Allan Hathaway, a wildlife photographer, captured the video of the Wapiti wolf pack chasing after the lone bison in ...

It’s an animal-eat-animal world out there, especially in Yellowstone National Park. There are almost 70 different mammal species in Yellowstone, and most of those can be separated into two categories: ...

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

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. A photographer has captured a strikingly graphic image that reveals the raw dynamics at play during winter in Yellowstone National ...

A photographer has captured a strikingly graphic image that reveals the raw dynamics at play during winter in Yellowstone National Park. From Big Sky Wildlife, aka Scott Brovsky, via Instagram on Jan.

The accompanying footage, captured by guide Andrea Baratte of Yellowstone Adventure Tours, shows one wolf’s pursuit of a bull ...

A new study shows that interactions between wolves and cougars in Yellowstone National Park are driven by wolves stealing prey killed by cougars and that shifts in cougar diets to smaller prey help ...

Gray wolves were once plentiful in Colorado. As settlers moved west and hunted the gray wolves’ natural prey, such as bison and elk, the wolves’ food sources dwindled. As a result, wolves began ...