Wolves make dens in mountains, forests, or deserts. Mothers make dens. They live in the US, Europe, and the far north.
Wolves are mammals and are a part of the dog family. It includes dogs, foxes, coyotes, and jackals. Their fur comes in red, white grey, and silver.
Wolves have 100 times better hearing then humans do. Males howl at females to get attention. Bigger females and males lead the pack.