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 ...

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 ...

This heart-stopping video shows a single grizzly being attacked by a pack of 10 hungry wolves. Can one massive, angry grizzly fend off a whole pack of wolves? Find out now!

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 ...

California appears to have lost two of its 10 gray wolf packs this year, including one whose adult members were euthanized after they killed nearly 100 calves in a six-month period, state wildlife ...

California wildlife officials confirmed the existence of a new wolf pack in southern Plumas County this week, bringing the total number of packs in the state back up to 10 after authorities killed a ...