Sheep, goats, octopuses, and toads have rectangular pupils.
7
Cows can sleep standing up, but they can only dream lying down.
745
A giraffe's kick is so powerful that it can decapitate a lion.
216
If a vampire bat goes 2 days without drinking blood, they can die. However, well fed female bats will puke up blood and share it with other bats that they like in exchange for grooming.
13
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
The Hercules beetle, despite weighing only 100 grams, can lift 8 kilograms, making it one of the proportionally strongest animals in the world.
8