A dog's naked behind leaves absolutely no bacteria when pressed against carpet.
250
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
The male seahorse carries babies and 'gives birth' to them instead of the female.
7
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
When you shave a guinea pig it looks like a little hippo.
19
A dork is a whale's penis.
327
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12