Cows can sleep standing up, but they can only dream lying down.
745
There are approximately three chickens for every human on Earth.
13
There's a rare breed of pig that looks like a sheep.
14
Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12
Allegedly, Chrysippus, the Greek philosopher, died of laughter after getting his donkey drunk and watching it try to eat figs.
47
Sharks, like other fish, have their reproductive organs in their chests.
248
There's a young hippo and a 130+ year old tortoise in a Kenyan wildlife preserve who are best friends and they even sleep and play together.
40