Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
An adult giraffe's tongue is 17 inches long.
28
Male monkeys lose the hair on their heads in the same way men do.
41
An albatross can sleep while it flies!
36
A mole can dig a hole 300 feet deep in one night.
-9
We share 70% of our DNA with a slug.
218