Song: Song is a rapid twittering trill "tsi-tsi-tsi-tsi-tsi-tiseu-tiseu-tiseu-tiseu-tsieu". Calls range from high pitched "tisp" notes to harder "chuk" notes.
Sound: Fernando González-García (Biblioteca de Sonidos Aves de México); 2005 Apr 16; Mexico, Veracruz; Mahuixtlan, Coatepec; Adult; Primary Sound;