S637 * African Yellow Warbler or Natal Yellow Warbler or Dark-capped Yellow Warbler or Yellow Flycatcher-warbler * Geelsanger * Iduna Natalensis
By Francesco Veronesi from Italy - African Yellow Warbler - South Africa_S4E7584, CC BY-SA 2.0, https://commons.wikimedia.org/w/index.php?curid=39952937
2.jpg)
Sanger
(*) https://en.wikipedia.org/wiki/African_yellow_warbler
(*) https://ebird.org/species/afywar1
(*) https://search.macaulaylibrary.org/catalog?taxonCode=afywar1