- Estrilda troglodytes
- Grey plumage
- Pinkish-brown tint on head, wings and body
- Black rump
- Tail: black with white edge; underside off-white
- Pink patch near the vent
- Red eye stripe and bill.
Juveniles - dark beak and light brown body, hint of pink around vent, no cross barring or red eye stripe.
It has an estimated global extent of occurrence of 2,000,000 km² in Africa between 16°N and the equator.
Africa: It is found in Benin, Burkina Faso, Cameroon, Central African Republic, Chad, The Democratic Republic of the Congo, Côte d'Ivoire, Eritrea, Ethiopia, Gambia, Ghana, Guinea, Kenya, Liberia, Mali, Mauritania, Niger, Nigeria, Senegal, Sudan, South Sudan, Togo, Uganda.
Dry steppes, brush alongside rivers, marshes, open country with thorn scrub, and bushes of open grasslands.
Evaluated as Least Concern.
Three to six eggs are laid and are incubated for 11-12 days; the young fledge after 21 days.
- Clements, JF. 2009. The Clements Checklist of Birds of the World. 6th ed., with updates to December 2009. Ithaca: Cornell Univ. Press. ISBN 978-0801445019.
- Finch Information Center
- BirdForum Opus contributors. (2021) Black-rumped Waxbill. In: BirdForum, the forum for wild birds and birding. Retrieved 10 April 2021 from https://www.birdforum.net/wiki/Black-rumped_Waxbill