Koalas have fingerprints nearly identical to human fingerprints, indistinguishable even under a microscope.

Some reptiles can survive long periods without food.

Fact #501 · Animals

Some birds can mimic human speech.

Fact #268 · Animals

Some birds can fly at high altitudes over mountains.

Fact #323 · Animals

Some lizards can regrow their tails.

Fact #71 · Animals

A tarantula can survive for weeks without food.

Fact #353 · Animals

Sea otters hold hands while sleeping to avoid drifting apart.

Fact #364 · Animals

A toucan’s beak is lightweight despite its size.

Fact #526 · Animals

An ostrich's eye is larger than its brain.

Fact #349 · Animals