The grizzly bear is the most deadly frontier beast.

在落基山中 最致命的威胁是灰熊。

The shoulder hump of a grizzly bear consists of what?

灰熊的肩峰由什么组成？

Step three: A bully is like a grizzly bear.

恶霸就像灰熊。

It also meant more river-side berries for foraging grizzly bears.

这也意味着有更多的河边浆果供灰熊觅食。

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

其中包括灰熊、秃鹰、灰鲸等。

It's muscle that gives grizzly bears the rise in their shoulders.

但是是肌肉使灰熊肩膀隆起。

" Nothing more fun than an irritated grizzly bear, " I agreed, nodding.

“没什么能比一只被激怒的灰熊更有趣了。”我赞同着，点了点头。

This includes vulnerable species like wolverines, pine martens, and even grizzly bears.

这包括狼獾、松貂甚至棕熊等易受影响物种。

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

它的重量超过700公斤，是今天灰熊的两倍。

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。

Anyway, the harpy eagle is armed with talons as big as grizzly bears.

不管怎么说，美洲角雕有和灰熊一样大的利爪。

The bison in Yellowstone injure far more people than do the grizzly bears.

黄石公园的野牛比灰熊伤的人要多得多。

The grizzly bear also lived through the post Ice Age changes and now thrives in North America.

灰熊也在同样在冰河时代后期的巨变中幸存了下来，现在在北美洲代代繁衍。

Much of the black bear's range coincides with the range of its close cousin, the grizzly bear.

黑熊栖息地的范围有很大一部分和它的近亲灰熊的栖息地重合。

Trees and shrubs are springing back up, bearing nutritious berries, a valuable food source for the grizzly bear.

树木和灌木丛再度繁荣，长出有营养的浆果，这是灰熊很宝贵的食物来源。

The U.S. Fish and Wildlife Service says healthy grizzly bears will sometimes chase and kill young animals for food.

美国鱼类和野生动物管理局表示，健康的灰熊有时会追逐并猎杀小动物以获取食物。

They were the grizzly bears of birds, the great white sharks of the land, Jack the Ripper, but with feathers.

它们就像鸟类中的灰熊、陆地上的大白鲨，或者开膛手杰克——只不过长着羽毛。

All across these mountains, grizzly bears make their winter dens 10,000 feet up in the deep snow of leeward slopes.

在这些山脉中灰熊将巢筑在背风坡厚厚的积雪之下。海拔高达三千米。

" They also found tracks from an adult grizzly bear and at least one cub near the site, " FWP said.

FWP 说：“他们还在现场附近发现了一只成年灰熊和至少一只幼崽的足迹。”

A biologists and two technology workers have teamed up to create Bear ID. It uses facial recognition software to monitor grizzly bears.

一位生物学家和两位技术人员联手创建了熊的身份认证，通过使用面部识别软件来监控灰熊。