Funding for this research was provided by:
Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung (31003A_173178, 2015.0788)
Received: 19 January 2021
Accepted: 31 March 2021
First Online: 21 April 2021
: This study meets the legal requirements of capturing, handling, and attaching GPS devices to barn owls in Switzerland (legal authorizations: VD and FR 2844 and 3213; capture and ringing permissions from the Federal Office for the Environment).
: Not applicable.
: The authors declare that they have no competing interests.