Cows can sleep standing up, but they can only dream lying down.
745
Gorillas can catch human colds and other illnesses.
205
Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57
There's a lizard known as the 'Jesus Lizard' that can run across water.
11
Condoms were originally made of animal intestines or linen.
347
A group of pugs is called a grumble.
10