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

The carnivorous predators eat harder foods - such as bones - to extract nutrition during warmer climates. The post Research ...

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

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

EATONVILLE, Washington (Reuters) - The endangered red wolf, the lone wolf species native only to the United States, is slowly coming back thanks to a breeding and reintroduction program that also ...

A baby bison was napping away from its herd in Yellowstone National Park when a pack of wolves cornered it, and sunk their teeth into its neck, a video shows. Then two bison came charging to its ...

A calf (not the one pictured) was surrounded by wolves on June 10 in Yellowstone National Park. Two adult bison barreled through, saving the baby. Neal Herbert National Park Service A baby bison was ...