Banging your head against the wall uses 150 calories per hour.

The male praying mantis cannot copulate while its head is attached to its body. The female initiates sex by ripping the male's head off.

The flea can jump 350 times its body length. That compares to a human jumping the length of a football field.

A catfish has over 27,000 taste buds.

Some lions mate over 50 times in one day.

Butterflies Taste with their feet.

The strongest muscle in the body is the tongue.

Right-handed people live, on the average, nine years longer than left-handed people.

Elephants are the only animals that cannot jump.

A cat's urine glows under a black light.

An ostrich's eye is bigger than its brain.

Starfish have no brains.

Polar bears are left-handed.