Penguins have a gland above their eye that turns saltwater into freshwater.
12
When cats are happy, they may squeeze their eyes shut.
10
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
The male seahorse carries babies and 'gives birth' to them instead of the female.
7
The Basenji dog is the only dog that is not able to bark.
4
The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79