World Bird List

Species factsheet
Yellow-shouldered Blackbird (Agelaius xanthomus)

Order: Agelaius xanthomus
Family: Oropendolas, Orioles, Blackbirds (Icteridae)

Voices can be found here (external link)
Subspecies and Distribution
Subspecie Distribution
xanthomus Puerto Rico
monensis Mona I. (w of Puerto Rico)
Annoncer