Song: Hard, slightly scratchy "tchik' or "tzeet" calls, may be run into a buzzy, rattling chatter "zhirr-rr-rr-rr".
Sound: Fernando González-García (Biblioteca de Sonidos Aves de México); 2004 Apr 7; Mexico, Veracruz; Cerro Tepeczala, Amatlán de los Reyes; Adult; Primary Sound;