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
Dogs have been man's pet for over 14,000 years.
224
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
A domestic cat can sprint at about 31 miles per hour.
274
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
A giraffe's kick is so powerful that it can decapitate a lion.
216