Gray wolves and cougars are not only iconic to the Yellowstone National Park landscape, but they also play important roles in the overall health of the ecosystem. With both being apex predators, ...

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 ...

January 2018 photo released by the National Park Service shows a wolf from the Wapiti Lake pack silhouetted by a nearby hot spring in Yellowstone National Park, Wyo. Park officials say hunters in ...

Wolves usually rely on cooperation to survive. Hunting large prey such as elk typically involves multiple pack members working together to isolate and exhaust an animal. That reality makes one ...

Footage shows part of a wolf-versus-elk pursuit that also has bison taking cover.

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

This winter saw the most wolves from Yellowstone National Park killed in about a century. That's because states neighboring the park changed hunting rules in an effort to reduce the animals' numbers.

Add Yahoo as a preferred source to see more of our stories on Google. A 2-year-old wolf that was beloved by wildlife aficionados and tracked by researchers in Yellowstone National Park has been killed ...

New research shows ravens do not follow wolves to find food. Instead, they remember hunting areas and return later.

A prominent wolf that lived among Yellowstone's most famous wolf pack is believed to have been illegally shot and killed just outside the park last month, according to wildlife experts. The wolf was ...

For those keeping track, the number of wolves harvested by Montana hunters in two management units immediately north of Yellowstone National Park has increased to three. The first wolf to be killed in ...

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