[tʃupaˈkaβɾas] , literally goat-sucker) is a legendary cryptid rumored to inhabit parts of the Americas, with the first sightings reported in Puerto Rico.The name comes from the animal's reported habit of attacking and drinking the blood of livestock, especially goats. Physical descriptions of the creature vary.t is known as both chupacabras and chupacabra throughout the Americas, with the former being the original word, and the latter a regularization of it. The name in Spanish can be preceded by a singular masculine article (el chupacabras), or the plural masculine article (los chupacabras).