The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12
There’s a bonobo named Kanzi who has learned to build a campfire and cook his own food.
8
Bats sleep 18-20 hours per day.
5
The Hercules beetle, despite weighing only 100 grams, can lift 8 kilograms, making it one of the proportionally strongest animals in the world.
8