The yellow-bellied waxbill (Coccopygia quartinia) is a species of estrildid finch native to East Africa. The bird is now named yellow-bellied swee.The Internet Bird Collection
It breeds in east central and south-eastern Africa. Some taxonomists consider it to be conspecific with the swee waxbill.
References
Clements, J. F., T. S. Schulenberg, M. J. Iliff, B.L. Sullivan, C. L. Wood, and D. Roberson. 2012. The eBird/Clements checklist of birds of the world: Version 6.7. Downloaded from