James Christensen / Northern Pacific Rattlesnake (Crotalus oreganus oreganus) flicking tongue in defensive posture, Barker Canyon Road, Grand Coulee, Grant County, Washington
00537034
James Christensen / Northern Pacific Rattlesnake (Crotalus oreganus oreganus) flicking tongue in defensive posture, Barker Canyon Road, Grand Coulee, Grant County, Washington
00537017
Albert Lleal / Western Diamondback Rattlesnake (Crotalus atrox) head scales, Barker Canyon Road, Grand Coulee, Grant County, Washington. SEM 21x
