Continent: Caribbean
Distribution: Hispaniola, Ile de la Gonave, Isla Saona  Hypsirhynchus ferox ferox: Hispaniola: Haiti and República Dominicana north of and including Plaine de Cul de Sac-Valle de Neiba; southern Haiti north and south of Massif de la Selle; Peninsula de Barahona.
Type locality: 'Barbados"; restricted by Boulenger, 1894, to Santo Domingo; further restricted by Schwartz, 1971, to vicinity of Port-au-Prince, Département de l'Ouest, Haiti, but corrected to "República Dominicana" by Wetherbee, 1987.  Hypsirhynchus ferox exedrus (HOLOTYPE USNM 167298): Isla Saona.   Hypsirhynchus ferox paracrousis (HOLOTYPE CM 52284): Île de la Gonâve.