There are approximately three chickens for every human on Earth.
13
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
Female kangaroos have three vaginas.
2
Camels and llamas can cross breed. The offspring is called a ‘Cama’.
10
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
The elephant brain weighs about 6,000g.
274
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14