Crotalus oreganus caliginis

Crotalus oreganus caliginis
Conservation status
Least Concern (IUCN 3.1)
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Subphylum:	Vertebrata
Class:	Reptilia
Order:	Squamata
Suborder:	Serpentes
Family:	Viperidae
Subfamily:	Crotalinae
Genus:	Crotalus
Species:	C. oreganus
Subspecies:	C. o. caliginis
Trinomial name
Crotalus oreganus caliginis Klauber, 1949
Synonyms
Crotalus viridis caliginis - Klauber, 1949[1] Crotalus oreganus caliginis - Ashton & de Queiroz, 2001[2]

Common names: Coronado Island rattlesnake.^[3]

Crotalus oreganus caliginis is a venomous pitviper subspecies^[4] endemic to South Coronado Island, Mexico.

Description

Adults grow to a maximum size of 68.3 cm.^[3]

Geographic range

Known only from the type locality,^[3] given as "South Coronado Island, off the northwest coast of Baja California, Mexico."^[1]

Conservation status

This species is classified as Least Concern (LC) on the IUCN Red List of Threatened Species (v3.1, 2001).^[5] 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.^[6]

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

References

1. ^ ^{a b} 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).
2. ^ Ashton KG, de Queiroz A. 2001. Molecular systematics of the western rattlesnake, Crotalus viridis (Viperidae), with comments on the utility of the d-loop in phylogenetic studies of snakes. Molecular Phylogenetics and Evolution, Vol. 21, No.2, pp. 176-189. PDF at CNAH. Accessed 3 September 2008.
3. ^ ^{a b c} Klauber LM. 1997. Rattlesnakes: Their Habitats, Life Histories, and Influence on Mankind. Second Edition. 2 volumes. Reprint, University of California Press, Berkeley. ISBN 0-520-21056-5.
4. ^ "Crotalus oreganus caliginis". Integrated Taxonomic Information System. http://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=683062. Retrieved 13 September 2007. 
5. ^ Crotalus caliginis at the IUCN Red List. Accessed 13 September 2007.
6. ^ 2001 Categories & Criteria (version 3.1) at the IUCN Red List. Accessed 13 September 2007.

External links

• Crotalus oreganus at the Reptarium.cz Reptile Database. Accessed 13 September 2007.