Song: Simple rhythmic song of jerkily repeated squeaky whistles "tu wee-roo" or "chree-choo choo". Song phrasing is much jerkier than Red-crowned Ant-tanager.
Sound: Fernando González-García (Biblioteca de Sonidos Aves de México); 2002 May 22; Mexico, Veracruz; Ejido Lopez Mateos, Catemaco; Adult; Male; Primary Sound;