Range Map:Andrew Couturier Source: Ridgely et al, 2007. Digital Distribution Maps of the Birds of the Western Hemisphere, version 3.0. NatureServe, Arlington, Virginia, USA. www.natureserve.org/getData/birdMaps.jsp
Song: Loud, clear, slightly wavering hollow whistle "hoo-oo" or "hoo-oo-oop".
Sound:Fernando González-García (Biblioteca de Sonidos Aves de México); 2001 May 17; Mexico, Oaxaca; Cerro Flores, Tuxtepec; Adult; Call;