S654 * Karoo Eremomela or Yellow-rumped Eremomela * Groenbossanger * Eremomela Gregalis

Bossanger

Sources:
(*) https://en.wikipedia.org/wiki/Karoo_eremomela
(*) https://ebird.org/species/yerere1
(*) https://search.macaulaylibrary.org/catalog?taxonCode=yerere1