Nord, Andreas http://orcid.org/0000-0001-6170-689X
Holje, Vidar
Judik, Benjamin
Folkow, Lars P. http://orcid.org/0000-0002-6580-9156
Pap, Péter L. http://orcid.org/0000-0002-3659-7684
Funding for this research was provided by:
Vetenskapsrådet (2020-04686)
Kungliga Fysiografiska Sällskapet (2017-39034)
Carl Tryggers Stiftelse för Vetenskaplig Forskning,Sweden (14-347)
Magyar Tudományos Akadémia
Lund University
Article History
Received: 21 September 2022
Revised: 7 February 2023
Accepted: 22 February 2023
First Online: 24 March 2023
Declarations
:
: The authors declare they have no financial or commercial conflicts of interest.
: Ethical permission for the upkeep of birds that were used in the feather trait study was granted by the Norwegian Food Safety Authority (approval no. 6639).