Arizona Ecological Services
Southwest Region
"Conserving the Nature of America"

New Mexico Ridge-nosed Rattlesnake
Scientific Name:
Crotalus willardi obscurus


Credit: Jim Rorabaugh/USFWS

Office Lead:
Jeff Servoss
Click here for a generalized species location map
Click on the Cactus to View the Document Title Author(s) Year File Size/Source
News Release: Service Seeks Latest Scientific Information on Health, Population Trends for 24 Species News Release: Service Seeks Latest Scientific Information on Health, Population Trends for 24 Species U.S. Fish and Wildlife Service May 2, 2007 74 Kb
Federal Register: 5-Year Reviews of 24 Southwestern Species Federal Register: 5-Year Reviews of 24 Southwestern Species U.S. Fish and Wildlife Service April 23, 2007 66 Kb
General Species Information General Species Information Arizona Ecological Services Field Office September 2002 5 Kb
New Mexico Ridgenose Rattlesnake Recovery Plan New Mexico Ridge-nosed Rattlesnake Recovery Plan U.S. Fish and Wildlife Service 1985 4.5 MB
Listing of New Mexican Ridge-nosed Rattlesnake as Threatened Species with Critical Habitat Listing of New Mexican Ridge-nosed Rattlesnake as Threatened Species with Critical Habitat U.S. Fish and Wildlife Service August 4, 1978 563 Kb

Last updated: March 13, 2013
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