Myotis auriculus 

Scope: Global
Language: English

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Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Chordata Mammalia Chiroptera Vespertilionidae

Scientific Name: Myotis auriculus Baker & Stains, 1955
Common Name(s):
English Southwestern Myotis
Taxonomic Notes: Listed as a subspecies of evotis.

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2017
Date Assessed: 2016-08-29
Assessor(s): Arroyo-Cabrales, J., Miller, B., Reid, F., Cuarón, A.D. & de Grammont, P.C.
Reviewer(s): Solari, S.
This species is listed as Least Concern in because of its wide distribution, presumed large population, occurrence in a number of protected areas, tolerance to some degree of habitat modification, and because it is unlikely to be declining at nearly the rate required to qualify for listing in a threatened category.
Previously published Red List assessments:

Geographic Range [top]

Range Description:This species occurs from Arizona and New Mexico (USA) to Jalisco and Veracruz (Mexico), and Guatemala (Simmons 2005). It occurs from lowlands to 2,200 m (Reid 2009).
Countries occurrence:
Guatemala; Mexico (Jalisco, Veracruz); United States (Arizona, New Mexico)
Additional data:
Lower elevation limit (metres):366
Upper elevation limit (metres):2200
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:It is rare in Guatemala (known from one specimen), more common farther north in other places (Reid 2009), in USA, it is common in appropriate habitats (Wilson and Ruff 1999).
Current Population Trend:Unknown
Additional data:
Population severely fragmented:No

Habitat and Ecology [top]

Habitat and Ecology:This species has been taken in wet pine-oak forest, also in a variety of habitats including desert scrub, dry forest, and ponderosa pines (Reid 2009). Day roosts have been reported, night roosts include buildings, mines, and caves (Barbour and Davis 1969). Activity usually begins 1 to 2 hours after sunset, later than most myotis bats. The food consists mainly of moths gleaned from tree trunks or walls of buildings. In Arizona, single young are born in late June or July (Warner 1982, Reid 2009).

Threats [top]

Major Threat(s): There are no major threats throughout the species' range.

Conservation Actions [top]

Conservation Actions: Found in protected areas in the United States as well as in Mexico (Arroyo-Cabrales pers. comm.).

Citation: Arroyo-Cabrales, J., Miller, B., Reid, F., Cuarón, A.D. & de Grammont, P.C. 2017. Myotis auriculus. The IUCN Red List of Threatened Species 2017: e.T14145A22060698. . Downloaded on 25 June 2018.
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