Crotalus willardi obscurus Harris and Simmons, 1974  
Family: Viperidae
Animas Ridge-nosed Rattlesnake
Crotalus willardi obscurus image
Crotalus willardi obscurus image
Dale S. Turner  
Crotalus willardi obscurus image
D. G. Barker  
Crotalus willardi obscurus image
D. G. Barker  
Crotalus willardi obscurus image
Dale S. Turner  
Crotalus willardi obscurus image
Dale S. Turner  
Crotalus willardi obscurus image
D. G. Barker  
Crotalus willardi obscurus image
D. G. Barker  
Crotalus willardi obscurus image
Dale S. Turner  
Crotalus willardi obscurus image
Dale S. Turner  
Crotalus willardi obscurus image
D. G. Barker  
Crotalus willardi obscurus image
D. G. Barker