Current laws that deem species safe from extinction ignore their ecological role, geographic range and genetic diversity, as ...

There’s not a grizzly bear in Yellowstone National Park that is willing to mess with a bison herd on full alert. The accompanying footage, captured Monday via the park’s livestream camera, shows ...

Due to its vast size — stretching from Canada and Greenland in the north, to Mexico in the south — North America contains a ...

Wildlife experts and advocates say you can’t put a price on Yellowstone’s famous grizzly bears because they’re “priceless.” ...

A guide in Yellowstone National Park has captured extraordinary footage showing a grizzly bear and her cubs chasing a wolf from they bison carcass they had claimed. But Billy Fabian’s footage also ...

In Yellowstone National Park, when a bison dies it’s not long before wolves or grizzly bears move in on the carcass. If one ...

Sitting at my desk trying to write this week’s column essay, I listen to Steven Wiseman’s 1999 CD, “Welcome to Rocky Mountain ...

This is a preview. Log in through your library . Abstract We investigated factors associated with the distribution of grizzly bears (Ursus arctos horribilis) in 1850 and their extirpation during ...