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Thamnophis errans

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Taxonomy [top]

Kingdom Phylum Class Order Family
ANIMALIA CHORDATA REPTILIA SQUAMATA NATRICIDAE

Scientific Name: Thamnophis errans
Species Authority: Smith, 1942

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2007
Date Assessed: 2007-03-01
Assessor(s): Flores-Villela, O.
Reviewer(s): Cox, N., Chanson, J.S. & Stuart, S.N. (Global Reptile Assessment Coordinating Team)
Justification:
Listed as Least Concern in view of its 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 species occurs from northwestern Chihuahua along the Sierra Madre Occidental through Durango to western Zacatecas and extreme northeastern Nayarit, Mexico. It is found from 1,860 to 2,545 m asl.
Countries:
Native:
Mexico
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: There is little information on its abundance.
Population Trend: Unknown

Habitat and Ecology [top]

Habitat and Ecology: This species is found under rocks and logs in pine and pine-oak forest. It is not known to what extent it might be able to adapt to degraded habitats.
Systems: Terrestrial

Threats [top]

Major Threat(s): No threats have been identified. It is potentially at risk from the loss of its forest habitat, at least locally, if it is unable to adapt to secondary habitats.

Conservation Actions [top]

Conservation Actions: This is a poorly known species, and more fieldwork is needed to provide data on its natural history, on the status of its populations, and on its conservation requrements. It presumably occurs in a number of protected areas.

Citation: Flores-Villela, O. 2007. Thamnophis errans. The IUCN Red List of Threatened Species. Version 2014.2. <www.iucnredlist.org>. Downloaded on 02 September 2014.
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