Allen's yellow bat

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Allen's yellow bat
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Chiroptera
Family: Vespertilionidae
Subfamily: Vespertilioninae
Tribe: Antrozoini
Genus: Rhogeessa
Subgenus: Baeodon
Species: R. alleni
Binomial name
Rhogeessa alleni
(Thomas, 1892)
Rhogeessa alleni map.svg

Allen's yellow bat (Rhogeessa alleni) is a species of vesper bat. There is some taxonomic debate surrounding this species, with some authors considering Baeodon a genus rather than a subgenus. It is endemic to Mexico.

Taxonomy and etymology

It was described as a new species in 1892 by British zoologist Oldfield Thomas. Thomas noted that the eponym for the species name "alleni" was Harrison Allen, calling him "the chief authority on North-American bats."[2] In 1906, Gerrit Smith Miller placed Allen's yellow bat into a newly-coined genus, Baeodon.[3] At present, some authors keep Allen's yellow bat as part of Rhogeessa within the subgenus Baeodon[4], while others believe that it is distinct enough that Baeodon should be considered a monotypic genus rather than a subgenus.[5]


It is a small species of bat, weighing only 5.8–8 g (0.20–0.28 oz).[6] It has large ears, with long tragi. The tragi are rounded at the tips, with a straight or slightly concave inner margin and a slightly convex outer margin. The posterior edges of its wings are white. It has a small and narrow calcar. The head and body is 47 mm (1.9 in), while the tail is 41 mm (1.6 in) long. Its forearm length is 35 mm (1.4 in).[2] Its dental formula is for a total of 30 teeth.[6]

Range and habitat

It is endemic to Mexico, with its range encompassing several states in southwest Mexico.[6] It has been documented at a range of elevations, from 125–1,990 m (410–6,529 ft) above sea level.[1] However, most records of this species are at elevations greater than 1,000 m (3,300 ft) above sea level. Its habitat consists of tropical deciduous forests, thorny forests, deciduous forests, and xeric shrublands.[6]


It is currently evaluated as least concern by the IUCN—its lowest conservation priority. It meets the criteria for this assessment because it has a large geographic range; its range includes protected areas; and it lacks major threats to its continued existence.[1] However, it is infrequently encountered and is considered rare or locally uncommon.[6]


  1. ^ a b c Arroyo-Cabrales, J. & Álvarez-Castañeda, S.T. (2008). "Rhogeessa alleni". The IUCN Red List of Threatened Species. IUCN. 2008: e.T19679A9002375. doi:10.2305/IUCN.UK.2008.RLTS.T19679A9002375.en. Retrieved 24 December 2017. 
  2. ^ a b Thomas, O. (1892). "Description of a new Mexican bat". The Annals and magazine of natural history; zoology, botany, and geology. 6. 10 (60): 477–478. 
  3. ^ Miller, G.S. (1906). "Twelve new genera of bats". Proceedings of the Biological Society of Washington. 19: 85. 
  4. ^ Wilson, D.E.; Reeder, D.M., eds. (2005). Mammal Species of the World: A Taxonomic and Geographic Reference (3rd ed.). Johns Hopkins University Press. ISBN 978-0-8018-8221-0. OCLC 62265494. 
  5. ^ Roehrs, Zachary P.; Lack, Justin B.; Van Den Bussche, Ronald A. (2010). "Tribal phylogenetic relationships within Vespertilioninae (Chiroptera: Vespertilionidae) based on mitochondrial and nuclear sequence data". Journal of Mammalogy. 91 (5): 1073–1092. doi:10.1644/09-MAMM-A-325.1. 
  6. ^ a b c d e Ceballos, G. (2014). Mammals of Mexico. JHU Press. p. 830. ISBN 1421408430. 

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