Waveforms and spectrograms of advertisement calls of paratype (WII-ADA1400) of Gracixalus patkaiensis sp. nov. at ambient air temperature 22.8°C. A waveform of relative amplitude over time of call sequence; B representative of calls of a call group (depicted with grey rectangle in A) shown as waveform above and spectrogram below; C representative of a whistle (depicted with grey rectangle in B) shown as waveform above and spectrogram below; D two clicks (depicted with grey rectangle in B) shown as waveform above and spectrogram below.