Pictures and facts about the Allen's big-eared bat

Allen's big-eared bat
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Allen's big-eared bat

Order : Chiroptera
Family : Vespertilionidae
Subfamily : Vespertilioninae
Genus : Idionycteris

Facts about the genus Idionycteris, the Allen's big-eared bat

The Allen's big-eared bat is a tawny colored bat about two inches in length with a wingspan ranging from 12 to 14 inches.

Allen's big-eared bat is found in extreme southern Nevada, the southern third of Utah, throughout Arizona, in the southwestern quarter of New Mexico, and south through the interior of Mexico.

Allen's big-eared bat is an insectivore, eating insects captured in flight or plucked from vegetation. (Full text)

" (2) "Idionycteris is easily distinguished from all other New Mexico bats by the two lappets located between the bases of the ears. (Full text)