Funding for this research was provided by:
Vienna Science and Technology Fund (H-2483/2012)
Deutsche Ornithologen-Gesellschaft (n/a)
Suomen Kulttuurirahasto (H91042)
H2020 Marie Skłodowska-Curie Actions (PIEF-GA-2013-625883)
Academy of Finland (123379, 136717 and 250709)
Marietta Blau Stipendium (n/a)
Environmental Protection Bureau of Vienna (MA 22-2220/2010)
Text and Data Mining valid from 2019-08-06
Received: 10 July 2019
Accepted: 17 July 2019
First Online: 6 August 2019
Ethics approval and consent to participate
: Bleeding and trapping of kestrels was executed in accordance to Finnish and EU Laws and regulations and under the approval of the animal experiment committee (permit number ESAVI-2010-05480/Ym-23 and ringing license no. 524 to EK), and followed the Weatherall Report and the guidelines for the treatment of animals in behavioural research and teaching (ASAB 2012).
: Not applicable.
: The authors declare that they have no competing interests.