Sloths take two weeks to digest their food.
243
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
Lurch, a Watusi bull, had the largest horns in the world.
32
Cows can sleep standing up, but they can only dream lying down.
745
Tigers can see 6 times better at night than humans.
305
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
The oldest recorded elephant lived for 82 years.
213