Crocodiles will stick their tongue out when they're mad.

Everyone can lick their own elbow.

Maine is the only state with a one-syllable name.

Tigers have striped skin, not just striped fur.

Lightning never strikes twice.

An ostrich's eye is bigger than its brain.

You can often see elephants jumping in the jungle.

The fingerprints of a koala are so indistinguishable from humans that they have on occasion been confused at a crime scene.

The opposite sides of a dice always add up to 7.

Tomatoes, cucumbers and peppers are all vegetables.

A glass ball can bounce higher than a rubber ball of the same size.

Snails can nap for as long as three years.

Saturn is the only planet with rings.

Before 1913 parents could mail their kids to Grandma’s – through the postal service.