Chestnut-headed Oropendola - Psarocolius wagleri
Photo: fveronesi1 (http://www.flickr.com/photos/francesco_veronesi/4401779134/); Panama; Adult;
Song: Voice is varied and includes a slightly metallic gurgled "g-lok", throaty clucks "chuk-uk-luk", a clicking "awoop", gruff chatter and a nasal "wheuk".
Sound: Fernando González-García (Biblioteca de Sonidos Aves de México); 2005 Sept 17; Mexico, Veracruz; Mahuixtlan, Coatepec; Flock/Group; Mixed; Call;
