Biology:Crotalus angelensis
| Crotalus angelensis | |
|---|---|
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Order: | Squamata |
| Suborder: | Serpentes |
| Family: | Viperidae |
| Genus: | Crotalus |
| Species: | C. angelensis
|
| Binomial name | |
| Crotalus angelensis Klauber, 1963
| |
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| Location of Ángel de la Guarda Island | |
| Synonyms | |
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Crotalus angelensis, or the Ángel de la Guarda Island speckled rattlesnake,[3] is a pitviper species[4][5] endemic to Isla Ángel de la Guarda in the Gulf of California, Mexico.[5] Like all other pitvipers, it is venomous. It is sometimes treated as a subspecies of Crotalus mitchellii.[1]
Description
Grows to a maximum size of 137 centimetres (4 ft 6 in).[3]
Geographic range
Found only on Isla Ángel de la Guarda in the Gulf of California, Mexico.[3] The type locality given is "about 4 miles [6 km] southeast of Refugio Bay, at 1,500 feet [460 m] elevation, Isla Ángel de la Guarda, Gulf of California, Mexico (near 29°29½'N, 113°33'W)".[2][5]
Habitat
Gravelly beaches along the shore; rocky arroyos, washes, and on the hillsides of the island's interior, from sea-level up to 500 m.[1]
Conservation status
This species is classified as "Least Concern" (LC) on the IUCN Red List of Threatened Species. It occurs in a protected area and is very abundant within its small range.[1]
References
- ↑ 1.0 1.1 1.2 1.3 Frost, D.R. (2007). "Crotalus angelensis". The IUCN Red List of Threatened Species (IUCN) 2007: e.T64309A12762496. doi:10.2305/IUCN.UK.2007.RLTS.T64309A12762496.en. http://www.iucnredlist.org/details/64309/0. Retrieved 10 January 2018.
- ↑ 2.0 2.1 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).
- ↑ 3.0 3.1 3.2 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.
- ↑ "Crotalus mitchellii angelensis". Integrated Taxonomic Information System. https://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=635181. Retrieved 13 September 2007.
- ↑ 5.0 5.1 5.2 Crotalus angelensis at the Reptarium.cz Reptile Database. Accessed 13 September 2007.
Further reading
- Klauber, L.M. 1963. A new insular subspecies of the speckled rattlesnake. Trans. San Diego Soc. Nat. Hist. 13: 73-80.
Wikidata ☰ Q60512695 entry
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