Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
Vampire bats adopt orphans, and are one of the few mammals known to risk their own lives to share food with less fortunate roost-mates.
402
Cat families usually play best in even numbers. Cats and kittens should be acquired in pairs whenever possible!
156
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
The oldest recorded elephant lived for 82 years.
213
