By Francesco Veronesi from Italy - African Bush-Warbler - South Africa_S4E7737, CC BY-SA 2.0, https://commons.wikimedia.org/w/index.php?curid=67275571
Sanger
(*) https://en.wikipedia.org/wiki/Little_rush_warbler
(*) https://ebird.org/species/afbwar1
(*) https://search.macaulaylibrary.org/catalog?taxonCode=afbwar1