A tarantula can shed its exoskeleton as it grows.

Certain frogs use loud calls to attract mates.

Fact #459 · Animals

Certain birds store food in hidden caches.

Fact #426 · Animals

Some species of bats use echolocation to hunt in darkness.

Fact #390 · Animals

Some species of jellyfish are biologically immortal under certain conditions.

Fact #159 · Animals

Many birds use Earth's magnetic field for navigation.

Fact #388 · Animals

A mantis shrimp can strike with the speed of a bullet.

Fact #342 · Animals

A crocodile’s teeth are replaced throughout its lifetime.

Fact #532 · Animals

A sea sponge is an animal, not a plant.

Fact #541 · Animals