World Bird List

Species factsheet
White-winged Black Tyrant (Knipolegus aterrimus)

Order: Knipolegus aterrimus
Family: Tyrant Flycatchers, Calyptura (Tyrannidae)

Voices can be found here (external link)
Subspecies and Distribution
Subspecie Distribution
heterogyna n Peru
anthracinus s Peru and w Bolivia
aterrimus e Bolivia, Paraguay and w Argentina
Annoncer