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 Yellowstone National Park.

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 ...

When wolves are on the hunt, a kill rarely goes unnoticed for long. In the elk- and deer-rich areas of northern Yellowstone National Park, ravens are often among the first scavengers to arrive on the ...