Bråthen, Vegard Sandøy https://orcid.org/0000-0002-7357-6727
Dehnhard, Nina https://orcid.org/0000-0002-4182-2698
Fayet, Annette L. https://orcid.org/0000-0001-6373-0500
Christensen-Dalsgaard, Signe https://orcid.org/0000-0003-1657-1919
Lorentsen, Svein-Håkon https://orcid.org/0000-0002-7867-0034
Anker-Nilssen, Tycho https://orcid.org/0000-0002-1030-5524
Funding for this research was provided by:
Norwegian institute for nature research
Article History
Received: 6 June 2025
Accepted: 13 October 2025
First Online: 8 January 2026
Declarations
:
: This study was part of the SEAPOP programme ( ), which is financed by the Norwegian Ministry of Climate and Environment via the Norwegian Environment Agency, the Norwegian Ministry of Petroleum and Energy via the Norwegian Research Council (grant 192141), and the Norwegian Oil and Gas Association (now Offshore Norge). The authors declare no conflicts of interest. We obtained permits to work in the colonies from the local County governors Ethical permits to catch birds and attach loggers were granted by the Norwegian Environment Agency and The Norwegian Food Safety Authority (FOTS ID 19570).
: The authors declare that all applicable national and/or institutional guidelines for sampling, care and experimental use of organisms for the study have been followed, and all necessary approvals have been obtained. We obtained permits to work in the colonies from the local County governors Ethical permits to catch birds and attach loggers were granted by the Norwegian Environment Agency and The Norwegian Food Safety Authority (FOTS ID 19570).