A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
Condoms were originally made of animal intestines or linen.
347
A dairy cow can produce more milk when listening to music.
446
Penguins have a gland above their eye that turns saltwater into freshwater.
12