1. BirdLife International Cambridge U.K.
2. Institute of Biodiversity Animal Health and Comparative Medicine University of Glasgow Glasgow U.K.
3. German Federal Agency for Nature Conservation Putbus Germany
4. Department of Bioscience Aarhus University Roskilde Denmark
5. South Iceland Nature Research Centre Vestmannaeyjar Icealnd
6. EuroNatur Foundation Radolfzell Germany
7. Stichting BirdLife Europe Brussels Belgium
8. Norwegian Institute for Nature Research Trondheim Norway
9. Fuglavernd / BirdLife in Iceland Reykjavík Iceland
10. Tromsø University Museum Tromsø Norway
11. Funchal Natural History Museum Funchal Portugal
12. UMR 6249 Chrono‐environnement Université de Bourgogne Franche‐Comté Besançon France
13. Groupe de Recherche en Ecologie Arctique Francheville France
14. Centre d'Ecologie Fonctionnelle et Evolutive CNRS ‐ Université de Montpellier ‐ Université Paul‐Valéry Montpellier – EPHE Montpellier France
15. MARE ‐ Marine and Environmental Sciences Centre ISPA ‐ Instituto Universitário Lisbon Portugal
16. University of Coimbra, MARE‐Marine and Environmental Sciences Centre, Dep. Life Sciences Coimbra Portugal
17. Centre d'Etudes Biologiques de Chizé (CEBC) UMR 7372 CNRS‐La Rochelle Université Villiers‐en‐bois France
18. Institut de Recerca de la Biodiversitat (IRBio) and Dept. de Biologia Evolutiva, Ecologia i Ciències Ambientals Universitat de Barcelona Barcelona Spain
19. Faroe Marine Research Institute Tórshavn Faroe Islands
20. UK Centre for Ecology & Hydrology Penicuik U.K.
21. RSPB Sandy U.K.
22. Greenland Institute of Natural Resources Nuuk Greenland
23. Portuguese Society for the Study of Birds (SPEA) Lisboa Portugal
24. University of Oxford Oxford U.K.
25. Littoral, Environnement et Sociétés (LIENSs) UMR 7266 CNRS‐La Rochelle Université La Rochelle France
26. CESAM‐Faculdade de Ciências da Universidade de Lisboa Lisboa Portugal
27. FitzPatrick Institute of African Ornithology Rondebosch South Africa
28. Wildlife Research Division Environment and Climate Change Mount Pearl NL Canada
29. School of Biological, Earth & Environmental Sciences, Environmental Research Institute University College Cork Ireland
30. Northeast Iceland Nature Research Centre Húsavík Iceland
31. Friedrich Schiller University, Institute of Ecology and Evolution Jena Germany
32. Max Planck Institute for Ornithology Department of Behavioural Ecology and Evolutionary Genetics Seewiesen Germany
33. Justus‐Liebig‐University Giessen, Clinic for Birds, Reptiles, Amphibians and Fish Working Group for Wildlife Research Giessen Germany
34. Department of Environment and Natural Resources, Government of Bermuda Paget Bermuda
35. Háskóli Íslands University of Iceland Reykjavik Iceland
36. Biology, Acadia University Wolfville NS Canada
37. Birds Canada Sackville NB Canada
38. Psychology Department, Memorial University of Newfoundland St. John's NL Canada
39. MARE – Marine and Environmental Sciences Centre, IMAR & Okeanos Horta Portugal
40. Independent researcher Reykjavik Iceland
41. British Antarctic Survey Cambridge U.K.
42. Canadian Wildlife Service, Environment and Climate Change Canada Dartmouth NS Canada
43. Icelandic Institute of Natural History Garðabær Iceland
44. University of Freiburg Freiburg Germany
45. Norwegian Polar Institute Tromsø Norway
46. Biodiversity Research Institute Portland Maine USA
47. Lighthouse Field Station, School of Biological Sciences University of Aberdeen Cromarty U.K.
48. Bureau Waardenburg Culemborg The Netherlands
49. Freira Conservation Project Funchal Portugal