The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
In 2011, a male tiger in India adopted a litter of orphaned cubs, taking on the role of ‘mother’. Wildlife officials say such behavior had never been observed before.
9
Bats sleep 18-20 hours per day.
5
There’s a bonobo named Kanzi who has learned to build a campfire and cook his own food.
8
The largest earthworm on record was found in South Africa and measured 22 feet.
151
There are approximately three chickens for every human on Earth.
13
There's a lizard known as the 'Jesus Lizard' that can run across water.
11