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

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

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

Add Yahoo as a preferred source to see more of our stories on Google. 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 ...