Sottas, Camille http://orcid.org/0000-0002-9635-8407
Reif, Jiří http://orcid.org/0000-0003-2553-7333
Kreisinger, Jakub http://orcid.org/0000-0001-9375-9814
Schmiedová, Lucie http://orcid.org/0000-0003-2180-5281
Sam, Katerina http://orcid.org/0000-0002-3436-0579
Osiejuk, Tomasz S. http://orcid.org/0000-0001-5980-7421
Reifová, Radka http://orcid.org/0000-0001-5852-5174
Funding for this research was provided by:
Grantová Agentura, Univerzita Karlova (6462/2017)
Grantová Agentura České Republiky (18–14325 S)
Article History
Received: 8 January 2020
Accepted: 4 May 2020
First Online: 16 May 2020
Compliance with ethical standards
:
: The authors declare no conflicts of interest.
: This work was carried out in accordance with ethical animal research requirements of Poland according to Polish law (the Act On the Protection of Animals used for Scientific or Educational Purposes, 15.01.2015, item 266, implementing Directive 2010/63/EU of the European Parliament and of the European Council of 22.09.2010). Experiments on birds were approved by the Local Ethic Committee for Scientific Experiments on Animals in Poznań, Poland (permission No. 17/2015) and the Polish National Nature Conservation Authority (permission no. DZP-WG.6401.03.123.2017.dl.3). Ringing was performed under license No. 114225895 of the national ringing centre in Gdańsk (Ornithological Station of the Polish Academy of Sciences).