Funding for this research was provided by:
A.G. Leventis Foundation (310713)
The Peregrine Fund (300813)
Joint Nature Conservation Committee (T13-0209-00707)
Sovereign Base Areas Administration (160413)
Text and Data Mining valid from 2020-02-12
Received: 25 September 2019
Accepted: 5 January 2020
First Online: 12 February 2020
Ethics approval and consent to participate
: A bird ringing licence and a research licence to attach bird transmitters were obtained from the Sovereign Bases Areas Administration (SBAA) Environment Department.
: Not applicable.
: The authors declare that they have no competing interests.