Koppetsch, Thore https://orcid.org/0000-0001-8565-4350
Bagdonaitė, Laima https://orcid.org/0000-0003-0301-6772
Capucho, Ana Teresa https://orcid.org/0009-0006-8461-5054
Tveit, Bjørn Olav https://orcid.org/0009-0008-2749-1539
Johnsen, Arild https://orcid.org/0000-0003-4864-6284
Funding for this research was provided by:
Natural History Museum, University of Oslo
University of Oslo
Article History
Received: 21 January 2025
Revised: 31 March 2025
Accepted: 4 August 2025
First Online: 14 August 2025
Declarations
:
: The authors declare no conflict of interest.
: All applicable international, national, and/or institutional guidelines for the use of animals were followed. Birds were sampled adhering to Norwegian regulations under bird ringing permits issued by the Norwegian Environment Agency (Norwegian ringing license no. 1227).