Confidence goes only so far when a grizzly bear is standing between you and dinner. In Yellowstone National Park, one bison carcass led a young wolf to see if a grizzly bear, alre ...

Wolves in Yellowstone National Park will sometimes test their predation skills on lone adult bison. But there can be painful consequences. The accompanying footage, captured by Billy Fabian while on a ...

Add Yahoo as a preferred source to see more of our stories on Google. The mother kept her body between the calf and the hungry wolves until the pair caught up with the rest of the group. Another adult ...

They say you’re always stronger in numbers, but this wolf pack learned the hard way that that’s not always the case. Incredible footage taken at Yellowstone National Park by a group of tourists with ...

A raw display of power and determination was witnessed by Yellowstone tourists Monday as a wolf battled a much larger grizzly bear over a carcass in a river. The accompanying footage was captured by ...

Last week we featured footage showing bison stampeding toward a snow coach in Yellowstone National Park, as tourists watched with heightened concern. To their relief, the bison navigated around the ...

A guide in Yellowstone National Park has captured extraordinary footage showing a grizzly bear and her cubs chasing a wolf from they bison carcass they had claimed. But Billy Fabian’s footage also ...

"Wolves could play a small but potentially important role in the natural regulation of bison numbers." ...