Comparison of the acoustic properties of three categories of veery vocalizations: Songs, non-whisper calls (primarily “veer” calls), and whisper calls.

<p>All values represent means ± standard errors for mean values of vocalizations measured for each male.</p><p>Comparison of the acoustic properties of three categories of veery vocalizations: Songs, non-whisper calls (primarily “veer” calls), and whisper calls.