A grizzly bear’s size and strength make it a dominant force in the wild, but a coordinated wolf pack presents a serious ...

In Yellowstone National Park, when a bison dies it’s not long before wolves or grizzly bears move in on the carcass. If one or two wolves are on the carcass, a lone grizzly bear can usually clear them ...

Congress is considering three separate bills that would delist grizzly bears and gray wolves from the Endangered Species Act. Two are stand-alone pieces of legislation to delist the predators and ...

A guide in Yellowstone National Park has captured extraordinary footage showing a grizzly bear and her cubs chasing a wolf from they bison carcass they had claimed. But Billy Fabian’s footage also ...

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

A new wolf pack has emerged in California's northern Sierra, signaling continued growth of the state's small and fragile wolf population - and raising fresh concerns for ranchers in an area where many ...

Every year, thousands of people flock to Yellowstone National Park armed with binoculars and cameras. They come for the geysers and thermal features, the soaring landscapes rimmed by tall peaks, ...