A frecuencia utilizada por esta especie de morcego vai entre 23-11523–115 kHz, acadando picos de enerxía nos 53 kHz e cunha duración que promedia 3.8 ms.<ref>Parsons, S. e Jones, G. (2000) 'Acoustic identification of twelve species of echolocating bat by discriminant function analysis and artificial neural networks.' ''J Exp Biol''., '''203''': 2641-2656.</ref><ref>Obrist, M.K., Boesch, R. e Flückiger, P.F. (2004) 'Variability in echolocation call design of 26 Swiss bat species: Consequences, limits and options for automated field identification with a synergic pattern recognition approach.' ''Mammalia''., '''68''' (4): 307-32.</ref>
Recibiron o seu nome polo naturalista [[Alemaña|alemán]] [[Johann Natterer]].
