Video shows the intense moment a pack of wolves chases down a herd of more than 300 elk in Yellowstone National Park. The video follows the elk herd as it races away from wolves trailing behind it.

Relationships of two wolves in wintertime in slow motion near dead elk (moose). One of wolves is dominant. Relationships of two wolves in wintertime in slow motion Relationships of two wolves in ...

"He came to her rescue, fighting off the Hurricanes ... Over the past four years she has studied wolves, elk, and aspen in Glacier Park, often on its west side among two large wolf packs, one ...

But the huge fire of 1988 ultimately produced few large trees. The elimination of Yellowstone's wolves allowed the elk to browse aspens unchecked. Finally, Ripple and Larson decided to look within ...

the park reports there are 10 packs with at least 124 wolves in total. They largely prey on elk, deer and even bison. Meanwhile, there are an estimated 10,000 to 20,000 elk in the park ...

In Yellowstone, elk calves are left unprotected by their herd and are the easiest prey for wolves to catch. Luckily, the newborns have no scent and, if hidden well, can fool a wolf into believing ...