World Bird List

Species factsheet
Slaty-capped Shrike-Vireo (Vireolanius leucotis)

Order: Vireolanius leucotis
Family: Vireos, Greenlets, Shrike-babblers (Vireonidae)

Voices can be found here (external link)
Subspecies and Distribution
Subspecie Distribution
mikettae w Colombia and w Ecuador
leucotis n and w Amazonia
simplex s Peru and wc Brazil (s of the Amazon)
bolivianus se Peru and n Bolivia
Annoncer