World Bird List

Species factsheet
Rufous-bellied Tit (Melaniparus rufiventris)

Order: Melaniparus rufiventris
Family: Tits, Chickadees (Paridae)

Voices can be found here (external link)
Subspecies and Distribution
Subspecie Distribution
rufiventris s Congo and s DR Congo to c Angola and c Zambia
masukuensis se DR Congo, e Zambia and Malawi
diligens s Angola, n Namibia, sw Zambia and nw Botswana