The Red-rumped waxbill (Estrilda charmosyna) is a common species of estrildid finch found in east Africa. It has an estimated global extent of occurrence of 400,000 km².
It is found in Ethiopia, Kenya, Somalia, Sudan and Tanzania.
It is very similar to the Black-faced Waxbill but has less red on the lower abdomen.
This bird was photographed at Lake Baringo, KenyA.