A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
The elephant brain weighs about 6,000g.
274
Sharks have been on the planet longer than trees.
14
A giraffe's kick is so powerful that it can decapitate a lion.
216
Bats sleep 18-20 hours per day.
5
The head of a jellyfish is called the "Bell."
6
Dogs have been man's pet for over 14,000 years.
224