Bats are nocturnal and hunt at night.

Birds migrate to find food and warmer temperatures.

Black bears hibernate during the winter months.

A giraffe has a long neck to reach the leaves on trees.

Meerkats do a "war dance" to ward off predators.

Ducks have webbed feet to help them swim in water.

A tiger has sharp, pointed teeth to help it tear meat off the bone.

Some birds will make a warning sound to alert their flock if there is danger.

Human shiver when they are cold or pull away from extremely hot objects to avoid getting burned.

Human have thumbs to grab and hold objects, and ears shaped to pick up sound.

A monkey has a long tail to help it swing from branch to branch.

A penguin is white on its belly, and black on its back so it is harder to see underwater from above or below.

A cat has a long tail to help it balance.

A caterpillar looks like a poisonous snake.

Sloths have two extra neck vertebrae that allow them to turn their heads almost all the way around.

Stingrays partially bury themselves on the ocean floor so that their predators can't see them.

Red-tailed hawks have great eyesight. They can see a mouse from 100 feet in the air.