posted on 2013-02-20, 04:45authored byT. Ulmar Grafe, Doris Preininger, Marc Sztatecsny, Rosli Kasah, J. Maximilian Dehling, Sebastian Proksch, Walter Hödl
(A) Oscillogram and spectrogram of a representative advertisement call with 34 notes. (B) Power spectrum of the same recording showing the energy contained in the ambient noise produced by the fast-flowing stream at which males called. The peak at 5500 Hz represents the advertisement call of S. parvus.