1. Center for Macroecology, Evolution and Climate, Natural History Museum of Denmark, University of Copenhagen, Universitetsparken 15, DK-2100 Copenhagen, Denmark.
2. Department of Biology, Lund University, Ecology Building, SE-22362 Lund, Sweden.
3. Dutch Montagu’s Harrier Foundation, P.O. Box 46, 9679ZG Scheemda, Netherlands.
4. Conservation Ecology Group, Groningen Institute for Evolutionary Life Sciences, University of Groningen, P.O. Box 11103, 9700CC Groningen, Netherlands.
5. Centro de Geofisica de Évora, Universidade de Évora, 7000 Évora, Portugal.
6. Division of Physical Sciences and Engineering, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia.
7. Museo Nacional de Ciencias Naturales, CSIC, Calle José Gutiérrez Abascal, 2, 28006, Madrid, Spain.
8. CIBIO-InBIO, Universidade de Évora, Largo dos Colegiais, 7000 Évora, Portugal.
9. Department of Migration and Immuno-Ecology, Max Planck Institute for Ornithology, Radolfzell, Germany.
10. Department of Biology, University of Konstanz, Konstanz, Germany.
11. Imperial College London, Silwood Park Campus, Ascot, Berkshire SL5 7PY, U.K.