M. megalotis is widely distributed and can be found in many habitats including wet and dry areas, evergreen and deciduous forests, swamps, and clearings.[1] These bats occur throughout South America, Central America, and Mexico.[2] In its genus, Micronycteris, M. megalotis is thought to be the most widely distributed.[4] They occupy small caverns, crevices of rocky outcrops, spaces under bridges, tunnels, buildings, and houses.[2] At lower elevations, these bats may roost in hollow trees and logs.[2]