Long-eared myotis takes its name from ears that reach nearly half its body length, an adaptation for gleaning insects directly off foliage and bark rather than only hunting in open air like most bats. Its 63 Wyoming records span Grand Teton and Yellowstone national parks and Thunder Basin National Grassland, with GBIF accounting for 59 of the 63, again pointing to acoustic and mist-net survey work over casual sightings.
Records peak at 22 in August after a steady summer climb, tracking the season when maternity colonies are most active before bats begin dispersing to winter roosts. NatureServe ranks the species S4B, Apparently Secure, for its breeding population in Wyoming.
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