Cows can sleep standing up, but they can only dream lying down.
745
There’s a bonobo named Kanzi who has learned to build a campfire and cook his own food.
8
The colossal squid has the largest eyes in the world.
4
Gorillas can catch human colds and other illnesses.
205
Sloths take two weeks to digest their food.
243
Rex the German Shepherd was a rescue dog with a bad temper. He refused to be fed by humans and would attack strangers, but he’s a changed dog after falling in love with Geraldine the goose!
10
In 1918, a homing pigeon saved over 190 American soldiers by delivering a message to nearby support despite having been shot through the breast, blinded in one eye, covered in blood, and with a leg hanging on by just a tendon.
22
There's a rare breed of pig that looks like a sheep.
14