The Chestnut-breasted Nigrita is a small bird of lowland forest, mangroves, and secondary growth in tropical Africa.
Its underparts are rich mahogany. The upperparts are described as slate-gray in western birds and gray-brown in birds from other areas.
It lives in lowland forest, mangroves, and secondary growth, and gives a series of whistled notes.
An extinction-risk assessment has not been added yet.