Antilocapra americana (Ord, 1815) . In Guthrie, New Geogr., Hist. Comi. Grammar., Philadelphia, 2nd ed., 2:292.

TYPE LOCALITY: USA, Plains and Highlands of the Missouri River .

DISTRIBUTION: S Alberta and S Saskatchewan (Canada) south through W USA to Hidalgo, Baja California, W Sonora (Mexico). Introduced to Lanai Isl (Hawaiian Isis).

STATUS: CITES - Appendix I (Mexican populations); U.S. ESA and IUCN - Endangered as A. a. peninsularis and A. a. sonoriensis.

SYNONYMS: anteflexa, mexicana, oregona, peninsularis, sonoriensis.

COMMENTS: Reviewed by O'Gara (1978, Mammalian Species, 90).