|Scientific Name:||Eumops perotis|
|Species Authority:||(Schinz, 1821)|
|Taxonomic Notes:||Does not include trumbulli; see Eger (1977). The large geographic gap between the North American and South American ranges of this taxon suggests that this complex may include more than one species (Simmons 2005).|
|Red List Category & Criteria:||Least Concern ver 3.1|
|Assessor(s):||Barquez, R. & Diaz, M.|
|Reviewer(s):||Medellín, R. (Chiroptera Red List Authority) & Schipper, J. (Global Mammal Assessment Team)|
This species is listed as Least Concern in view of its wide distribution, presumed large population, and because it is unlikely to be declining at nearly the rate required to qualify for listing in a threatened category.
|Range Description:||California to Texas (USA), south to Zacatecas and Hidalgo (Mexico); western Peru, Bolivia, northern Argentina, Paraguay, and Brazil; Cuba (Simmons 2005). Include Misiones in Argentina and all of Paraguay and exclude southern tip of distribution in Argentina (Barquez et al. 2006). The Cuban material may be misidentified (Mancina pers. comm.).Include south Colombia.|
Native:Argentina; Bolivia, Plurinational States of; Brazil; Colombia; Ecuador; Mexico; Paraguay; Peru; United States (Arizona, California, Nevada, Texas)
|Range Map:||Click here to open the map viewer and explore range.|
|Population:||This species is non-migratory (Best et al. 1996), although in Mexico apparently is a migratory species (Aragon, 2005). It's a common species (Barquez pers. comm.).|
|Habitat and Ecology:||Habitat consists of extensive open areas with potential roost locations having vertical faces to drop off from and take flight, such as crevices in rock outcropings and cliff faces, tunnels and tall buildings. This species inhabits various types of open, semi-arid to arid habitats (Ahlborn 2000, Cockrum 1960, Allen 1987, Best et al. 1996). E. perotis is insectivore (Barquez et al. 1993).|
|Major Threat(s):||It uses only select drinking sites and is severely limited by the availability of drinking water. Because its wing structure is unable to drink from water sources less than 30 m long. As a consequence, western mastiff bats are no longer found in many previously occupied areas and populations may be in decline (Acker, 2001).|
|Conservation Actions:||Avoid loss of drinking sites and habitat. Found in protected areas.|
Acker, E. 2001. Threatened and Endangered Bats. Available at: http://www.batcon.org. (Accessed: 10/7).
Ahlborn, G. 2000. California Wildlife Habitat Relationships System. Available at: http://www.dfg.ca.gov/whdab/cwhr/M042.html. (Accessed: 10/8).
Allen, T. B. 1987. Family Molossidae. Wild Animals of North America, pp. 72. The National Geographic Society, Washington, DC, USA.
Barquez, R., Diaz, M. and Ojeda, R. 2006. Mamiferos de Argentina: sistematica y distribucion. Sociedad Argentina para el Estudio de los Mamiferos.
Best, T. L., Kiser, W. M. and Freeman, P. W. 1996. Eumops perotis. Mammalian Species 534: 1-8.
Cockrum, E. L. 1960. Distribution, habitat and habits of the mastiff bat, Eumops perotis, in North America. Journal of the Arizona Academy of Science 1: 79-84.
Eger, J. L. 1977. Systematics of the genus Eumops (Chiroptera:Molossidae). Life Sciences Contributions, Royal Ontario Museum 110: 1-69.
IUCN. 2008. 2008 IUCN Red List of Threatened Species. Available at: http://www.iucnredlist.org. (Accessed: 5 October 2008).
Simmons, N. B. 2005. Order Chiroptera. In: D. E. Wilson and D. M. Reeder (eds), Mammal Species of the World, pp. 312-529. The Johns Hopkins University Press, Baltimore, MD, USA.
|Citation:||Barquez, R. & Diaz, M. 2008. Eumops perotis. The IUCN Red List of Threatened Species. Version 2014.2. <www.iucnredlist.org>. Downloaded on 20 October 2014.|
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