World Bird List

Species factsheet
Yellow-bellied Hyliota (Hyliota flavigaster)

Order: Hyliota flavigaster
Family: Hyliotas (Hyliotidae)

Voices can be found here (external link)
Subspecies and Distribution
Subspecie Distribution
flavigaster Senegal and Gambia to Sierra Leone and east to Ethiopia and Kenya
barbozae Gabon and Angola to Tanzania and Mozambique
Annoncer