Hummingbirds are the smallest birds. But what type of hummingbird is the smallest?

蜂鸟的鸟类。但哪种蜂鸟呢？

Unlike the other hummers, swordbills can't reach their feathers with their beak.

不像其它蜂鸟，刀嘴蜂鸟的喙够不到身上的羽毛。

So kind of like a hummingbird wings.

有点像蜂鸟的翅膀。

The Rufous hummingbird is around 7 centimetres.

红褐蜂鸟身长约7厘米。

It's kind of a hummingbird for one.

这只蜂鸟只能一个人骑。

A swordbill's extraordinary beak, however, enables it to reach the places that others can't.

然而，刀嘴蜂鸟的喙同一般，能让它吃到其他蜂鸟无法触及的花蜜。

Maybe even a couple of bumblebee bats and a bee hummingbird.

也许还有几只大黄蜂蝙蝠和一只蜂鸟。

These Rufous Hummingbirds have migrated to the forest to breed.

这些棕蜂鸟已经迁徙到森林里生活了。

I'll have to eat like a hummingbird just to keep from freezing to death.

我得像蜂鸟那样吃东西才能不被冻死。

Let me show you how this hummingbird, this rotorcraft, works.

我“蜂鸟”如何工作的。

The smallest of the hummingbirds is the Bee which is native to Cuba.

蜂鸟中的原产于古巴的吸蜜蜂鸟。

It has found a solution that means it doesn't have to join the fight.

它找到了解决方法，不必和其它蜂鸟争夺食物。

You see, hummingbirds are not hypersonic, but they are maneuverable.

你知道，蜂鸟不特超音速。但操纵性很好。

In hummingbirds, these mutations allow this receptor to detect sugars, too.

在蜂鸟身上，这些突变也让这种受体能够检测糖。

But, you ask, why are they called humming birds?

然而，您可能会问，它为何被称为蜂鸟呢？

But there's no way to learn to fly like a hummingbird unless you fly.

但无法学会象蜂鸟一样飞。除不停地学习飞行。

Lipperty-lipperty-lip he ran, while Hummer darted on ahead.

他一蹦一跳地跑着，蜂鸟也向前冲去。

There are animals with great appeal, Like the Hummingbird and the Harbor Seal.

这里有很多动物你了都难忘掉，比如蜂鸟和斑海豹。

Why do hummingbirds have these amazing colors?

为什么蜂鸟有这些好的颜色？

Swordbills are the only bird with a beak longer than their body.

刀嘴蜂鸟唯一一种喙长于身体的鸟类。