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

Scientists have discovered a wolf in Minnesota that has grown an extra tooth. The Voyageurs Wolf Project, a research group that tracks wolves roaming the Voyageurs National Park in northern Minnesota, ...

Gray wolves adapt their diets as a result of climate change, eating harder foods such as bones to extract nutrition during warmer climates, new research has found. The study, led by the University of ...