Some 10,000 pairs of the birds, called fulmars, a kind of Arctic seabird, make their nests on Devon Island, north of the Arctic Circle.

极圈部的德文岛上有一万对鸟此筑巢，它们被称为管鼻藿，一种极海鸟。

I thought that we could build our nest high up.

我想我们可以高处筑巢。

These leviathans are making a journey to nesting sites they've used for generations.

这些庞然大物正前往它们世代繁衍的筑巢之地。

Am I nesting right now? 'Cause they told me I would start nesting.

我是不是筑巢本能爆发了？医生就说可能会不自主地这样。

The end goal is that every penguin that needs a nest will get one.

最终目标是只需要筑巢的企鹅都能得到一个巢穴。

Entomologists think the insects might have a nest there.

昆虫学家认为它们可能那里筑巢。

Eiders are wild birds that come and nest, and we collect eiderdown from the nests.

绒鸭是来这里筑巢的野生鸟类，我们从巢中收集鸭绒。

Birds like making their nests there because it's so quiet and safe.

鸟儿里面筑巢是因为那儿宁静、安全。

It turns out that these particular dinosaurs are the ancestors of modern birds, and they liked to show off their prowess as nest builders during the breeding season.

原来这些特殊的恐龙是现代鸟类的祖先；它们繁殖季节炫耀自己高超的筑巢技巧。

That's why the flamingos go there to nest and lay their eggs.

这就是火烈鸟去那里筑巢产卵的原因。

Its unusual nesting habits differentiate this bird from others.

这种鸟非同寻常的筑巢习惯是它区别于其他鸟的特征。

Not enough nest space to go around.

即鸟儿的筑巢空间不足。

Descending to the ground, she searches for a suitable spot to build her nest.

她降落到地面上，寻找合适的筑巢地。

In particular, the ants prefer to nest in a tree called the cuaniquil.

这些蚂蚁尤其一种被称为cuaniquil的树上筑巢。

Wow, is that a bird building a nest, Duggee?

哇，那是小鸟筑巢吗，道奇？

It was the kind of barn that swallows like to build their nests in.

它是燕子筑巢的那种谷仓。

Red-winged blackbirds, which sometimes nest near warblers, do not produce referential alarm calls.

红翅黑鹂有时黄莺附近筑巢，它们没有发出指未警报叫声。

Eighty percent of those built before the birds' March arrival get nests their first year.

其中80%的塔楼是3月份烟囱雨燕到来前建造的，它们第一年就筑巢了。

But these birds are actually nesting in the middle of Chicago.

但这些鸟实际上正芝加哥中部筑巢。

In New Zealand, house cats, which are not indigenous, are wiping out ground-nesting birds.

新西兰，家猫（并非本土物种）正消灭地面筑巢的鸟类。