George, Anna https://orcid.org/0009-0006-8630-2203
Aastrup, Christian https://orcid.org/0000-0002-7237-8390
Emmenegger, Tamara https://orcid.org/0000-0002-2839-6129
Hegemann, Arne https://orcid.org/0000-0002-3309-9866
Funding for this research was provided by:
Vetenskapsrådet (2018-04278)
Vetenskapsrådet (2024-05731)
Netherlands Organization for Scientific Research (825.13.022)
Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung (P2EZP3_199968)
Lund Society for Animal protection (93/14)
Lund Society for Animal protection (95/18)
Lund Society for Animal protection (66/17)
Lund Society for Animal protection (68/18)
Lund Society for Animal protection (72/21)
Lund University
Article History
Received: 18 November 2025
Revised: 29 April 2026
Accepted: 17 May 2026
First Online: 3 June 2026
Declarations
:
: None.
: This study was performed under permits 2014/M56-14 and 18–0619/2019 from the Malmö/Lund ethical committee. All ringing activities were licenced by the Swedish Museum of Natural History Ringing Centre (Stockholm, Sweden).