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Crotalus pusillus 

Scope: Global
Language: English
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Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Chordata Reptilia Squamata Viperidae

Scientific Name: Crotalus pusillus Klauber, 1952

Assessment Information [top]

Red List Category & Criteria: Endangered B1ab(iii) ver 3.1
Year Published: 2007
Date Assessed: 2007-03-01
Assessor(s): Ponce-Campos, P. & García Aguayo, A.
Reviewer(s): Cox, N., Chanson, J.S. & Stuart, S.N. (Global Reptile Assessment Coordinating Team)
Justification:
Listed as Endangered because it is currently known from less than five locations, with a total extent of occurrence of less than 5,000 km², and there is an ongoing decline in the extent and quality of its habitat.

Geographic Range [top]

Range Description:This species is endemic to Mexico. Disjunct locations are recognized; southwestern Michoacan in the Sierra de Coalcoman and in the northeast in eastern Volcanic Belt, and in the extreme western Volcanic Belt in southern Jalisco and adjacent Colima.
Countries occurrence:
Native:
Mexico
Additional data:
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:No population information is available for this species. Currently no studies focusing on this snake are known to be underway.
Current Population Trend:Unknown
Additional data:

Habitat and Ecology [top]

Habitat and Ecology:It appears mostly to be restricted to pine-oak forest, usually in areas of volcanic rock and outcroppings.
Systems:Terrestrial

Threats [top]

Major Threat(s): Habitat loss for agriculture and human settlement is the main threat, although it is not known how serious this is to the population.

Conservation Actions [top]

Conservation Actions: It occurs within Colima Volcano protected area.

Citation: Ponce-Campos, P. & García Aguayo, A. 2007. Crotalus pusillus. The IUCN Red List of Threatened Species 2007: e.T64329A12770446. . Downloaded on 14 December 2017.
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