Song: Song a slow hesitant series of sad slurred whistles "hoooo . . . heeeowee . . . heeeew . . . heweee". Calls include a mournful mewing "tuuuooo" and harsh "jeek" notes.
Sound: Fernando González-García (Biblioteca de Sonidos Aves de México); 2005 May 5; Mexico, Veracruz; Mahuixtlan, Coatepec; Adult; Call;