It is the animal that does not live in a pack, or at least doesn't want to.

是不居的动物，或者至少不想居。

Goats, goats are very social animals.

山羊，山羊是居动物。

It's pretty rare to find such group-living spiders.

这种居蜘蛛非常罕。

My teacher once said, We are all social animals.

“我都是居的动物。”

And they're often solitary or they only form small groups.

往往独居，或规模居。

Now that chicks are slowly starting to form groups amongst themselves.

现在企鹅开始慢慢地居了。

Humans evolved together as social creatures in order to survive.

人类为了生存从居动物进化而来。

They live in groups of up to 80 individuals.

居生活，最多可达80只个体。

But despite the squabbles, wild boars are social animals and gather together in groups.

虽然偶有争吵，但野猪是合的居动物。

In the wild, orcas live in groups of whales called pods.

在野外，虎鲸通常以“居”的方式生活。

Puffins are social birds and they like being with others of their kind.

海鹦是居鸟，喜欢和同类在一起。

Lions are the only cats to live together in big family groups called prides.

狮子是唯一一种居的大型猫科动物。

Pachyrhinosaurus was a herd dinosaur and therefore it could operate together.

肿鼻角龙是居恐龙因此会跟其同伴合作。

They are communicative, social beings that live in herds.

是善于沟通的居动物。

And social insects take it to another level.

而居昆虫的数量则是更上一层楼。

And how this may affect populations of this social species.

以及这可能会如何影响这种居物种的种。

In the wild, they are a co-operative, group-living species.

在野外，是相互合作的居动物。

Many social animals can identify individuals of their own species by their facial features.

许多居动物都能通过面部特征认出同类个体。

There's also more circumstantial evidence that suggest certain dinosaurs may have lived in family groups.

也有更多的环境性证据表明有些恐龙是家族居的。

But, you know, we’re tribal animals, pack animals.

但是你知道的，我是部族生物，居动物。