Utah’s 25 Allen’s big-eared bat records bridge mountain forest in the Uinta–Wasatch–Cache and dry canyon country in Grand Staircase–Escalante. Its oversized ears suit slow, maneuverable hunting among vegetation, where it can glean moths and other insects from surfaces rather than relying only on open-air pursuit. Day roosts may be in caves, mines, rock crevices, or trees.
July supplies the most reports, matching warm nights when insects are plentiful and bats are easiest to detect acoustically. The pattern is an observation footprint, not a colony estimate. Utah ranks this native bat S3, vulnerable, so intact roosts and the wooded or riparian feeding habitat around them both matter.
Full species profile
