Wolverine
© Anna Yu / iStockphoto
Wolverine, © Ken Curtis

You may also be interested in:

Polar Bear, © Paul Nicklen / National Geographic Stock
Conservation Issue
Climate change is now one of the leading threats to wildlife. Find out what Defenders is doing to help animals around the country survive in a warming planet.
Wolverine, © Kevin Curtis
Fact Sheet
Called "skunk bear" by the Blackfeet Indians, the wolverine is the largest terrestrial member of the weasel family. It has a broad head, small eyes and short rounded ears.
Wolverine, © Ken Curtis
In the Magazine
Wolverines have strength, hardiness, powerful jaws and sharp claws on their side, but Gulo gulo still may not be resilient enough to survive climate change in the American West.