World Bird List

Species factsheet
Crested Oropendola (Psarocolius decumanus)

Order: Psarocolius decumanus
Family: Oropendolas, Orioles, Blackbirds (Icteridae)

Voices can be found here (external link)
Subspecies and Distribution
Subspecie Distribution
melanterus s Costa Rica to n, w Colombia
insularis Trinidad and Tobago
decumanus n South America
maculosus e Peru and Bolivia to n Argentina
Annoncer