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

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

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 ...

Yellowstone is grieving after a poacher is believed to have shot and killed a prominent wolf from the park's most famous pack ...

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

A study investigated thousands of kill sites that provided valuable information about the hunting and feeding behaviors of ...

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

As cougar and wolf populations recover, clashes between these top predators are inevitable with cougars finding ways to ...

Cougars were also found to be moving where they hunt and travel. They avoid areas where wolves hang out. They avoid wolf ...

A hunter illegally killed a 'rising star' wolf and threw away its GPS collar.

A critique from a team led by Utah State University ecologist Dan MacNulty and published in Forest Ecology and Management has prompted a formal correction to a high-profile study on aspen recovery ...

Multiple disturbing incidents show our state puts little value on discouraging animal suffering, writes guest columnist Faith Williams.