Song: Various shrill screams "kyi kyeh-kyeh-kyeh-kyeh" and sharp yapping squawks "kyak yak-yak-yak-yak".
Sound: Fernando González-García (Biblioteca de Sonidos Aves de México); 2005 Sept 16; Mexico, Veracruz; P. E. Fco. Xavier Clavijero, Xalapa; Adult; Call;