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Crotalus enyo

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Taxonomy [top]

Kingdom Phylum Class Order Family
ANIMALIA CHORDATA REPTILIA SQUAMATA VIPERIDAE

Scientific Name: Crotalus enyo
Species Authority: (Cope 1861)

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2007
Date Assessed: 2007-03-01
Assessor(s): Hollingsworth, B. & Frost, D.R.
Reviewer(s): Cox, N., Chanson, J.S. & Stuart, S.N. (Global Reptile Assessment Coordinating Team)
Justification:
Listed as Least Concern in view of its relatively wide distribution, presumed large population, and because it is unlikely to be declining fast enough to qualify for listing in a more threatened category.

Geographic Range [top]

Range Description: This snake is endemic to Mexico and ranges from the central-western Baja California peninsula, from Cabo Colonet south and westward to Bahia de los Angeles and thence continuously to Cabo San Lucas. It also occurs on the Pacific islands of Magdalena and Santa Margarita, and on the Gulf of California islands of Cerralvo, Carmen, Coronados, Espiritu Santo, Pardo, Partida Sur, San Francisco, San Jose and San Marcos.
Countries:
Native:
Mexico
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: Its abundance is hard to evaluate, as it is a secretive snake that is not often encountered.
Population Trend: Stable

Habitat and Ecology [top]

Habitat and Ecology: This species occurs in several bushland and savanna habitats, but it avoids the arid land of the Lower Colorado Valley. It can be found under rocks, logs and trash piles and even in mammal burrows, and is common in the vicinity of human habitation. It also occurs in sand dunes. It forages on the surface at night.
Systems: Terrestrial

Threats [top]

Major Threat(s): The northern extreme of its range is threatened by agriculture in the coastal plain of San Quintin. Agricultural developments in the Vizcaíno Desert, Magdalena Plain, and Isthmus of la Paz also pose threats.

Conservation Actions [top]

Conservation Actions: The species occurs in several protected areas.

Citation: Hollingsworth, B. & Frost, D.R. 2007. Crotalus enyo. The IUCN Red List of Threatened Species. Version 2014.2. <www.iucnredlist.org>. Downloaded on 25 October 2014.
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