Meanwhile biologists Bill Ripple and Eric Larsen were probing into another mystery – the disappearance of aspen trees in ... Wolves, Elk, and Aspen on Yellowstone National Park's Northern ...

If you run into a bear at close range, do not run or climb a tree ... Rocky Mountain Elk are another massive mammal that draw ...

Yellowstone National Park never fails to impress when it comes ... But during calving season, they target newborn elk, deer, and sheep — the same prey the wolves are hunting at that time.

Yellowstone National Park's nearly ... habitat that bears, bison, elk and coyotes call home. Canyon Village cannot be accessed directly from one of the park's entrances; instead, visitors will ...