Kloskowski, Janusz http://orcid.org/0000-0002-0525-2421
Article History
Received: 13 October 2021
Revised: 1 March 2022
Accepted: 3 March 2022
First Online: 10 March 2022
Declarations
:
: This study complied with the current laws of Poland. The ringing of birds was done under permits from the Ornithological Station of the Institute of Zoology, Polish Academy of Sciences. Blood sampling was approved by the Local Ethical Commission (Lublin) and the Polish Ministry of the Environment.
: The author declares no competing interests.