Song: High liquid twittering warbled song "see-see see-see sip-teee" or "si chi chi chi chi si chit". Calls include bright "dwee dwee dwee" notes, high "sip" or "spit" notes and whining "seeu" notes.
Sound: Fernando González-García (Biblioteca de Sonidos Aves de México); 2004 Apr 17; Mexico, Veracruz; Mahuixtlan, Coatepec; Adult; Male; Primary Sound;