Some animals hide underground. Others hide in trees. Some hang from the rafters. Animals also need space to grow, play, find food, and mate. Many animals need more than one type of habitat to survive.
Grizzly bears use dense forests for cover and open areas for gathering berries.
Wildlife also may change their habitat needs depending on the season. A ruffed grouse is a common bird found in or near aspen forests. Aspen trees provide food and cover for ruffed grouse. Forest habitats are areas covered mostly by trees. Wildlife that live in forests need trees for food or cover.