A new study documents the complex interactions between cougars and gray wolves in Yellowstone National Park and finds their ...

Add Yahoo as a preferred source to see more of our stories on Google. They say you're always stronger in numbers, but this wolf pack learned the hard way that that's not always the case. Incredible ...

Dire wolves stalk modern imagination as fantasy mascots, but the real animals were Ice Age predators that lived, hunted, and ...

The story of wolves in Yellowstone National Park is one of the most successful—and scrutinized—wildlife restoration projects ...

A coyote in Yellowstone was lucky to escape after it got a little too close to a pack of wolves feasting on a bison carcass, ...

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 ...

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 ...