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Little free-tailed bat
The little free-tailed bat (''Chaerephon pumilus'')〔(2012.2 IUCN Red List of Threatened Species. ) Downloaded on 27 October 2012.〕 is a species of the genus ''Chaerephon'' in the family Molossidae. It is widely distributed across Africa and islands around the continent.
== Description ==
The little free-tailed bat is one of the smallest species in the genus ''Chaerephon'', and a total body length is measured from 54 to 102 mm. The ventral fur has lighter color than the dorsal fur, which is short and blackish-brown.〔Bouchard, S. (1998). Mammalian Species ''Chaerephon pumilus''. ''the American Society of Mammalogists,'' 574: 1-6.〕 Pale or white hairs are observed on the ventral surface where wings are connected to flanks, and both white-winged (north-eastern African species) and dark-winged (southern African species) types have been found.〔〔〔Jacobs, D. S., Eick, G. N., Richardson E. J., and Taylor P. J. (2004). Genetic similarity amongst phenotypically diverse little free-tailed bats, ''Chaerephon pumilus''. ''Acta Chiropterologica,'' 6(1): 13-21.〕 This species has round ears that are large for its head size.〔 The small tragus of its ear, which is asymmetrically bilobed at the end, is covered by the large antitragus.〔 A distinguishable forehead tuft is observed in males and it makes their outline recognizable during flight.〔 This species shows great morphological variations in wing and pelage colors resulted in different taxonomic designations depending on its distributional ranges.〔Goodman S. M. and Ratrimomanarivo F. H. (2007). The taxonomic status of ''Chaerephon pumilus'' from the western Seychelles: resurrection of the name C. pusillus for an endemic species. ''Acta Chiropterologica'', 9(2): 391–399.〕 To illustrate, the little free-tailed bat population found in Amani, Tanzania, has a longer forearm length on average than populations in southern Africa and Ghana and a higher wing loading than populations in South Africa.〔Aspetsberger, F., Brandsen, D., and Jacobs, D. S. (2003). Geographical variation in the
morphology, echolocation and diet of the little free-tailed bat, ''Chaerophon pumilus'' (Molossidae).''African Zoology'', 38: 245–254.〕
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