Fossil and modern wolf teeth show that as winters grow warmer and snow declines, gray wolves are forced to work harder for food.

Learn how warming winters are making life harder for grey wolves, a struggle that the species has faced at least once before.

This year’s elk season is a historic one in Colorado. It’s the first time in more than 80 years that big-game hunters have shared the landscape with an established population of gray wolves. This is ...

Gray wolves adapt their diets as a result of climate change, eating harder foods such as bones to extract nutrition during ...

Editor’s note: This story first appeared in Mountain Journal. YELLOWSTONE NATIONAL PARK — Around Crystal Creek, where the road bridges the Lamar River at the fringe of Yellowstone National Park’s ...