Bison may seem calm, but they are one of Yellowstone National Park’s most dangerous animals. Tourists who get too close risk ...

This is the third lawsuit to be filed in the wake of Yellowstone revising its bison management plan last year.

When temperatures dip below zero in Yellowstone National Park, tourists are scarce but the park’s 4,500 bison carry on out of necessity. The accompanying footage, courtesy of Yellowstone Forever ...

A spectacular highlight for snow-coach passengers in Yellowstone National Park is to share the road with giant bison. The ...

A huge herd of bison trekked through deep snow in Yellowstone National Park, surreal video shows. Screenshot of Yellowstone Forever's video on Instagram A huge herd of bison trekked across a snowy ...

Find Yellowstone Bison stock video, 4K footage, and other HD footage from iStock. Get higher quality Yellowstone Bison content, for less—All of our 4K video clips are the same price as HD. Video Back ...

Despite a costly reintroduction of bald ibexes in Italy, poaching threatens to drive them extinct again during their migration south. The endangered birds had been hunted into extinction throughout ...

Montana's lawsuit against Yellowstone's bison plan contradicts park scientists' research on population sustainability and ...