Some species of cicadas emerge from underground only once every 17 years.

A cuttlefish can camouflage almost instantly.

Fact #383 · Animals

Some species of frogs can survive being partially dehydrated.

Fact #444 · Animals

Some species of snakes give live birth instead of laying eggs.

Fact #540 · Animals

A zebra’s stripes may help confuse predators.

Fact #500 · Animals

A giraffe's neck contains the same number of vertebrae as a human's.

Fact #398 · Animals

Certain species of frogs are active at night.

Fact #519 · Animals

Some marine mammals communicate through clicks and whistles.

Fact #525 · Animals

A porcupine raises quills as a defense mechanism.

Fact #524 · Animals