S621 * Chestnut-vented Warbler or Chestnut-vented Tit-babbler or Rufous-vented Warbler * Bosveld-tjeriktik * Curruca Subcoerulea

By Alan Manson - Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=15614505

Tjeriktik

Sources:
(*) https://en.wikipedia.org/wiki/Chestnut-vented_warbler
(*) https://ebird.org/species/ruvwar2
(*) https://search.macaulaylibrary.org/catalog?taxonCode=ruvwar2