Some species of ant use pheromones to mark the dead — nestmates carry them to a cemetery outside the nest.

A toucan’s beak is lightweight despite its size.

Fact #526 · Animals

Some birds migrate thousands of miles each year.

Fact #77 · Animals

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

Fact #342 · Animals

Some reptiles can live for over a century.

Fact #319 · Animals

Many species of beetles have hardened wing covers called elytra.

Fact #457 · Animals

A crocodile’s teeth are replaced throughout its lifetime.

Fact #532 · Animals

Some frogs can survive being frozen during winter.

Fact #24 · Animals

Some insects can survive being frozen.

Fact #560 · Animals