By Lefteris Stavrakas - Βουνοσταχτάρα Alpine Swift Tachymarptis melba, CC BY-SA 2.0, https://commons.wikimedia.org/w/index.php?curid=66012392
Swael
Sources:
(*) https://en.wikipedia.org/wiki/Alpine_swift(*) https://ebird.org/species/alpswi1
(*) https://search.macaulaylibrary.org/catalog?taxonCode=alpswi1