S415 * White-rumped Swift * Witkruiswindswael * Apus Caffer

By Derek Keats from Johannesburg, South Africa - https://commons.wikimedia.org/w/index.php?curid=77074844

Swael

Sources:
(*) https://en.wikipedia.org/wiki/White-rumped_swift
(*) https://ebird.org/species/whrswi1
(*) https://search.macaulaylibrary.org/catalog?taxonCode=whrswi1