Kouzov, Sergei A., Anna V. Kravchuk, Evgeny V. Abakumov, and Daria M. Afanaseva. 2024. “Whooper Swans Cygnus Cygnus Nesting on Offshore Islands – a New Occurrence or a Well-Forgotten Old Phenomenon?”. Wildfowl 74 (November):3–22. https://tidsskrift.dk/Wildfowl/article/view/156379.