

人们并不知道这些羽冠的功能，这一点引起了我的兴趣。”

The kingfisher will raise its crest,   maybe that's to make itself look bigger .

翠鸟会竖起它的羽冠，也许那是为了让自己看起来更大。

And she was with a Native American man with a headdress and buckskin.

她身边有一个戴着羽冠、穿着鹿皮的美洲原住民男子。

Fury and wrath make trim his crest, and panic, his own squire, handles his horse's reins.

愤怒与狂怒装饰着他的羽冠，而恐慌，他的贴身侍从，紧握着马缰。

His rumpled grey hair stood up above his forehead like the crest of an angry bird, and the leather-brown of his veined cheeks was blotched with red.

他皱巴巴的灰发高高耸立在前额之上， 就像一只愤怒的小鸟的羽冠，他布满青筋的脸颊呈皮革般的棕色， 上面布满了红色斑点。

True in people and also true in birds where you see feathers in a crest that is visible from a long way off, telling one bird what species of bird it's looking at.

在人类和鸟类中都是如此，你可以在很远的地方看到羽冠上的羽毛，告诉一只鸟它在看什么。

So they took some birds, caught some birds, and they lengthened the top knot on the head, or shortened it, and then measured how long it took for that bird to acquire a mate.

于是， 他们捉来一些鸟，加长或缩短其头顶的羽冠，然后记录每只鸟找到配偶所需的时间。

But to call it a bird was out of the question, because it had no feathers whatever except a crest of wavy plumes of a scarlet color on the very top of its head.

但称它为鸟是不可能的，因为它除了头顶上的猩红色波浪状羽冠外，没有任何羽毛。