Chapter 6 Acknowledgements

We thank Bart Kranstauber for helpful discussion on the simulation procedures. Geolocator devices used in Germany were financed via a “small project grant”" from the German Ornithological Society. Christian Wirkner helped getting animal ethic approval for Germany. PM and TA were supported by the Czech Science Foundation, project no. P506/10/0716. This work was financially supported by Ministry of Culture of the Czech Republic (DKRVO 2014/17, 2015/18 and DKRVO 2019–2023/6.VIII.d, National Museum, 00023272).