S380 * Great Spotted Cuckoo * Gevlekte Koekoek * Clamator Glandarius

By Zeynel Cebeci - Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=72720935

Sources:
(*) https://en.wikipedia.org/wiki/Great_spotted_cuckoo
(*) https://ebird.org/species/grscuc1
(*) https://search.macaulaylibrary.org/catalog?taxonCode=grscuc1