Denmark has twice as many pigs as there are people.
66
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
Female kangaroos have three vaginas.
2
The ancestor of all domestic cats is the African Wild Cat which still exists today.
12
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2