The yellow-bellied eremomela is a common breeding species in Africa south of the Sahara in its habitat of open woodland, savannah, and dry scrub.

The yellow-bellied eremomela is a very small bird 10 cm long and weighing around 9 g. Its upperparts are grey, becoming darker and more olive on the wings and tail.

The subspecies vary in the extent and intensity of the yellow on the belly, and birds in western southern Africa have whitish throat and breast.

The yellow-bellied eremomela builds a cup nest in the branches of a tree or shrub, and lays two to four white eggs.

This bird is usually seen alone, in pairs, or in family groups as it forages on the ground or in foliage for insects and other small invertebrates This common species has a large range, with an estimated extent of 7,100,000 km².