Song: Song an accelerating series of 25-30 notes ending in a rough growl: "puc-puc-puc-puc-puu-puu-puu-puu-pwak". Also, crow like cawing "arrah" and nasal "kyow" notes.
Sound: Fernando González-García (Biblioteca de Sonidos Aves de México); 2004 Jul 17; Mexico, Veracruz; El Lencero, Emiliano Zapata; Adult; Male; Primary Sound;