Unusual predator standoff: Video shows grizzlies and wolves confronting each other over a bison carcass in Yellowstone’s LeHardys Rapids, with aggressive displays but no injuries. Why it’s rare: ...

A new clip out of Yellowstone offers a rare look at the brutal reality of kleptoparasitism in the backcountry. Watch a pack ...

A brave bison mother protects her newborn calf from an attacking wolf pack until the rest of the herd arrives to aid in the defense. #Wildlife #Nature #Bison #AnimalBehavior ...

You mess with the calf, you get the herd. It's estimated that around 4,500 bison roam around Yellowstone National Park.

The day after two hikers were mauled by a grizzly in Yellowstone, tourists yelled at rangers who were warning them to ...