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

An uncollared wolf has killed enough livestock in Rio Blanco County to meet Colorado Parks and Wildlife’s definition of chronic depredation, according to the agency. However, while the circumstances ...

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 ...

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

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

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 ...

Scientific research has long assumed gray wolves are non-migratory during springtime, staying anchored to tend to litters of nearly helpless pups. For the first weeks of life, after all, pups are ...