Stunning viral footage shows a grizzly bear fighting a wolf over the remains of a dead animal in a river, proving size ...

Sharing is not caring at Yellowstone National Park... in fact, it doesn't appear like it's even an option. Most people would ...

Yellowstone visitors were lucky enough to witness a rare interaction between two of the park's most iconic predators.

In Yellowstone National Park, when a bison dies it’s not long before wolves or grizzly bears move in on the carcass. If one or two wolves are on the carcass, a lone grizzly bear can usually clear them ...

I was sitting on a hill watching a muskeg flat on which several hundred scattered caribou were feeding. A quarter-mile below ...