Range Information | Federal Register | Recovery | Critical Habitat | Conservation Plans | Petitions | Life History

Listing Status:   

Where Listed: WHEREVER FOUND

Current Listing Status Summary
Status Date Listed Lead Region Where Listed
1978-08-21 Southwest Region (Region 2) Wherever found Additional species information
 

» Federal Register Documents

Federal Register Documents
Date Citation Page Title
2007-04-23 00:00:00.0 72 FR 20134 20136 5-Year Reviews of 24 Southwestern Species
1978-08-04 00:00:00.0 43 FR 34476 34480 Listing of the New Mexican Ridge-nosed Rattlesnake as a Threatened Species with Critical Habitat
1977-05-26 00:00:00.0 42 FR 27007 27009 Proposed Endangered Status and Critical Habitat for New Mexico Ridge-Nosed Rattlesnake; 42 FR 27007 27009 (Crotalus willardi obscurus)
2018-05-31 00:00:00.0 83 FR 25034 25038 Initiation of 5-Year Status Reviews of 38 Species in the Southwest Region (Arizona, New Mexico, Oklahoma, and Texas); Notice of initiation of reviews; request for information.

» Recovery

Current Recovery Plan(s)
Date Title Plan Action Status Plan Status
1985-03-22 New Mexico Ridge-nosed Rattlesnake View Implementation Progress Final
Other Recovery Documents
Date Citation Page Title Document Type
2018-05-31 83 FR 25034 25038 Initiation of 5-Year Status Reviews of 38 Species in the Southwest Region (Arizona, New Mexico, Oklahoma, and Texas); Notice of initiation of reviews; request for information.
  • Notice 5-year Review, Initiation
2007-04-23 72 FR 20134 20136 5-Year Reviews of 24 Southwestern Species
  • Notice 5-year Review, Initiation

» Critical Habitat

Date Citation Page Title Document Type Status
1978-08-04 43 FR 34476 34480 Listing of the New Mexican Ridge-nosed Rattlesnake as a Threatened Species with Critical Habitat Final Rule Final designated
1977-05-26 42 FR 27007 27009 Proposed Endangered Status and Critical Habitat for New Mexico Ridge-Nosed Rattlesnake; 42 FR 27007 27009 (Crotalus willardi obscurus) Proposed Rule Not Required

To learn more about critical habitat please see http://ecos.fws.gov/crithab

» Conservation Plans

Habitat Conservation Plans (HCP) (learn more)
HCP Plan Summaries
Malpai Borderlands

» Petitions

» Life History

» Other Resources

NatureServe Explorer Species Reports -- NatureServe Explorer is a source for authoritative conservation information on more than 50,000 plants, animals and ecological communtities of the U.S and Canada. NatureServe Explorer provides in-depth information on rare and endangered species, but includes common plants and animals too. NatureServe Explorer is a product of NatureServe in collaboration with the Natural Heritage Network.

ITIS Reports -- ITIS (the Integrated Taxonomic Information System) is a source for authoritative taxonomic information on plants, animals, fungi, and microbes of North America and the world.

FWS Digital Media Library -- The U.S. Fish and Wildlife Service's National Digital Library is a searchable collection of selected images, historical artifacts, audio clips, publications, and video.