Bats sleep 18-20 hours per day.
5
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
The ancestor of all domestic cats is the African Wild Cat which still exists today.
12
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
When you shave a guinea pig it looks like a little hippo.
19