16 s of calling song; male from Lac Carre, Quebec; 25.5°C. Recording by V. R. Vickery, used by permission. (WTL524-3) [two trills; 27s of inter-trill silence deleted]

15 s of calling song; male from Alachua Co., Fla.; 25.8°C. (WTL524-7)

 Click on sound bar to hear graphed song.
Sound spectrogram of 12 s of calling at 25.5° (from WTL524-3). Dominant frequency 8.6 kHz.
Click on spectrogram to expand last 0.5 s of spectrographic image.