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

蜂是最小的类。但是哪种蜂最小呢？

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

这里有很多动物你看了都难忘掉，比如蜂和斑海豹。

" We've just got passed by a hummingbird. Did you hear that? "

“我们刚才经过了一只蜂，你有没有听到？”

The Rufous hummingbird is around 7 centimetres.

红褐蜂约7厘米。

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

蜂中最小的是原产于古巴的吸蜜蜂。

So kind of like a hummingbird wings.

有点像蜂的翅膀。

That even beats a hummingbird's hyperactive heart, and more than 15 times the average human's.

它甚至超过了蜂的心率，也比一般人的心脏活跃15倍多。

Scientists have identified a new hummingbird species in the Ecuadorian Andes.

科厄瓜多尔安第斯山脉发现了新品种蜂。

Pinnipeds-walruses, seals and sea lions. And parrots, hummingbirds and songbirds. That's it.

再加上海象、海豹和海狮等鳍足亚目动物，以及鹦鹉、蜂和鸣禽。全部就是这些。

Nobody knows what a hummingbird looks like, but we know what birds are.

没人知道蜂得什么样，可我们知道什么是。

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

蜂上，这些突变也让这种受体能够检测糖。

One hummingbird has gone to great lengths to avoid conflict with other species.

有一种蜂为了避免与其他物种发生冲突，可谓煞费苦心。

Other animals such as hummingbirds enter hyperphagia before long migration periods.

其他动物，如蜂，时间迁徙之前就进入了食欲过度状态。

The humming-bird in the picture is sitting on its eggs, to hatch its young ones.

图片上是一只蜂坐它的卵上, 孵化它下一代.

Her relative in Montana shared a list that included hawks, raptors and hummingbirds.

她蒙大拿州的亲戚分享了一份名单，其中包括鹰、猛禽和蜂。

She referred to the day as " a 'hummingbird' contribution day."

她将这一天称为“蜂贡献日”。

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

我得像蜂那样吃东西才能不被冻死。

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

然而，您可能会问，它们为何被称为蜂呢？

McKechnie and his colleagues have studied hummingbirds at extreme elevations in the Peruvian Andes.

麦凯尼和同事研究了秘鲁安第斯山脉极端海拔地区的蜂。

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。