Some say it has a large lizard-like tongue, others say it has wings. Some say it walks, some say it flies, and some say it has a kangaroo hop. See our labeled drawing of El Chupacabra by hitting this link . Like the descriptions of El Chupacabras' appearance, people's ideas of its origin widely vary. Many say it's a new species, or a relative to the panther.
More eccentric scholars say it is a dinosaur or an alien.
Another theory is that there is a portal to another dimension that stretches from Puerto Rico across to South America. Our theory is that an alien spacecraft contained El Chupacabras' as pets or for study, and they somehow escaped during an accident, or a crash. You might have your own theory.