Thomas's Big-eared Brown Bat

Histiotus (meaning "sail ears") is a genus of South American vesper bats with species that include:

Strange big-eared brown bat, Histiotus alienus
Cadena-García's big-eared brown bat, Histiotus cadenai
Colombian big-eared brown bat, Histiotus colombiae
Transparent-winged big-eared brown bat, Histiotus diaphanopterus
Humboldt big-eared brown bat, Histiotus humboldti
Thomas's big-eared brown bat, Histiotus laephotis
Big-eared brown bat, Histiotus macrotus
Southern big-eared brown bat, Histiotus magellanicus
Moche big-eared brown bat, Histiotus mochica
Small big-eared brown bat, Histiotus montanus
Tropical big-eared brown bat, Histiotus velatus
In Paraguay, Histiotus bats have mainly been collected at human dwellings or around domestic animals, due to the significant increase in human activity in the Paraguayan Chaco over the last 20 years.