Allen's yellow bat
|Allen's yellow bat|
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." In 1906, Gerrit Smith Miller placed Allen's yellow bat into a newly-coined genus, Baeodon. At present, some authors keep Allen's yellow bat as part of Rhogeessa within the subgenus Baeodon, while others believe that it is distinct enough that Baeodon should be considered a monotypic genus rather than a subgenus.
It is a small species of bat, weighing only 5.8–8 g (0.20–0.28 oz). 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). Its dental formula is 126.96.36.199 for a total of 30 teeth.
Range and habitat
It is endemic to Mexico, with its range encompassing several states in southwest Mexico. It has been documented at a range of elevations, from 125–1,990 m (410–6,529 ft) above sea level. 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.
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. However, it is infrequently encountered and is considered rare or locally uncommon.
- 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.
- 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.
- Miller, G.S. (1906). "Twelve new genera of bats". Proceedings of the Biological Society of Washington. 19: 85.
- 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.
- 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.
- Ceballos, G. (2014). Mammals of Mexico. JHU Press. p. 830. ISBN 1421408430.
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