In Yellowstone, cougars coexist with wolves by changing what they eat and where they hunt, minimizing conflict driven largely by prey theft.

If a wolf pack can bring down a bison, or locate a dead or dying bison, the carcass can sustain the pack for days.

Large carnivores are both clashing and coexisting in the western United States. Although wolves dominate cougars and steal their prey, cougars' shift from elk- to deer-heavy diets, paired with a ...

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

This bison wasn’t putting up with one particular wolf’s bull. They say you’re always stronger in numbers, but this wolf pack learned the hard way that that’s not always the case. Incredible footage ...

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

Add Yahoo as a preferred source to see more of our stories on Google. A photographer has captured a strikingly graphic image that reveals the raw dynamics at play during winter in Yellowstone National ...

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, ...

A new study shows that interactions between wolves and cougars in Yellowstone National Park are driven by wolves stealing ...

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 ...

This settles it … I need to go to Yellowstone one day. If you read my blog, then you’re very well aware that there’s a very small amount of stuff (like the stock market and sports betting) that makes ...