Kofler, Barbara http://orcid.org/0000-0002-6546-5832
Wanek, Wolfgang
Voigt, Christian C.
Schulze, Christian H.
Funding for this research was provided by:
Deutsche Ornithologen-Gesellschaft
University of Vienna
Article History
Received: 9 July 2020
Revised: 17 December 2020
Accepted: 2 January 2021
First Online: 22 January 2021
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All federal permits for data collection and the use of feather material were issued by the Austrian Federal Ministry of Education, Science and Research (BMWFW-66.006/0020-WF/V/3b/2016, approval 23.01.2017) and the Department for Nature Conservation of the provincial government of Burgenland (A4/NN.AB-10055-5-2016, ND-10-05-4226-3-2017). The capture and ringing of birds followed standard protocols and birds were released unharmed on site.