New Mexico ridgenose rattlesnake

Reasner, C., and E. Muldavin. 2022. Species Distribution Models for Seventeen Vertebrate Species of Greatest Conservation Need in New Mexico. Natural Heritage New Mexico.

Holycross, A.T. 1995. Status of the Animas Mountains Population of Crotalus willardi obscurus. Unpublished Report of Activities Conducted Under professional Service Contract No. 95-516-28 for the New Mexico Game and Fish Department (NMDGF). Arizona State

• Crotalus willardi obscurus
• Peloncillo Mountains
• New Mexico ridgenose rattlesnake

Christman, M.R. 2011. Photograph and sighting of Crotalus willardi obscurus.

• Crotalus willardi obscurus
• New Mexico ridgenose rattlesnake

Christman, B. 2017. FWS Annual Permit Report and Data for Chiricahua Leopard Frog, Narrow-headed and Mexican Gartersnakes, and New Mexico Ridge-nosed Rattlesnake. FWS Permit TE-071287-1. Albuquerque, NM.

Painter, C. and L. Pierce. 2001. New Mexico amphibian and reptile GIS coverages. 123 p.

Painter, C. 2012. Conservation of endangered, threatened, and sensitive amphibians and reptiles. Performance report to U.S. Fish and Wildlife Report, Section 6 E-61-5. 58p.

Painter, C. 2008. Conservation of endangered, threatened, and sensitive amphibians and reptiles. Performance report to U.S. Fish and Wildlife Report, Section 6 E-61-2. 68p.

• Sceloporus arenicolus
• Lithobates chiricahuensis
• Plethodon neomexicanus
• Crotalus willardi obscurus
• New Mexico ridgenose rattlesnake
• Dunes Sagebrush Lizard
• Jemez mountains salamander
• Chiricahua leopard frog

Greenwalt, L. 1978. Rules and regulations. Federal Register. vol.43, NO. 151-Friday, August 4, 1978.

• Crotalus willardi obscurus
• New Mexico ridgenose rattlesnake

Barker, D.G. 1991. An investigation of the natural history of the New Mexico ridgenose rattlesnake, Crotalus willardi obscurus. 100 p.

• Crotalus willardi obscurus
• New Mexico ridgenose rattlesnake
• ridgenose rattlesnake
• Crotalus willardi

Holycross, A.T. 1996. Recommendations for limiting impacts of prescribed burns on Crotalus willardi obscurus. Unpubl. letter to USFWS. Arizona State University, Department of Zoology, Tempe, AZ. p. 5.

• Crotalus willardi obscurus
• Peloncillo Mountains
• prescribed burning
• New Mexico ridgenose rattlesnake