A tour group watched a pack of wolves unsuccessfully try to take down a bison in Yellowstone National Park this past weekend.

Once the bear reached the area where the wolves were, the wolves must’ve smelled him ... then all chaos broke out.” ...

Add Yahoo as a preferred source to see more of our stories on Google. 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 ...

In Yellowstone National Park, Scott Brovsky captured dramatic footage of a grizzly bear being chased away from a bison ...

Both a grizzly bear and a wolf pack targeted a bison carcass in Yellowstone National Park, Wyoming in December. A tense fight unfolded between the predators. Why Democrats’ upset in a Texas state ...