Todd W Pierson:
Crotalus lepidus klauberi: Banded Rock Rattlesnake
Todd W Pierson:
Crotalus adamanteus: Eastern Diamond-Backed Rattlesnake
Todd W Pierson:
Crotalus adamanteus: Eastern Diamond-Backed Rattlesnake
Todd W Pierson:
Crotalus adamanteus: Eastern Diamond-Backed Rattlesnake
Todd W Pierson:
Crotalus atrox: Western Diamond-backed Rattlesnake
Todd W Pierson:
Crotalus atrox: Western Diamond-backed Rattlesnake
Todd W Pierson:
Crotalus tigris: Tiger Rattlesnake
Todd W Pierson:
Crotalus scutulatus: Mohave Rattlesnake
Todd W Pierson:
Crotalus willardi willardi: Arizona Ridge-Nosed Rattlesnake
Todd W Pierson:
Crotalus lepidus klauberi: Banded Rock Rattlesnake
Todd W Pierson:
Crotalus scutulatus: Mohave Rattlesnake
Todd W Pierson:
Crotalus pricei pricei: Western Twin-Spotted Rattlesnake
Todd W Pierson:
Crotalus tigris: Tiger Rattlesnake
Todd W Pierson:
Crotalus molossus: Black-Tailed Rattlesnake
Todd W Pierson:
Bothriechis thalassinus
Todd W Pierson:
Agkistrodon contortrix: Southern Copperhead
Todd W Pierson:
Crotalus cerastes: Sidewinder
Todd W Pierson:
Crotalus willardi willardi: Arizona Ridge-Nosed Rattlesnake
Todd W Pierson:
Crotalus viridis: Prairie Rattlesnake
Todd W Pierson:
Crotalus viridis: Prairie Rattlesnake
Todd W Pierson:
Crotalus adamanteus: Eastern Diamondback
Todd W Pierson:
Crotalus viridis: Prairie Rattlesnake
Todd W Pierson:
Bothrops atrox: Labaria
Todd W Pierson:
Echis coloratus: Burton's Saw-Scaled Viper
Todd W Pierson:
Echis carinatus sochureki: Sindh Saw-Scaled Viper
Todd W Pierson:
Echis omanensis: Oman Saw-Scaled Viper
Todd W Pierson:
Crotalus horridus: Timber Rattlesnake
Todd W Pierson:
Echis carinatus sochureki: Sindh Saw-Scaled Viper
Todd W Pierson:
Crotalus oreganus oreganus: Northern Pacific Rattlesnake
Todd W Pierson:
Bothrops atrox: Labaria
