Chupacabras, also known as Mexican Goat Suckers, are a recent addition to the world of cryptozoology. Those who have seen the creatures firsthand describe them in very different ways. Some believe that chupacabras are aliens or vampires. Others believe that chupacabras are merely dogs or coyotes with sarcoptic mange or other extreme skin conditions. What do you think? Here are thirteen engaging facts about our favorite bloodsucking pest – the chupacabra.