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

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

A new study has found that cougars are making slight changes to their diets in order to avoid encounters with wolves. In ...

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 how wolves steal kills from cougars in Yellowstone, driving an uneven feeding rivalry and changing cougar ...