S542 * Common Square-tailed Drongo * Kleinbyvanger * Dicrurus Ludwigii

By Alan Manson - Square-tailed Drongo (Dicrurus ludwigii), CC BY-SA 2.0, https://commons.wikimedia.org/w/index.php?curid=5231091

Byvanger Byvreter

Sources:
(*) https://en.wikipedia.org/wiki/Common_square-tailed_drongo
(*) https://ebird.org/species/cstdro1
(*) https://search.macaulaylibrary.org/catalog?taxonCode=cstdro1