The Ozark big-eared bat is a threatened species found only in a small number of caves in the southern central United States. Also known as the western big-eared bat, the long-eared bat ...

The northern long-eared bat — distinguishable from its close relatives, as one might presume, by its long ears — is a small bat associated with mature, interior forest environments. Unlike most other ...

The tragus, a fleshy structure situated at the base of the bat’s ear, are projecting upward, is relatively longer, and pointed at the tip in Keen’s myotis, in contrast to the shorter, blunt-tipped ...