Stock photography, photos: Southern Pacific rattlesnake Stock photos of Southern Pacific rattlesnake (Crotalus viridis helleri) with its tongue out; side view of its head above some coils (captive; Southern CA) Photograph: © James Hager Click for a larger image and more information Keywords associated with this stock photo: Southern Pacific rattlesnake, Crotalus viridis helleri, Pacific rattlesnake, rattlesnake, Crotalus viridis, Crotalus, venomous snake, venomous, snake, reptile, animal, wildlife, California