Why does the lynx need the caterpillar?

为什么猞猁会需要毛毛虫？

The clue is how they affect the lynx's prey on the forest floor.

线索就在于毛毛虫是如何影响森林地面上那些猞猁猎物。

Extremely rare and secretive, the lynx inhabits the high forests all across the northern hemisphere.

欧亚猞猁极其稀有而且很神秘，它们生活在北半乔林中。

There is also a breeding and rescue center there for the endangered Iberian lynx, an endangered kind of wild cat.

那里还有一个濒危野生猫科动物伊比利亚猞猁繁育及救助中心。

Safe inside her den, a lynx cub.

一个猞猁幼正躲在它安全小窝里。

Lab tests showed conclusive results: the Canada lynx was indeed present in the area.

加拿大猞猁确曾在这片区域内活动。

First, the major predators of deer wolves, cougar, and lynx have been greatly reduced in numbers.

首先，鹿群天敌数量不断减少，它们是狼、美洲豹以及猞猁。

And of course what's good for the hares is also good for the lynx.

当然，对野兔有利也就意味着对猞猁有利。

In the land of the lynx, something extraordinary is happening to the forest.

在猞猁生活地区，一些非同寻常事情发生在森林里。

While metabarcoding can detect elusive animals like the Canada lynx, it can also help scientists identify invasive species.

DNA 合条形码不仅可以帮助科学家监测像加拿大猞猁这样行踪不定动物，也帮助科学家识别那些入侵物种。

Mammy has ears like a lynx and it isn't decent to laugh so soon after — hush laughing.

就这么大笑，也不像话呀。快别笑了。

To see a wild lynx up this close is, yeah, completely amazing.

这么近距离见到猞猁 真让人惊叹。

There's bears coming back. There's lynx coming back.

有熊回来了。 山猫回来了。

The Ahtari Zoo specializes in northern European animals such as bears and lynxes.

阿赫塔里动物园专门饲养熊和山猫等北欧动物。

And that's why the lynx needs the caterpillar.

这就是为什么猞猁会需要毛毛虫。

I bet the lynx never even sees the caterpillar throughout the course of its life.

我敢打赌，猞猁甚至从来没有看到过贯穿其生命过程中毛毛虫。

With those distinctly pointed ears, it can only be a Canadian lynx.

从它明显很尖耳朵来看，只可能是一只加拿大猞猁。

It must be the right height to eat, and provide enough cover to hide from all those lynx.

它必须有合适高度，正好能吃得到同时又能有足够掩蔽，以躲避所有猞猁。

This time, in our seasonal forests, why does this lynx need a caterpillar?

这一集，在季节性森林里为什么这猞猁会需要毛毛虫？

The lynx is now becoming the totemic animal of a movement that is transforming British environmentalism: rewilding.

山猫现在正在成为正在改变英国环保主义运动图腾动物：野化。