Wildlife biologists say it's rare for grizzlies to eat from the head of a bison because it would be difficult to get through ...

Mike Garrity writes, For grizzly bears, wolves, lynx, wolverine, and bison there is no boundary” around Yellowstone National Park.

Both a grizzly bear and a wolf pack targeted a bison carcass in Yellowstone National Park, Wyoming in December. A tense fight ...