Ridge-nosed Rattlesnake (Crotalus willardi)

New Mexico Ridge-nosed Rattlesnake Crotalus willardi obscurus photo by Young Cage

Chihuahuan Ridge-nosed Rattlesnake Crotalus willardi silus photo by Erik F. Enderson

Arizona Ridge-nosed Rattlesnake Crotalus willardi willardi photo by Erik F. Enderson

Arizona Ridge-nosed Rattlesnake Crotalus willardi willardi photo by Erik F. Enderson

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© 1996-2005 Tucson Herpetological Society
Revised: 1 June 2005