Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
Alligator snapping turtles can live for over 150 years. Scientists know this because some of the turtles had musket balls in their stomachs.
271
There's a lizard known as the 'Jesus Lizard' that can run across water.
11
The oldest creature ever found was Ming the clam at an admirable 507 years old.
16
Crows living in some urban areas drop nuts into traffic to let the passing cars crush them, then they wait for the red lights to stop the traffic so they can grab and eat it.
17