Spectrograms and oscillograms of the different types of advertisement calls present in Pristimantis thymelensis. A complete call train of 84 calls B single calls (A, B not collected individual) C complex calls D pulsed calls (C, D DHMECN 13786, SVL 19.98 mm, 4 °C air temperature, 90% relative humidity). Spectrograms obtained using the Hann window at 99% overlap, 512 samples of FFT size and 3 dB filter bandwidth of 124 Hz.