Crotalus lorenzoensis


Taxonomy [top]

Kingdom Phylum Class Order Family

Scientific Name: Crotalus lorenzoensis
Species Authority: Radcliffe & Maslin, 1975

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2007
Date Assessed: 2007-03-01
Assessor(s): Frost, D.R. & Hollingsworth, B.
Reviewer(s): Cox, N., Chanson, J.S. & Stuart, S.N. (Global Reptile Assessment Coordinating Team)
Listed as Least Concern because, although its extent of occurrence is much less than 5,000 km², it is common, adaptable, and does not appear to be in decline.

Geographic Range [top]

Range Description: This species is endemic to the island of San Lorenzo Sur, in the Gulf of California, Mexico.
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: It is abundant in its only location.
Population Trend: Stable

Habitat and Ecology [top]

Habitat and Ecology: The species occurs mainly in rocky areas and arroyo (dry creek) bottoms, and even in dunes near the coast. It can also be found in cave-like retreats formed by adjacent boulders.
Systems: Terrestrial

Threats [top]

Major Threat(s): No threats to this species are known. San Lorenzo Sur is not inhabited by humans and is not considered to be at particular risk from invasive species introductions or from hurricanes and other natural disasters.

Conservation Actions [top]

Conservation Actions: The species' only known site is in a protected area.

Citation: Frost, D.R. & Hollingsworth, B. 2007. Crotalus lorenzoensis. The IUCN Red List of Threatened Species. Version 2015.2. <>. Downloaded on 30 August 2015.
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