1. Institute of Nature Conservation; Polish Academy of Sciences; Mickiewicza 33 Krakow 31120 Poland
2. Estación Biológica de Doñana - CSIC; Av. Américo Vespucio s/n 41092 Sevilla Spain
3. German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig; Deutcher Pl. 5E 04103 Leipzig Germany
4. Max Planck Institute for Ornithology; Am Obstberg 1 78315 Radolfzell Germany
5. Slovak Wildlife Society; Post Office Box 72 03301 Liptovský Hrádok Slovakia
6. ARCTUROS - Civil Society for the Protection and Management of Wildlife and the Natural Environment; 53075 Aetos, Florina Greece
7. Biotechnical Faculty; University of Ljubljana; Jamnikarjeva 101 1000 Ljubljana Slovenia
8. Faculty of Veterinary Medicine; University of Zagreb; Heinzelova 55 10000 Zagreb Croatia
9. Biodiversity and Animal Protection Service; Generalitat de Catalunya; Dr. Roux, 80 08017 Barcelona Spain
10. Institute of Ecology and Earth Sciences; Vanemuise 46 51014 Tartu Estonia
11. University of Rome “La Sapienza”; Viale dell'Università 32 00185 Roma Italy
12. Provincia Autonoma di Trento - Servizio Foreste e Fauna; Via Trener no. 3 38100 Trento Italy
13. Balkani Wildlife Society; Boulevard Dragan Tzankov 8 1164 Sofia Bulgaria
14. Servicio Territorial de Medio Ambiente de León; Junta de Castilla y León; Av. Peregrinos s/n 24008 León Spain
15. ONCFS-CNERA PAD, Equipe Ours, Impasse de la Chapelle; 31800 Villeneuve de Rivière France
16. Schmalhausen Institute of Zoology; National Academy of Sciences of Ukraine; 15 Bogdan Khmelnitsky 01601 Kyev-30 Ukraine
17. State Nature Conservancy of Slovak Republic; Tajovskeho 28B 97401 Banská Bystrica Slovakia
18. Latvian State Forest Research Institute “Silava”; Rīgas str 111 Salaspils 2169 Latvia
19. Slovenia Forest Service; Večna pot 2 SI-1000 Ljubljana Slovenia