Table 1.

Spectral peaks in synthetic calls

SpeciesLow-frequency peak (Hz)High-frequency peak (Hz)Relative amplitude (dB)
H. versicolor 1.1 2.2 6±2
H. chrysoscelis 1.2 2.4 6±2
H. avivoca 1.3* 2.6 0±2
H. arenicolor 0.65 2.6 0±2
SpeciesLow-frequency peak (Hz)High-frequency peak (Hz)Relative amplitude (dB)
H. versicolor 1.1 2.2 6±2
H. chrysoscelis 1.2 2.4 6±2
H. avivoca 1.3* 2.6 0±2
H. arenicolor 0.65 2.6 0±2
*

The conspecific advertisement call lacks energy at this frequency, which was chosen because the low-frequency peaks in the calls of the two closest relatives of this species are centered at about one-half of the peak frequency of the typically dominant band

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