Some species of jellyfish can live forever by reverting to their juvenile polyp stage after reproducing.

A toucan’s beak is lightweight despite its size.

Fact #526 · Animals

A parrot can mimic human speech sounds.

Fact #429 · Animals

Some species of ants can form bridges using their bodies.

Fact #420 · Animals

Some birds use tools to extract insects from wood.

Fact #416 · Animals

Some lizards can detach their tails to escape predators.

Fact #509 · Animals

Some birds can fly at high altitudes over mountains.

Fact #323 · Animals

Many species of beetles have hardened wing covers called elytra.

Fact #457 · Animals

Some marine mammals communicate through clicks and whistles.

Fact #525 · Animals