By Henrik Grönvold - Ibis 1912, Public Domain, https://commons.wikimedia.org/w/index.php?curid=17112946
Sources:
(*) https://en.wikipedia.org/wiki/Swamp_nightjar(*) https://ebird.org/species/swanig1
(*) https://search.macaulaylibrary.org/catalog?taxonCode=swanig1