Song: Song is 1-2 clear, slightly lisping notes followed by a series of chips or trill: "tii sin si si si si si si". Call notes are sharp excited chips.
Sound: Fernando González-García (Biblioteca de Sonidos Aves de México); 2004 Apr 24; Mexico, Veracruz; El Volcancillo, Las Vigas de Ramirez; Adult; Primary Sound;