1. School of Environmental Sciences University of East Anglia Norwich UK
2. CIBIO/InBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos Universidade do Porto Vairão Portugal
3. CIBIO/InBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos Universidade de Lisboa Lisbon Portugal
4. British Trust for Ornithology The Nunnery Thetford UK
5. Heriot Watt University Edinburgh UK
6. Bulgarian Society for the Protection of Birds BirdLife Bulgaria Sofia Bulgaria
7. Department of Applied Biology Estación Biológica de Doñana Seville Spain
8. Institute for Biodiversity and Ecosystem Dynamics, University of Amsterdam Amsterdam The Netherlands
9. Tour du Valat Research institute for conservation of Mediterranean wetlands Arles France
10. British Trust for Ornithology Scotland Stirling University Innovation Park Stirling UK
11. Nature Research Centre Vilnius Lithuania
12. Centre of Evolutionary and Functional Ecology CNRS Campus Montpellier France
13. Institute of Avian Research, Vogelwarte Helgoland Germany
14. Max Planck Institute of Animal Behavior Radolfzell am Bodensee Germany
15. Centre for the Advanced Study of Collective Behaviour University of Konstanz Constance Germany
16. Department of Zoology Tel Aviv University Tel Aviv Israel
17. Waldrappteam Conservation and Research Austria
18. Environment Science and Solutions S.L. Valencia Spain
19. Research and Technology Centre (FTZ) Kiel University Kiel Germany
20. Department of Biology University of Pisa Pisa Italy
21. Department of Zoology and Anthropology Sofia University St. Kliment Ohridski Sofia Bulgaria
22. Fund for wild Flora and Fauna Bulgaria
23. Department of Ecology, Evolution and Behavior The Hebrew University of Jerusalem Jerusalem Israel
24. Bionet Natuuronderzoek EL Stein (Lb) The Netherlands
25. Institute of Biological Problems of the North FEB RAS Magadan Russia
26. Netherlands, Institute of Ecology (NIOO‐KNAW) Wageningen The Netherlands
27. Movement Ecology Lab, Environmental Research Cavanilles Institute of Biodiversity and Evolutionary Biology, University of Valencia Valencia Spain
28. Institute, North Highland College – UHI University of the Highlands and Islands Thurso UK
29. Department of Physical Sciences, Earth and Environment University of Siena Siena Italy
30. Centre for Conservation Science Research Royal Society for the Protection of Birds Cambridge UK
31. Department of Geography, Ecology and Environmental Protection South‐West University Neofit Rilski Blagoevgrad Bulgaria
32. The Vulture Conservation Foundation Zürich Switzerland
33. Institute of Plant & Animal Ecology, UB RAS Ekaterinburg Russia
34. Institute of Biological Problems of the North, FEB RAS Magadan Russia
35. Hellenic Ornithological Society (BirdLife Greece) Athens Greece
36. Maremma Natural History Museum Grosseto Italy
37. Department of Biology and Environmental Science Linnaeus University Kalmar Sweden
38. DHI Hørsholm Denmark