Gorillas can catch human colds and other illnesses.
205
Only 3% of bird species have penises.
0
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
Mahatma Gandhi used to travel with his goat so that he could have fresh milk.
11
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12