Song: Song, often a duet, is a rhythmic slightly hollow warbling whistle: "wee tea-oo woot wooo" or "tche wee-choo weep". Calls are nasal "chek" or "chew" notes.
Sound: Fernando González-García (Biblioteca de Sonidos Aves de México); 2002 Jul 6; Mexico, Veracruz; Tecolutla, Tecolutla; Adult; Primary Sound;