When gray wolves returned to Yellowstone National Park, the public heard a simple story: predators came back, balance ...

Have you ever heard of Wolf 832F, one of Yellowstone's alpha wolves? Learn all about her and how she impacted Yellowstone National Park!

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 “enemies without benefits” relationship is driven by competition: wolves ...

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 ...

Thirty years ago, park rangers reintroduced grey wolves into Yellowstone National Park. They wanted to restore the ecosystem and get the elk... What is the legacy of Yellowstone wolves 30 years after ...

A recently published study that utilized GPS collar data collected over nine years found that interactions between wolves and cougars often revolved around elk.

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 ...

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

A baby elk outran — and outswam — a wolf pack in Yellowstone National Park, video shows. Screenshot of montanawild_'s Instagram video A “brave” little elk calf sprinted to safety — with a pack of ...

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