Sharks, like other fish, have their reproductive organs in their chests.
248
Sloths take two weeks to digest their food.
243
The ancestor of all domestic cats is the African Wild Cat which still exists today.
12
The elephant brain weighs about 6,000g.
274
Only 3% of bird species have penises.
0
During World War 1, starving wolves amassed in such great numbers that Germans and Russians had a temporary cease fire to fight off the wolf attacks.
45