Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Chordata Mammalia Chiroptera Molossidae

Scientific Name: Nyctinomops femorosaccus
Species Authority: (Merriam, 1899)
Common Name(s):
English Pocketed Free-tailed Bat

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2008
Date Assessed: 2008-06-30
Assessor(s): Arroyo-Cabrales, J. & Álvarez-Castañeda, S.T.
Reviewer(s): Medellín, R. & Schipper, J.
This species is listed as Least Concern in because of its wide distribution, presumed large population in some localities and occurrence in a number of protected areas.
Previously published Red List assessments:
1996 Lower Risk/least concern (LR/lc)

Geographic Range [top]

Range Description: This species occurs from Guerrero (Mexico) to New Mexico, Arizona, California (USA) and Baja California (Mexico) (Simmons, 2005). It occurs from lowlands to 2,250 m (Wilson and Ruff, 1999).
Countries occurrence:
Mexico; United States (Arizona, California, New Mexico, Texas)
Upper elevation limit (metres): 2250
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: It is limited and uncommon (Wilson and Ruff, 1999).
Current Population Trend: Stable
Additional data:
Population severely fragmented: No

Habitat and Ecology [top]

Habitat and Ecology: This species is insectivorous; it eats a variety of insects (Lepidoptera, Hymenoptera, Homoptera, Coleoptera, Hemiptera, Orthoptera, Diptera, and Neuroptera). During the dry season it utilizes water sources with open access and a large available surface area from which to drink. It leaves its roosts after dark and is usually not taken in mistnets until two or three hours after sunset. It roosts in caves, rock crevices in cliff faces, and man-made structures. Colonies usually number fewer than 100 individuals. It gives birth to only one young per year, usually in early July, and the young are flying in mid to late August (Wilson and Ruff, 1999).
Systems: Terrestrial

Threats [top]

Major Threat(s): Habitat loss and use of pesticides (the species eats moths that are affected by pesticides).

Conservation Actions [top]

Conservation Actions: It is found in several protected areas along its range.

Citation: Arroyo-Cabrales, J. & Álvarez-Castañeda, S.T. 2008. Nyctinomops femorosaccus. The IUCN Red List of Threatened Species 2008: e.T14994A4485190. . Downloaded on 05 October 2015.
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