By WoRMS Editorial Board - https://eol.org/pages/1049354/media?page=3, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=95040594
Sterretjie
Sources:
(*) https://en.wikipedia.org/wiki/Antarctic_tern(*) https://ebird.org/species/antter1
(*) https://search.macaulaylibrary.org/catalog?taxonCode=antter1