Crotalus pricei
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| Crotalus pricei Van Denburgh, 1895 |
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Crotalus pricei is a venomous pitviper species found in the United States and Mexico. Currently, two subspecies are recognized, including the nominate subspecies described here.[4]
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[edit] Description
Adults usually do not exceed 50-60 cm in length. The maximum length recorded was 66 cm.[2]
The color pattern consists of a gray, bluish gray, brownish gray, or medium to reddish brown ground color, usually with a fine brown speckling. This is overlaid with a series of dorsal blotches that then to be divided down the median line to form 39-64 pairs.[2]
[edit] Common names
Twin-spotted rattlesnake,[2] western twin-spotted rattlesnake,[3] Price's rattlesnake, Arizona spotted rattlesnake, spotted rattlesnake,[5] Arizona twin-spotted rattlesnake.[6]
[edit] Geographic range
Found in in the United States in southeastern Arizona. In northern Mexico it occurs in the Sierra Madre Occidental in Sonora, Chihuahua and Durango. It has also been found in the Sierra Madre Oriental in southeastern Coahuila, Nuevo León and Tamaulipas, with isolated records in San Luis Potosi and Aguascalientes. The type locality given is "Huachua Mts., Arizona" (Cochise County, Arizona, USA).[1]
[edit] Conservation status
This species is classified as Least Concern (LC) on the IUCN Red List of Threatened Species (v3.1, 2001).[7] Species are listed as such due to their wide distribution, presumed large population, or because it is unlikely to be declining fast enough to qualify for listing in a more threatened category. The population trend is stable. Year assessed: 2007.[8]
[edit] Subspecies
| Subspecies[4] | Authority[4] | Common name[3] | Geographic range[1] |
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| C. p. miquihuanus | Gloyd, 1940 | Eastern twin-spotted rattlesnake | Mexico: southeastern Coahuila, Nuevo León and Tamaulipas. |
| C. p. pricei | Van Denburgh, 1895 | Western twin-spotted rattlesnake | United States: southeastern Arizona. Mexico: Sonora, Chihuahua and Durango. |
[edit] See also
- List of crotaline species and subspecies
- Crotalus by common name
- Crotalus by taxonomic synonyms
- Crotalinae by common name
- Crotalinae by taxonomic synonyms
- Snakebite
[edit] References
- ^ a b c McDiarmid RW, Campbell JA, Touré T. 1999. Snake Species of the World: A Taxonomic and Geographic Reference, vol. 1. Herpetologists' League. 511 pp. ISBN 1-893777-00-6 (series). ISBN 1-893777-01-4 (volume).
- ^ a b c d Campbell JA, Lamar WW. 2004. The Venomous Reptiles of the Western Hemisphere. Comstock Publishing Associates, Ithaca and London. 870 pp. 1500 plates. ISBN 0-8014-4141-2.
- ^ a b c Klauber LM. 1997. Rattlesnakes: Their Habitats, Life Histories, and Influence on Mankind. Second Edition. First published in 1956, 1972. University of California Press, Berkeley. ISBN 0-520-21056-5.
- ^ a b c Crotalus pricei (TSN 174315). Integrated Taxonomic Information System. Retrieved on 1 August 2007.
- ^ Wright AH, Wright AA. 1957. Handbook of Snakes. Comstock Publishing Associates. (7th printing, 1985). 1105 pp. ISBN 0-8014-0463-0.
- ^ Brown JH. 1973. Toxicology and Pharmacology of Venoms from Poisonous Snakes. Springfield, Illinois: Charles C. Thomas. 184 pp. LCCCN 73-229. ISBN 0-398-02808-7.
- ^ Crotalus pricei at the IUCN Red List. Accessed 13 September 2007.
- ^ 2001 Categories & Criteria (version 3.1) at the IUCN Red List. Accessed 13 September 2007.
[edit] External links
- Crotalus pricei at the TIGR Reptile Database. Accessed 12 December 2007.
