David A Jahn:
Mountain Patch-nosed Snake (Salvadora grahamiae grahamiae)
David A Jahn:
Sonora Mud Turtle (Kinosternon sonoriense sonoriense)
David A Jahn:
Couch's Spadefoot (Scaphiopus couchii)
David A Jahn:
Mountain Patch-nosed Snake (Salvadora grahamiae grahamiae)
David A Jahn:
Tiger Rattlesnake (Crotalus tigris)
David A Jahn:
Western Diamond-backed Rattlesnake (Crotalus atrox)
David A Jahn:
Banded Rock Rattlesnake (Crotalus lepidus klauberi)
David A Jahn:
Arizona Ridge-nosed Rattlesnake (Crotalus willardi willardi)
David A Jahn:
Yarrow's Spiny Lizard (Sceloporus jarrovii)
David A Jahn:
Western Diamond-backed Rattlesnake (Crotalus atrox)
David A Jahn:
Thornscrub Hook-nosed Snake (Gyalopion quadrangulare)
David A Jahn:
Elegant Earless Lizard (Holbrookia elegans)
David A Jahn:
Black-tailed Rattlesnake (Crotalus molossus)
David A Jahn:
Sonoran Whipsnake (Masticophis bilineatus)
David A Jahn:
Western Diamond-backed Rattlesnake (Crotalus atrox)
David A Jahn:
Black-tailed Rattlesnake (Crotalus molossus)
David A Jahn:
Black-tailed Rattlesnake (Crotalus molossus)
David A Jahn:
Yarrow's Spiny Lizard (Sceloporus jarrovii)
David A Jahn:
Black-tailed Rattlesnake (Crotalus molossus)
David A Jahn:
Ornate Tree Lizard (Urosaurus ornatus)
David A Jahn:
Banded Rock Rattlesnake (Crotalus lepidus klauberi)
David A Jahn:
Banded Rock Rattlesnake (Crotalus lepidus klauberi)
David A Jahn:
Arizona Ridge-nosed Rattlesnake (Crotalus willardi willardi)
David A Jahn:
Sonoran Desert toad (Incilius alvarius)
David A Jahn:
Twin-spotted Rattlesnake (Crotalus pricei pricei)
David A Jahn:
Twin-spotted Rattlesnake (Crotalus pricei pricei)
David A Jahn:
Black-tailed Rattlesnake (Crotalus molossus)
David A Jahn:
Western Diamond-backed Rattlesnake (Crotalus atrox)
David A Jahn:
Sonoran Coral Snake (Micruroides euryxanthus)
David A Jahn:
Sonoran Coral Snake (Micruroides euryxanthus)
