Crotalus willardi

Crotalus willardi
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Squamata
Suborder: Serpentes
Family: Viperidae
Genus: Crotalus
Species:
C. willardi
Binomial name
Crotalus willardi
Meek, 1905
Synonyms[2][3]
  • Crotalus willardi
    Meek, 1905
  • Crotalus willardi willardi
    — Klauber, 1949
Common names: ridge-nosed rattlesnake, Willard's rattlesnake, Willard's rattler[4]

Crotalus willardi is a venomous pit viper species found in the southwestern United States and Mexico. This snake is found mainly in the "sky island" region.[5] The IUCN reports this snake's conservation status as being of Least Concern.[1] It is the official state reptile of Arizona.[6]

  1. ^ a b Hammerson, G.A.; Vazquez Díaz, J.; Quintero Díaz, G.E. (2007). "Crotalus willardi". IUCN Red List of Threatened Species. 2007: e.T62253A12584209. doi:10.2305/IUCN.UK.2007.RLTS.T62253A12584209.en. Retrieved 19 November 2021.
  2. ^ McDiarmid RW, Campbell JA, Touré T (1999). Snake Species of the World: A Taxonomic and Geographic Reference, Volume 1. Washington, District of Columbia: Herpetologists' League. 511 pp. ISBN 1-893777-00-6 (series). ISBN 1-893777-01-4 (volume).
  3. ^ "Crotalus willardi ". The Reptile Database. www.reptile-database.org.
  4. ^ Wright AH, Wright AA (1957). Handbook of Snakes of the United States and Canada. Ithaca and London: Comstock Publishing Associates. 1,105 pp. (in 2 volumes). (7th printing, 1985, ISBN 0-8014-0463-0). (Crotalus willardi, pp. 1034-1037, Figures 294-295 + Map 67 on p. 951).
  5. ^ Brennan, Thomas (2008). "RIDGE-NOSED RATTLESNAKE Crotalus willardi". Retrieved 16 May 2019. http://www.reptilesofaz.org/Snakes-Subpages/h-c-willardi.html Archived 2016-08-11 at the Wayback Machine
  6. ^ Arizona Rattlesnakes: Rattlesnake Facts, Arizona Game and Fish Department, retrieved 2019-05-16