A tourist guide at Yellowstone filmed a wolf chasing after an elk for about 3.5 to 4 miles.

Allan Hathaway, a wildlife photographer, captured the video of the Wapiti wolf pack chasing after the lone bison in ...

“We have captured many hunting sequences on camera but have not observed one where the wolf was leaping like this." ...

It’s an animal-eat-animal world out there, especially in Yellowstone National Park. There are almost 70 different mammal species in Yellowstone, and most of those can be separated into two categories: ...

Add Yahoo as a preferred source to see more of our stories on Google. Wolves are swift and agile, but they typically remain close to the ground while chasing prey. But not always. The accompanying ...