- Tree cavities: Many animals, such as squirrels, raccoons, and owls, live in tree cavities. These cavities provide protection from the elements and predators.
- Dens: Dens are underground burrows or caves that are used by animals for shelter and protection from predators. Many mammals, such as foxes, coyotes, and bears, live in dens.
- Nests: Nests are structures that are built by animals to provide a safe place to lay eggs and raise young. Birds, insects, and reptiles all build nests.
- Rocks and logs: Some animals, such as lizards, snakes, and frogs, find shelter under rocks and logs. These objects provide protection from the sun, rain, and predators.
- Water: Some animals, such as fish, turtles, and frogs, live in water. Water provides a safe place to swim, feed, and lay eggs.
- Human structures: Some animals, such as pigeons, sparrows, and bats, find shelter in human structures, such as buildings, bridges, and barns. These structures provide protection from the elements and predators.
