Large carnivores are both clashing and coexisting in the western United States. Although wolves dominate cougars and steal ...

Bison, elk and other animals die in droves in Yellowstone's remote “animal boneyard.” Only a few know how to get there, ...

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

Add Yahoo as a preferred source to see more of our stories on Google. A wolf carries a very young pup by its hindquarters in this image caught by a game camera. A new study shows that contrary to long ...

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

It didn't come as a surprise to researchers that the re-introduction of wolves in certain parts of the northern U.S. would reduce deer and elk herds, and thus reduce automobile accidents with those ...

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

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