World Bird List

Species factsheet
Purple-backed Thornbill (Ramphomicron microrhynchum)

Order: Ramphomicron microrhynchum
Family: Hummingbirds (Trochilidae)

Voices can be found here (external link)
Subspecies and Distribution
Subspecie Distribution
andicola w Venezuela
microrhynchum Colombia, Ecuador and nw Peru
albiventre c Peru
bolivianum c Bolivia
Annoncer