By JJ Harrison (https://www.jjharrison.com.au/) - Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=17835190
Sterretjie
Sources:
(*) https://en.wikipedia.org/wiki/Little_tern
(*) https://ebird.org/species/litter1
(*) https://search.macaulaylibrary.org/catalog?taxonCode=litter1