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

从它明显很尖的耳朵来看，只可能是一只加拿大猞猁。

Why does the lynx need the caterpillar?

为什么猞猁会需要毛毛虫？

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

它必须有合适的高度，正好能吃得到同时又能有足够的掩蔽，以躲避所有的猞猁。

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的物的。

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，它生活在北半球的乔林中。

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的繁育及救助中心。

Safe inside her den, a lynx cub.

一个猞猁幼崽正躲在它的安里。

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

加拿大猞猁的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，它是狼、美洲豹以及猞猁。

And this particular lynx is well-known to chief scientist Jen Vashon.

这只特别的猞猁对首席科学家简·瓦申来说却是再熟悉不过了的。

They've discovered that he is just one of hundreds of lynx living here.

他已经发现，它仅仅是生活在这里的数百只猞猁中的一个。

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.

在猞猁生活的地区，一些非同寻常的事情发生在森林里。

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

DNA 复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的动物，也帮助科学家识别那些入侵的物种。

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。

And these things form 80% of a lynx's diet.

猞猁的物中80%都是它。

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。

But, as you can see, they don't make it easy for that lynx.

但是你能看到，对猞猁来说要抓到它可不容易。

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

有熊回来了。 山猫回来了。

And that's why the lynx needs the caterpillar.

这就是为什么猞猁会需要毛毛虫。