Habitat Suitability Index Models: Western grebe

The western grebe (Aechmophorus occi denta 1is) "breeds from southeastern Alaska, south-central British Columbia, central Alberta, central Saskatchewan and southwestern Manitoba south to southern Californi a, north-central Utah, southwestern Colorado, southwest~rn and northeastern New Mexico, western Nebraska, northwestern Iowa, and western Minnesota; and locally in Mexico from Chihuahua and Durango south to northern Guerrero, Puebla and San Luis Potosi" (American Ornithologists' Union 1983:10).