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

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

Though it's winter in Yellowstone National Park, the fight for survival is still running as hot as ever. There’s likely not an animal that’s better at the long game than the wolf, especially when it ...

Over the last three decades, Yellowstone National Park has undergone an ecological cascade. As elk numbers fell, aspen and willow trees thrived. This, in turn, allowed beaver numbers to increase, ...

The story of wolves in Yellowstone National Park is one of the most successful—and scrutinized—wildlife restoration projects ...

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 ...

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. A pack of Mexican gray wolves at an Illinois zoo got some special holiday enrichment ahead of Christmas. The Brookfield Zoo ...