An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
Giant Anteaters' front legs look like a panda.
48
Sloths take two weeks to digest their food.
243
Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2
There's a lizard known as the 'Jesus Lizard' that can run across water.
11
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6