15 s of calling song; male from Bulloch Co., Ga.; 24.4°C. (WTL622-23)

22 s of two caged males synchronizing the chirps of their calling songs; Alachua Co., Fla.; 27.2°C. (WTL1961-1247)

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Sound spectrogram of 2 s of calling at 24.4°C (from WTL622-23). Dominant frequency 6.6 kHz.

 Click on sound bar to hear graphed song.
Sound spectrogram of 2 s of calling at 27.2°C by two caged males (from WTL1961-1247). Dominant frequency 7.0 kHz. The males are producing chirps in synchrony except during chirps 3 and 4, when one male is silent.