The vampire squid has the ability to turn itself inside out — exposing spines to fend off predators.

Some species of ants create underground tunnel networks.

Fact #497 · Animals

A tarantula can survive for weeks without food.

Fact #353 · Animals

A crocodile can replace its teeth multiple times in its life.

Fact #406 · Animals

Some birds migrate thousands of miles each year.

Fact #77 · Animals

A kangaroo cannot walk backward easily.

Fact #375 · Animals

Certain species of frogs are active at night.

Fact #519 · Animals

A snow leopard’s thick fur helps it survive in cold climates.

Fact #454 · Animals

Certain owls hunt silently because of specialized feather structures.

Fact #542 · Animals