World Bird List

Species factsheet
Black-headed Oriole (Oriolus larvatus)

Order: Oriolus larvatus
Family: Figbirds, Orioles, Turnagra (Oriolidae)

Voices can be found here (external link)
Subspecies and Distribution
Subspecie Distribution
rolleti s Sudan and s Ethiopia to e DR Congo and c Kenya
reichenowi Somalia to e Tanzania
angolensis Angola and Namibia to w Tanzania and n Mozambique
tibicen coastal s Tanzania to coastal s Mozambique
larvatus s Zimbabwe to inland s Mozambique and e South Africa