Superregnum: Eukaryota
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Cladus: Craniata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Superclassis: Tetrapoda
Cladus: Reptiliomorpha
Cladus: Amniota
Cladus: Synapsida
Cladus: Eupelycosauria
Cladus: Sphenacodontia
Cladus: Sphenacodontoidea
OrdoTherapsida
Cladus: Theriodontia
Subordo: Cynodontia
Cladus: Mammaliaformes
Classis: Mammalia
Subclassis: Trechnotheria
Infraclassis: Zatheria
Supercohort: Theria
Cohort: Eutheria
Cohort: Placentalia
Cladus: Boreoeutheria
Superordo: Laurasiatheria
Ordo: Chiroptera
Subordo: Microchiroptera
Superfamilia: Vespertilionoidea
Familia: Vespertilionidae
Subfamilia: Vespertilioninae
Tribus: Plecotini
Genus: Idionycteris
Species: Idionycteris phyllotis
Name
Idionycteris phyllotis G. M. Allen, 1916
Type locality: Mexico, San Luis Potosi.
Synonyms
Idionycteris mexicanus Anthony, 1923
References
G. M. Allen, 1916. Bulletin of the Mus. Comp. Zool., 60: 352.
Conservation status: IUCN: Idionycteris phyllotis (Least Concern)
Idionycteris phyllotis in Mammal Species of the World.
Wilson, Don E. & Reeder, DeeAnn M. (Editors) 2005. Mammal Species of the World – A Taxonomic and Geographic Reference. Third edition. ISBN 0-8018-8221-4.
Links
North American Mammals: Idionycteris phyllotis [1]
Distribution
Distrito Federal and Michoacan (Mexico) to Utah and Nevada (USA)
Vernacular names
English: Allen's Big-eared Bat.
Allen's big-eared bat (Idionycteris phyllotis) is a species of vesper bat in the monotypic genus Idionycteris. It occurs in Mexico and in Arizona, California, Nevada, New Mexico, Utah, and Colorado[2] in the United States.[1]
Description
Idionycteris is a bat with large ears, weighing 8 to 16 grams. On the dorsal side they possess long and soft pelage,[3] also referred to as fur. Their fur is basally blackish in color with tips that are a yellow-gray color. Idionycteris, has a black patch on each shoulder, a tuft of white hair on the backside of the ears, as well as, ventral hairs that are black with pale tips.[3] The calcar possesses a low keel. The uropatagium has 12 to 13 transverse ribs. The rostrum is flattened and broad.[3]
Idionycteris phyllotis has an external morphology like that of gleaning bats, which means they have adaptions required for plucking stationary insects from surfaces.[3] To do this, they have long tragi and ears, wings adapted for maneuverability and hovering flight, and a gracile jaw.[3] Allen’s big-eared bat (Idionycteris phyllotis) is the only species in North America known to emit long, constant frequency-frequency modulated echolocation calls.[2]
Range and habitat
The Allen’s big-eared bat inhabits the southwestern mountainous regions of Mexico and the United States. This species, occupies a wider range in elevation, ranging from 855 m to 3,225 m, while most specimens reside at altitudes between 1,100 m and 2,500 m.[3]
References
Arroyo-Cabrales, J. & Ticul Alvarez Castaneda, S. (2008). "Idionycteris phyllotis". IUCN Red List of Threatened Species. 2008. Retrieved 7 February 2010.
Hayes, M. A., et al. (2009). Allen's big-eared bat (Idionycteris phyllotis) documented in Colorado based on recordings of its distinctive echolocation call. Archived 2016-03-04 at the Wayback Machine The Southwestern Naturalist 54(4), 499-501.
Czaplewski, Nicholas J. (1983-12-15). "Idionycteris phyllotis". Mammalian Species (208): 1–4. doi:10.2307/3503999. ISSN 0076-3519. JSTOR 3503999.
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