They are made for cold weather

Wolverines choose colder climates because they may build dens in the snow in addition to storing food there. They inhabit the Arctic and Subarctic, as well as the tundra, taiga, boreal woods, and grasslands of northern Europe, Asia, and North America.

These creatures have adapted to survive in the extreme cold. The fact that their thick, oily fur resists cold has made them a target for fur traffickers. Wolverines have large paws that spread to double their size when they contact the ground, spreading their weight to help them move through the snow (they can run up to 30 mph).

Due to their solitary nature, wolverines require large areas of land to wander. Only females are allowed on the males' land, which they mark with their scent. Their areas of control can extend from 40 miles (65 km) to over 372 miles (600 km). Wolverines sleep during the day and hunt at night since these hunters are nocturnal.