Often referred to as canines, dogs, including golden retrievers, are part of the Canidae family.

通常被称为犬科，狗，包括金毛猎犬，是犬科一部分。

But the resurgence of Yellowstone Park's canine population has helped the bears.

但黄石公园犬科复兴帮助了熊群。

The African wild dog is the only dog-like animal that has only four digits on the front paws.

非洲野犬是唯一一种前爪只有四趾类犬科。

Yet this vast, unforgiving place is home to the world's smallest wild dog, the fennec fox.

然而，这处广阔而环境恶劣地区却是世界上体型最小犬科——耳廓狐家园。

Other species of canids — dogs, wolves — hunt in packs, but her life is a lonely one.

其他犬科——狗、狼，都是群体狩猎，但是鬃狼却是孤军作战。

And then at some point, Eastern dogs followed people west, and became the dominant ancestor of our canine compadres.

然后在某个时候，东方狗跟随人类西方，成为我犬科主要祖先。

Some canines in their companions got a little fancy in order to help out animals in need.

同伴中一些犬科为了帮助有需要而变得有点花哨。

It left veterinarians scratching their heads and a number of pet owners scrambling to find their canine counterparts help.

它让兽医摸不着头脑，许多宠主人争先恐后地向他犬科寻求帮助。

Like other early canines, it had a long snout with thinner teeth.

像其他早期犬科一样，它鼻子很长，牙齿更薄。

One species in this genus—Epicyon haydeni—was the biggest of the big, thought to be the largest canid of all time.

该属中一个种——Epicyon haydeni——是大型犬科中最大，被认为是有史以来最大犬科。

But the most noteworthy thing about these new, early canines was their legs.

但这些早期新犬科最值得注意是它腿。

So two out of the three canid subfamilies are dead and gone.

所以犬科三个亚科中有两个已经死去。

But coyotes are full-blooded members of the canine clan and like all dogs, they sometimes hunt in groups to tackle bigger prey.

草原狼则是血统纯正犬科家族成员。并且和其他犬科一样，它有时会作捕猎大型猎。

Among Dire wolves, males and females were about the same size, just like we see in most modern canine species.

在恐狼中， 雄性和雌性体型大致相同，就像我在大多数现代犬科中看到一样。

Of course, Prince is from a royal line of dog- tectives, all canines are pretty arf-fective, at leash mastiff the time.

当然，Prince 出身于皇家犬科家族，所有犬科都非常可爱， 当时是拴着獒犬。

These shrinking toes helped make canines' feet and legs lighter.

这些缩小脚趾有助于使犬科脚和腿更轻。

They were among the most impressive members of the family Canidae, which has its roots in North America.

它是起源于北美犬科最令人印象深刻成员之一。

And the biggest canids that ever lived were the borophagines, also known as the bone-crushing dogs, which I've talked about before.

有史以来最大犬科是 borophagines，也被称为碎骨犬，我之前已经谈过。

But around 30 million years ago, a new subfamily of canids appeared: Caninae, or canines, the true dogs.

但大约 3000 万年前， 出现了一个新犬科亚科：Caninae，或犬科， 真正狗。

Canids have hollow bony structures toward the back of their skulls called auditory bullae that protect the delicate bones of the middle ear.

犬科头骨后部有中空骨结构，称为听觉大泡，可保护中耳脆弱骨骼。