Polar bears have black skin underneath their white fur to better absorb heat from the Sun.

Male seahorses carry and give birth to their young.

Fact #359 · Animals

Bats are the only mammals capable of sustained flight.

Fact #58 · Animals

A cuttlefish can camouflage almost instantly.

Fact #383 · Animals

Butterflies can see ultraviolet patterns on flowers.

Fact #368 · Animals

Elephants communicate using low-frequency sounds.

Fact #51 · Animals

Some frogs carry their tadpoles on their backs.

Fact #354 · Animals

Some amphibians can absorb oxygen through their skin.

Fact #328 · Animals

Some birds can fly for months without landing.

Fact #164 · Animals