FIGURE 4 in A new species of Gracixalus (Anura: Rhacophoridae) with a hyperextended vocal repertoire from Vietnam

FIGURE 4. Male advertisement call of Gracixalus quangi sp. nov. (A) waveform of relative amplitude (Rel. amp) over time of a call sequence for (i) holotype AMS R 173410 (ii) paratype AMS R 173413, and (iii) paratype AMS R 173414. (B) representative calls shown as waveforms above and corresponding spectrograms (frequency over time) below for (i–vi) holotype AMS R 173410, (vii–ix) paratype AMS R 173413 and (x–xvi) paratype AMS R 173414. All calls were recorded at an ambient air temperature of 24.1º C.