Add Yahoo as a preferred source to see more of our stories on Google. 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 ...

Footage shows part of a wolf-versus-elk pursuit that also has bison taking cover.

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, ...

Bald eagles might be regarded as the most fearsome predators of the sky, but like any other wild creature, they do whatever ...

Tourists visiting Yellowstone National Park on October 6 were left stunned after witnessing a man walk straight toward a wild wolf pack in what authorities are calling a highly dangerous and reckless ...

Yellowstone National Park biologists have been busy counting noses (and beaks), recording sightings, conflicts and concerns for bear management, wolves and birds. They have compiled their work done in ...

This winter saw the most wolves from Yellowstone National Park killed in about a century. That's because states neighboring the park changed hunting rules in an effort to reduce the animals' numbers.

This story was originally published by Mountain Journal. Around Crystal Creek, where the road bridges the Lamar River at the fringe of Yellowstone National Park’s Lamar Valley, a grove of aspens has ...

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 ...