The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57
When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
There’s a bonobo named Kanzi who has learned to build a campfire and cook his own food.
8
In 1955, the citizens of São Paulo were so upset with their government that they elected a rhinoceros named Cacareco (meaning rubbish) to the city council in protest, with over 100,000 votes.
18
Macaques monkeys in Japan learned to steal purses and wallets, take out the coins, and use them to buy drinks and snacks from vending machines.
26
Cows can sleep standing up, but they can only dream lying down.
745