Sharks, like other fish, have their reproductive organs in their chests.
248
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
Dogs sometimes fake being sick to get attention.
26
The reindeer is the only mammal that can see UV light.
17
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79