The black-cheeked waxbill or red-rumped waxbill (Brunhilda charmosyna) is a common species of estrildid finch found in east Africa. It has an estimated global extent of occurrence of .
It is found in Ethiopia, Kenya, Somalia, South Sudan and Tanzania. The status of the species is evaluated as Least Concern.
Two subspecies are recognised: B. c. charmosyna (Reichenow, 1881) – south Sudan, Ethiopia, south Somalia, northeast Uganda and north Kenya B. c. kiwanukae (Van Someren, 1919) – south Kenya and Tanzania
References
BirdLife Species Factsheet