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: ...

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

It only makes sense that this incredible video below took place in Yellowstone National Park. There’s an estimated 5,400 bison that call the beautiful national park home, and around 120 wolves also ...

Learn more about why the story of how wolves saved Yellowstone National Park’s aspens is more complicated — and more instructional — than it appears.

A tourist guide at Yellowstone filmed a wolf chasing after an elk for about 3.5 to 4 miles.

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.

Wolves versus cougars... adapting to survive alongside one another: A comprehensive series of articles on this topic ...

WARSAW, Poland (AP) — A pack of wolves in eastern Poland made a wrong choice of prey when it tried to attack a herd of bison, but was dismally chased away. An online camera installed by state forestry ...

A tour guide and his client this week witnessed an extraordinary scene involving wolves chasing two elk for 3-plus miles in Yellowstone National Park. The accompanying footage, captured by guide ...