Cryptids (animals wholly unknown to science) seem to me to be quite believable, except for things like the Loch Ness Monster or the Mothman, who are pretty far-fetched. I have seen pictures of dead chupacabras, skeletons of chupacabras, etc... I know that pictures can be faked, but why would someone go to that much trouble to prove the existence of an animal that really isn't very sensational or odd. They look like some kind of large weasel with ridiculously enlarged canine teeth, which is probably what they are. They probably aren't some kind of mystical vampire creature that can fly and turn itself invisible, as some drunken gauchos may have attested.