A chameleon's tongue can extend to roughly twice its body length and strikes prey in as little as 0.07 seconds.

Blue whales are the largest animals known to have ever lived.

Fact #246 · Animals

Some butterflies migrate seasonally.

Fact #505 · Animals

Some snakes can sense heat using specialized pits.

Fact #408 · Animals

Some birds migrate between hemispheres each year.

Fact #203 · Animals

A crocodile’s teeth are replaced throughout its lifetime.

Fact #532 · Animals

Some reptiles can survive long periods without food.

Fact #501 · Animals

Some birds migrate using landmarks and stars.

Fact #477 · Animals

Some amphibians can absorb oxygen through their skin.

Fact #328 · Animals