World Bird List

Species factsheet
Black-billed Peppershrike (Cyclarhis nigrirostris)

Order: Cyclarhis nigrirostris
Family: Vireos, Greenlets, Shrike-babblers (Vireonidae)

Voices can be found here (external link)
Subspecies and Distribution
Subspecie Distribution
nigrirostris c Colombia and e Ecuador
atrirostris sw Colombia and w Ecuador
Annoncer