Northern Pacific Rattlesnake (Crotalus oreganus)
CALIFORNIA: Mendocino Co; Mendocino National Forest, near Eel River Campground - June 2015
CALIFORNIA: Tulare Co; Kern Plateau - June 2006
CALIFORNIA: Tulare Co; Kern Canyon - May 2006
CALIFORNIA: Kern Co; Lake Isabella - May 2006
CALIFORNIA: Shasta Co; near Shingletown - August 1997 (scan from slide)