| Crotalus angelensis | |
|---|---|
Scientific classification
| |
| 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
| |
| |
| Location of Ángel de la Guarda Island | |
| Synonyms | |
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
- ^ a b c d Frost, D.R. (2007). "Crotalus angelensis". The IUCN Red List of Threatened Species. 2007. IUCN: e.T64309A12762496. doi: 10.2305/IUCN.UK.2007.RLTS.T64309A12762496.en. Retrieved 10 January 2018.
- ^ 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).
- ^ 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.
- ^ "Crotalus mitchellii angelensis". Integrated Taxonomic Information System. Retrieved 13 September 2007.
- ^ a b c 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.
| Crotalus angelensis | |
|---|---|
|
Scientific classification
| |
| 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
| |
|
| |
| Location of Ángel de la Guarda Island | |
| Synonyms | |
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
- ^ a b c d Frost, D.R. (2007). "Crotalus angelensis". The IUCN Red List of Threatened Species. 2007. IUCN: e.T64309A12762496. doi: 10.2305/IUCN.UK.2007.RLTS.T64309A12762496.en. Retrieved 10 January 2018.
- ^ 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).
- ^ 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.
- ^ "Crotalus mitchellii angelensis". Integrated Taxonomic Information System. Retrieved 13 September 2007.
- ^ a b c 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.