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 most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2
Sharks, like other fish, have their reproductive organs in their chests.
248
Early American humans hunted car-size armadillos and used their shells for houses.
12
The oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
492