S529 * Rock Martin * Kransswael * Ptyonoprogne Fuligula

By Bernard DUPONT from FRANCE - Rock Martin (Hirundo fuligula), CC BY-SA 2.0, https://commons.wikimedia.org/w/index.php?curid=56158170

Swael Swallow

Sources:
(*) https://en.wikipedia.org/wiki/Rock_martin
(*) https://ebird.org/species/rocmar2
(*) https://search.macaulaylibrary.org/catalog?taxonCode=rocmar2