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 ...

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

A new scientific review challenges the headline-grabbing claim that Yellowstone’s returning wolves triggered one of the strongest trophic cascades on Earth. Researchers found that the reported 1,500% ...

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, ...

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.

Recently, the California Department of Fish and Wildlife announced it had made the difficult decision to kill four members of one of the state’s 10 known wolf packs in an area just north of Lake Tahoe ...

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 ...

If you need a minute of Zen in your day, this video shared by National Park News on Instagram will do the trick. It shows a pack of very sleepy wolves chilling (quite literally!) in the snow as if it ...

Footage shows grizzly bear ambling across snow in apparent search for a snack.