Glyptodons were giant armored mammals.

Some species of turtles can breathe through their cloaca underwater.

Fact #365 · Animals

The mantis shrimp has some of the most complex eyes in the animal kingdom.

Fact #442 · Animals

Some species of ants wage organized territorial battles.

Fact #401 · Animals

Certain species of frogs are active at night.

Fact #519 · Animals

Some species of jellyfish can shrink and regrow their bodies.

Fact #428 · Animals

A koala sleeps for many hours each day.

Fact #490 · Animals

A cuttlefish can camouflage almost instantly.

Fact #383 · Animals

Some snakes can sense heat using specialized pits.

Fact #408 · Animals