Tadarida brasiliensis

Taxonomy

Assessment Information

Geographic Range

Population

Habitat and Ecology

Threats

Conservation Actions

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Taxonomy [top]

Kingdom	Phylum	Class	Order	Family
ANIMALIA	CHORDATA	MAMMALIA	CHIROPTERA	MOLOSSIDAE

Scientific Name:

Tadarida brasiliensis

Species Authority:

(I. Geoffroy, 1824)

Common Name/s:

English

–

Brazilian Free-tailed Bat, Mexican Free-tailed Bat

Taxonomic Notes:

In the aegyptiaca species group. Caribbean subspecies reviewed by Timm and Genoways (2003).

Assessment Information [top]

Red List Category & Criteria:

Least Concern ver 3.1

Year Assessed:

2008

Assessor/s

Barquez, R., Diaz, M., Gonzalez, E., Rodriguez, A., Incháustegui, S. & Arroyo-Cabrales, J.

Evaluator/s:

Medellín, R. (Chiroptera Red List Authority) & Schipper, J. (Global Mammal Assessment Team)

Justification:
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.

History:

1996

–

Lower Risk/near threatened (Baillie and Groombridge 1996)

Geographic Range [top]

Range Description:	This species is found from southern Brazil, Bolivia, Argentina, and Chile to Oregon, southern Nebraska and Ohio (USA); Greater and Lesser Antilles (Simmons 2005). Distribution extended to Falkland Islands. Not found in Nicaragua (Medina pers. comm.)
Countries:	Native: Anguilla; Antigua and Barbuda; Argentina; Aruba; Barbados; Bolivia; Brazil; Chile; Colombia; Costa Rica; Cuba; Dominica; Dominican Republic; Ecuador; El Salvador; French Guiana; Grenada; Guadeloupe; Guatemala; Guyana; Haiti; Honduras; Jamaica; Martinique; Mexico; Montserrat; Netherlands Antilles; Panama; Peru; Puerto Rico; Saint Kitts and Nevis; Saint Lucia; Saint Vincent and the Grenadines; Suriname; Trinidad and Tobago; United States; Venezuela; Virgin Islands, British; Virgin Islands, U.S.
Range Map:	(click map to view full version)

Population [top]

Population:	Abundant species (Barquez pers. comm.)
Population Trend:	Stable

Habitat and Ecology [top]

Habitat and Ecology:	Occurs in wide range of habitats (Barquez pers. comm.). Insectivorous, migratory species forming large colonies with millions of individuals. In the Antilles they form small colonies (Rodriguez pers. comm.)
Systems:	Terrestrial

Threats [top]

Major Threat(s):	Populations exterminated as plagues in several places in Uruguay (Gonzalez pers. comm.). In Northern Mexico and southern US it has been documented reduction in the population in 1980s. Mining in the caves in the Antilles (Armando Rodriguez pers. comm.). There are no major threats throughout its range.

Major Threat(s):

Populations exterminated as plagues in several places in Uruguay (Gonzalez pers. comm.). In Northern Mexico and southern US it has been documented reduction in the population in 1980s. Mining in the caves in the Antilles (Armando Rodriguez pers. comm.). There are no major threats throughout its range.

Conservation Actions [top]

Conservation Actions:	There is a large population protected in Tucuman. There is a large conservation program in Mexico.

Conservation Actions:

There is a large population protected in Tucuman. There is a large conservation program in Mexico.

Citation:	Barquez, R., Diaz, M., Gonzalez, E., Rodriguez, A., Incháustegui, S. & Arroyo-Cabrales, J. 2008. Tadarida brasiliensis. In: IUCN 2009. IUCN Red List of Threatened Species. Version 2009.2. <www.iucnredlist.org>. Downloaded on 09 February 2010.
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