S423 * Böhm's Spinetail or Bohm's Spinetail or Boehm's Spinetail or Bat-like Spinetail * Witpensstekelstert * Neafrapus Boehmi

By Maans Booysen, Birding Weto - Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=56218898

Swift Swael Stekelstert

Sources:

(*) https://en.wikipedia.org/wiki/B%C3%B6hm%27s_spinetail
(*) https://ebird.org/species/balspi1
(*) https://search.macaulaylibrary.org/catalog?taxonCode=balspi1