World Bird List

Species factsheet
D'Arnaud's Barbet (Trachyphonus darnaudii)

Order: Trachyphonus darnaudii
Family: African Barbets (Lybiidae)

Voices can be found here (external link)
Subspecies and Distribution
Subspecie Distribution
darnaudii se Sudan and sw Ethiopia to wc Kenya
boehmi s, e Ethiopia to s Somalia, e Kenya and ne Tanzania
usambiro sw Kenya and nw Tanzania
emini c and e Tanzania