Moraga, Patricio (26 July 2004). "Tras los pasos del chupacabras" [Following the steps of chupacabras]. El centro, Journal (in Spanish). Archived from the original on 19 June 2007.
Moraga, Patricio (26 July 2004). "Tras los pasos del chupacabras" [Following the steps of chupacabras]. El centro, Journal (in Spanish). Archived from the original on 19 June 2007.
González Rodríguez, Miried (24 September 2002). "Disfrazado el chupacabras" [Disguised as chupacabras]. Primera Hora (in Spanish). Puerto Rico. Archived from the original on 25 April 2018. Retrieved 25 April 2018.
González Rodríguez, Miried (24 September 2002). "Disfrazado el chupacabras" [Disguised as chupacabras]. Primera Hora (in Spanish). Puerto Rico. Archived from the original on 25 April 2018. Retrieved 25 April 2018.
"chupacabras". Diccionario Clave. Archived from the original on 4 March 2016. states that both singular and plural is chupacabras.