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

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

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

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

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. On four separate occasions, Wolf 907F seized power as the alpha female leader of the Junction Butte Pack in Yellowstone National ...

Kenmore East High School and University at Buffalo science and environmental education teacher Joe Allen leads summer trips to Yellowstone Park to observe the wolves there. In the past he has taken ...

In Yellowstone National Park — where gray wolves were reintroduced starting in 1995 — researchers have gone back and forth on whether the restoration of wolves has impacted the ecosystem. The idea is ...

A look at how wolf policy shifted from eradication to protection, and why wolf conflict is rising again across the West. The ...