World Bird List

Species factsheet
Black-billed Shrike-Tyrant (Agriornis montanus)

Order: Agriornis montanus
Family: Tyrant Flycatchers, Calyptura (Tyrannidae)

Voices can be found here (external link)
Subspecies and Distribution
Subspecie Distribution
solitarius Colombia, Ecuador
insolens Peru
intermedius w Bolivia and n Chile
montanus c, s Bolivia and nw Argentina
maritimus nc, c Chile and wc Argentina, also c Argentina (s Buenos Aires and Somuncará Plateau).
fumosus c Argentina (Sierras de Córdoba)
Annoncer