1. Laboratoire Ecologie, Systematique et Evolution; UMR8079 CNRS-Université Paris-Sud XI-AgroParisTech; Université Paris-Sud XI; Batiment 362 F-91405 Orsay Cedex France
2. Department of Biology, Evolutionary Ecology Group; University of Antwerp; Campus CGB B-2020 Antwerp Belgium
3. Karelian Research Centre; Russian Academy of Sciences; Institute of Biology; Petrozavodsk 185610 Russia
4. Department of Experimental Zoology & Evolutionary Biology; University of Lodź; Banacha 12/16 90-237 Lodź Poland
5. Terrestrial Vertebrates Research Unit “Cavanilles”; Institute of Biodiversity and Evolutionary Biology; University of Valencia; C/Catedrático José Beltran 2 Paterna E-46980 Spain
6. Laboratoire Ecologie-Evolution; UMR 7625; Equipe Ecophysiologie Evolutive - Evolutionary Ecophysiology Research Group; Université Pierre et Marie Curie - UPMC; 7 Quai Saint Bernard, Case 237 F-75252 Paris Cedex 05 France
7. Centre d'Ecologie Fonctionnelle et Evolutive; CEFEUMR5175; Campus CNRS, 1919 route deMende F-34293 Montpellier Cedex 5 France
8. Research Laboratory “Ecology of Terrestrial and Aquatic Systems”; University Badji Mokhtar; Annaba Algeria
9. INRA; UR 1115, Plantes et Systèmes de culture Horticoles; F-84000 Avignon France
10. Àrea de Biodiversitat, Grup de Biologia de la Conservació; Centre Tecnològic Forestal de Catalunya; Carretera de St. Llorenç de Morunys, km. 2 E-25280 Solsona Spain
11. Strada Bine, 1424 I-46011 Acquanegra sul Chiese (MM) Italy
12. Stn. Ecol. Expt.; CNRS; Moulis USR2936; F-09200 St. Girons France
13. University of Haifa; Haifa Israel
14. Society for the Protection of Nature; University of Lausanne; Lausanne Switzerland
15. Institute of Environmental Science; Jagiellonian University; Krakow Poland
16. Stazione Inanellamento c/o Dipartimento SEN-FIMIZO; Università di Palermo; Palermo Italy
17. Department of Zoology; Siedlce University of Natural Sciences and Humanities; Prusa 12 PL-08-110 Siedlce Poland
18. Department of Biometry & Evolutionary Biology; CNRS UMR5558; University of Lyon 1; F-69622 Villeurbanne France
19. Museum and Institute of Zoology; Polish Academy of Sciences; Wilcza 64 PL-00-679 Warsaw Poland
20. Department of Biology (Ethology); Campus Drie Eiken, Building C B-2610 Antwerp (Wilrijk) Belgium
21. Section of Ecology; Department of Biology; University of Turku; FI-20014 Turku Finland
22. BioGéoSciences; UMR CNRS 5561; Université de Bourgogne; 6 Boulevard Gabriel F-21000 Dijon France
23. School of Bioscience; Cardiff University; S Glam Wales Cardiff CF10 3AX UK
24. Department of Biology; University of Oulu; FIN-90014 Oulu Finland
25. Departamento de Ecología; Facultad de Biología; Universidad de La Laguna; La Laguna Tenerife Canary Islands E-38260 Spain
26. Tel-Aviv University; Tel-Aviv Israel
27. Department of Natural and Social Sciences; University of Gloucestershire; Glos GL50 4AZ UK
28. Department of Zoology; Edward Grey Institute of Field Ornithology & Institute of Human Sciences; South Parks Road Oxford OX1 3PS UK
29. Department of Animal Ecology; Evolutionary Biology Centre; Uppsala University; SE-75236 Uppsala Sweden
30. Lancaster Environment Centre; Lancaster University; Lancaster LA1 4YQ UK
31. Laboratoire Évolution & Diversité Biologique; UPS Toulouse III; Bât 4R1, salle 122, 118 route de Narbonne F-31062 Toulouse France
32. RSPB; The Lodge; Sandy Bedfordshire SG19 2DL UK
33. Kilpisjarvi Biological Station; University of Helsinki; P.O.Box 17 Helsinki FIN-00014 Finland
34. Institute of Ecology of Nature Research Centre; Akademijos 2 LT-08412 Vilnius Lithuania
35. Ornithological Station; Museum and Institute of Zoology; Polish Academy of Sciences; PL-80-680 Gdansk Poland
36. Institute of Ecology & Earth Sciences; University of Tartu; EE-51014 Tartu Estonia
37. Crx. St. Pierre, 6 rueMorcueil F-21410 Fleurey Sur Ouche France
38. Departamento de Ecología Evolutiva Museo Nacional de Ciencias Naturales; Agencia Estatal Consejo Superior de Investigaciones Científicas; Rodrígues, CSIC; C/Josí Gutiírrez Abascal 2 E-28002 Madrid Spain
39. Department of Zoology; Rzeszów University; Zelwerowicza 4 PL-35-601 Rzeszów Poland
40. Department of Biological and Environmental Sciences; University of Jyväskylä; POB 35 FIN-40014 Jyväskylä Finland
41. Institute of Biodiversity, Animal Health & Comparative Medicine; University of Glasgow; Graham Kerr Building Glasgow G12 8QQ UK
42. Animal Ecology; Lund University; Ecology Building SE-223 62 Lund Sweden
43. Department of Life Sciences; Institute of Marine Research; University of Coimbra; Apartado 3046 PT-3001-401 Coimbra Portugal
44. Centro de Estudos Florestais; Instituto Superior de Agronomia; University of Lisbon; PT-1349-017 Lisbon Portugal
45. Latvian Fund for Nature; Dzirnavu Street 73-2 Riga LV-1011 Latvia
46. Laboratory of Ornithology; Department of Zoology; Palacky University; CZ-77146 Olomouc Czech Republic
47. Institute of Ecology & Evolution (IEE); University of Bern; CH-3012 Bern Switzerland
48. Unidad Asociada CSIC de Ecología Evolutiva y de la Conducta; Nat-Museu de Ciències Naturals de Barcelona; Barcelona Spain
49. Department of Biosciences; University of Oslo; Oslo Norway
50. Luontotutkimus Solonen Oy; Neitsytsaarentie 7b B 147 FIN-00960 Helsinki Finland
51. SROPU; Via R. Crippa 60 Rome Italy
52. School of Life Sciences; University of Sussex; Falmer Brighton Sussex BN1 9QG UK
53. Behavioral Ecology Group; Department of Systematic Zoology & Ecology; Eotvos Lorand University; H-1117 Budapest Hungary
54. Institute of Zoology; Poznan University of Life Sciences; Wojska Polskiego 71 C PL-60-625 Poznań Poland
55. Netherlands Institute of Ecology (NIOO-KNAW); Doevendaalsesteg, 10 NL-6708 BP Wageningen the Netherlands
56. Environmental and Marine Biology; Åbo Akademi University; Artillerigatan 6 Biocity FI-20520 Åbo Finland