There's a lizard known as the 'Jesus Lizard' that can run across water.
11
Early American humans hunted car-size armadillos and used their shells for houses.
12
A banana slug can be 6-8 inches and their erect penis can be just as long. Also, their penises emerge from their heads. After sex, banana slugs eat each others penises.
17
Cows can sleep standing up, but they can only dream lying down.
745
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
Condoms were originally made of animal intestines or linen.
347
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79