Supplementary material 1 from: Roedel M, Emmrich M, Penner J, Schmitz A, Barej M (2014) The taxonomic status of two West African Leptopelis species: L. macrotis Schiøtz, 1967 and L. spiritusnoctis Rödel, 2007 (Amphibia: Anura: Arthroleptidae). Zoosystematics and Evolution 90(1): 21-31. https://doi.org/10.3897/zse.90.7120

Buzz call of Leptopelis aubryi (ZFMK 89560) from Big Massaka Cameroon: Explanation note: This audio file is also available from the Tierstimmenarchiv at the Museum für Naturkunde, Berlin, through the following link: http://www.tierstimmenarchiv.de/recordings/Leptopelis_spiritusnoctis_DIG0174_03_short.mp3.