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male calling song in absence of female, 30-s fragment, 27.1°C (Pettersson D1000X, 250 kHz sample rate, carrier frequency 80-100 kHz) male calling song in presence of female (responses not visible), 25-s fragment, 26.7°C (Pettersson D1000X, 300 kHz sample rate) male calling song with female responses (last pulse of each of the five calls, frequency range 45-70 kHz), 17-s fragment, 27.0°C (Pettersson D1000X, 200 kHz sample rate) further modified male calling song when female close, female response after first of the three calls, 7-s fragment, 27.0°C (Pettersson D1000X, 200 kHz sample rate) |