Song: In display, male gives an accelerating series of short, dry, toneless notes, ending with a rattly croak. Call of female is a nasal "aanh".
Sound: Gregory F. Budney/Randolph S. Little (
Macaulay Library, Cornell # 45345); 1989 Jun 6; USA, California; 20 km N from Sierraville, Dyson Lane; Adult; Male; Primary Sound; Courtship display;