Song: Song is a clear musical warble "suwee suwee suwee-ti-tee" ending with an up-slur, calls are high and thin "tsieu" notes.
Sound: Fernando González-García (Biblioteca de Sonidos Aves de México); 2003 Jun 14; Mexico, Veracruz; Cerro Tepeczala, Amatlán de los Reyes; Adult; Primary Sound;