Song: Song is a variable series of short bright musical warbled phrases "chee-wee cheery-choo" also a rich descending whistled "to-wish-to-we-yo".
Sound: Fernando González-García (Biblioteca de Sonidos Aves de México); 2001 May 19; Mexico, Oaxaca; Planta Piscicola, San Miguel Soyaltepec; Adult; Primary Sound;