Ovis canadensis Shaw, 1804 . Nat. Mise., 51, text to pl. 610.

TYPE LOCALITY: Canada, Alberta, Mountains on Bow River, near Exshaw .

DISTRIBUTION: S British Columbia and SW Alberta (Canada) to Coahuila, Chihuahua, Sonora and Baja California (Mexico).

STATUS: CITES - Appendix II for Mexican population.

SYNONYMS: auduboni, californiana, cervina, cremnobates, gaillardi, mexicana, montana, nelsoni, paimeri, pygargus, samilkameenensis, sheldoni, sierrae, texianus, weemsi.

COMMENTS: Corbet (1978c:218) included nivicola; but see also Korobitsyna et al. (1974) and Corbet and Hill (1991: 135). Revised by Cowan (1940). Reviewed by Shackleton (1985, Mammalian Species, 230).