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

Wolf and grizzly bear sightings are fairly common in Yellowstone. But scenes such as these, illustrating the life-or-death ...

Grizzly bears are known to displace wolves from food sources and claim the meat for themselves. But it doesn’t always work that way. The accompanying footage, captured last Thursday in Yellowstone ...

"When the pups are away from their elders, this is when we see them being extra mischievous." ...

Add Yahoo as a preferred source to see more of our stories on Google. Grizzly bears are known to displace wolves from food sources and claim the meat for themselves. But it doesn’t always work that ...