Cows can sleep standing up, but they can only dream lying down.
745
The Lion's Mane Jellyfish is the largest jellyfish in the world. They have been swimming in arctic waters since before the dinosaurs (over 650 million years ago).
12
A dairy cow can produce more milk when listening to music.
446
The Basenji dog is the only dog that is not able to bark.
4
There’s a bonobo named Kanzi who has learned to build a campfire and cook his own food.
8
Sharks, like other fish, have their reproductive organs in their chests.
248
The elephant brain weighs about 6,000g.
274
