The shoulder hump of a grizzly bear consists of what?

灰熊由什么组成？

Its weight was more than 700 kilos, twice that of a grizzly bear today.

它重量超过700公斤，今天灰熊两倍。

Take the brown bear, known here in the U.S. as the grizzly.

以在美国被称为灰熊棕熊为例。

But that's not the only possible reaction to being hunted.

但这不灰熊面对捕猎做出唯一反应。

One of these trees is called Grizzly Giant.

其中一棵树叫做灰熊巨人。

Grizzly bears, some grey wolves and endangered species are off-limits.

灰熊、一些灰狼和濒危物种都不可猎杀。

The park is also home to some incredible wildlife including grizzly bears and wolves.

公园内还有一些令人惊叹野生动物，包括灰熊和狼。

Joe Pendleton lives in his van with his dog Grizz.

乔·彭德尔顿和他狗" 灰熊" 住在他货车里。

When Braggart saw that the danger was over, he came down from the tree.

巴戈特看到灰熊离开，就从树上爬下来。

Thanks to the richness of the autumn salmon run, the bears have survived the winter.

得益于秋鲑鱼洄游时充足食物，灰熊安然度过。

So I know, for instance, that this one has come from a female grizzly.

例如，我知道这来自于一只雌性灰熊。

It's becoming warmer, and the bears are keen to shed their thick winter coats.

天气转暖，灰熊急切地想脱下它们厚重衣。

A mother grizzly emerges from her den after six months dozing underground.

灰熊妈妈正走出巢穴，长达6个月地下眠结束。

Grizzly bears have a bite force of over 1,200 pounds per square inch.

灰熊咬合力每平方英寸1200磅。

They were even more powerful than that of its modern day relative, the Grizzly bear.

它们甚至比其现代亲戚灰熊牙齿更加有力。

These include grizzly bears, bald eagles, gray whales and others.

其中包括灰熊、秃鹰、灰鲸等。

After five months in the den, these bears are very hungry.

在巢里呆五个月后这些灰熊饿得正慌。

So the bears must feed as fast as they can.

所以灰熊必须尽快进食。

Grizzly bears don't have this patch.

灰熊没有这块斑。

Although grizzly bears are usually heavier with an average weight of 225 kilos.

虽然灰熊通常都更重一些，平均体重可达225千克。