Characteristics: This bat's dorsal fur is silky and has shades of brown or cinnamon powder brown. Its membranes are brownish or blackish, bare with sparse fur.

Distribution: The mouse-eared bat is found in Latin America, from Mexico to Peru, Bolivia, Northern Argentina, Paraguay, and Brazil.

Habitat: Tree foliage, dried palm tree leaves, and buildings. These bats are uncommon in urban environments, semi-deciduous forests, secondary riparian forests and drier regions such as savannas.

Habits: Always seen in groups. Their main activity, i.e., removing parasites from each other's fur, is an affective way of bonding with the group.

Diet: They feed on insects, small invertebrates, ants, termites, fruit, flowers, nectar, and tree sap and resins. Jerivá, Buriti, magnolia fruit.

Breeding: Gestation lasts 60 days, and this bat has up to three litters per year. After 150 days of gestation, two offspring are born and breastfed for 6 months. They reach sexual maturity after a year and a half.