The blanket octopus is immune to the venom of the Portuguese man o' war and even uses its tentacles as weapons.

Dolphins use echolocation to navigate and hunt underwater.

Fact #12 · Animals

A walrus uses its tusks to haul itself onto ice.

Fact #536 · Animals

Many species of beetles have hardened wing covers called elytra.

Fact #457 · Animals

A fox has keen hearing adapted for hunting small prey.

Fact #534 · Animals

A zebra’s stripes may help confuse predators.

Fact #500 · Animals

Some fish use tools to crack open shellfish.

Fact #405 · Animals

Some species of ants can form bridges using their bodies.

Fact #420 · Animals

Bats are the only mammals capable of sustained flight.

Fact #58 · Animals