Mexico and to the United States. The animals is usually described as being from two to four feet in length, covered with long coarse hair or bristles, and emitting a rather foul stench like that of sulphur. There have been, of course reports of attacks on other types of animals, as well as attacks on small childeren, although I have not heard of any fatalities involving the latter. There are other theories popular on the internet about these creatures, that they are "pets" of extra-terrestrial beings etc... I suppose when dealing with an unknown, cryptozoological animal, one theory is as good as the next. The Chupabra is said to exclusively attack its victims at night, a fact that may play important in learning about them. Although there are obvious advantages to hunting at night, its easier to hide, most prey is sleeping etc.. , there is another possibility altogether which may explin this pattern in their behavior, as well as to how they remain so elusive to searchers.