Matthew C. Brown: "Orange-headed" Desert Spiny Lizard, Sceloporus magister cephaloflavus
Matthew C. Brown: "Schott's" Ornate Tree Lizard, Urosaurus ornatus schottii
Matthew C. Brown: 'Arizona' Madrean Alligator Lizard, Elgaria kingii nobilis
Matthew C. Brown: 'Arizona' Madrean Alligator Lizard, Elgaria kingii nobilis
Matthew C. Brown: 'Arizona' Madrean Alligator Lizard, Elgaria kingii nobilis
Matthew C. Brown: 'Arizona' Ridge-nosed Rattlesnake, Crotalus w. willardi
Matthew C. Brown: 'Arizona' Ridge-nosed Rattlesnake, Crotalus w. willardi
Matthew C. Brown: 'Hernandez's' Greater Short-horned Lizard
Matthew C. Brown: 'Hernandez's' Greater Short-horned Lizard
Matthew C. Brown: 16" young Western Diamondback Rattlesnake
Matthew C. Brown: Arizona Ridge-nosed Rattlesnake, Crotalus willardi willardi
Matthew C. Brown: Arizona Ridge-nosed Rattlesnake, Crotalus willardi willardi
Matthew C. Brown: Arizona Ridge-nosed Rattlesnake, Crotalus willardi willardi (video)
Matthew C. Brown: Arizona Ridge-nosed Rattlesnake, Crotalus willardi willardi (video)
Matthew C. Brown: Arizona Treefrog Hyla wrightorum
Matthew C. Brown: Arizona Treefrog Hyla wrightorum
Matthew C. Brown: Arizona Treefrog, Hyla wrightorum
Matthew C. Brown: Arizona Treefrog, Hyla wrightorum
Matthew C. Brown: Banded Rock Rattlesnake
Matthew C. Brown: Banded Rock Rattlesnake, Crotalus lepidus klauberi
Matthew C. Brown: Banded Rock Rattlesnake, Crotalus lepidus klauberi
Matthew C. Brown: Banded Rock Rattlesnake, Crotalus lepidus klauberi
Matthew C. Brown: Banded Rock Rattlesnake, Crotalus lepidus klauberi
Matthew C. Brown: Black-tailed Rattlesnake, Crotalus molossus
Matthew C. Brown: Black-tailed Rattlesnake, Crotalus molossus
Matthew C. Brown: Black-tailed Rattlesnake, Crotalus molossus
Matthew C. Brown: Black-tailed Rattlesnake, Crotalus molossus
Matthew C. Brown: Black-tailed Rattlesnake, Crotalus molossus
Matthew C. Brown: Brown Vinesnake, Oxybelis aeneus
Matthew C. Brown: Brown Vinesnake, Oxybelis aeneus