1. Division of Biology; Kansas State Univ.; Manhattan KS USA
2. US Geological Survey; La Crosse WI USA
3. Manomet Center for Conservation Sciences; Manomet MA USA
4. US Fish and Wildlife Service; Anchorage AK USA
5. Alaska Audubon; Anchorage AK USA
6. Ontario Ministry of Natural Resources and Forestry; Peterborough ON Canada
7. Wildlife Conservation Society, Arctic Beringia Program; Fairbanks AK USA
8. Dépt de Biologie, Chimie et Géographie and Centre d’Études Nordiques; Univ. du Québec à Rimouski; Rimouski QC Canada
9. Dept of Biology and Wildlife; Univ. of Alaska Fairbanks; Fairbanks AK USA
10. US Geological Survey; Anchorage AK USA
11. Dept of Biological Sciences; Simon Fraser Univ.; Burnaby BC Canada
12. Environmental and Life Sciences Graduate Program, Trent Univ.; Peterborough ON Canada
13. British Trust for Ornithology; Thetford UK
14. Environment and Climate Change Canada; Ottawa ON Canada
15. K.-C.-Irving Research Chair in Environmental Sciences and Sustainable Development; Dépt de Chimie et de Biochimie, Univ. de Moncton; Moncton NB Canada
16. Cornell Lab of Ornithology, Cornell Univ.; Ithaca NY USA
17. Dept of Fish and Wildlife Conservation; Virginia Tech; Blacksburg VA USA
18. Centre for Wildlife Ecology, Simon Fraser Univ.; Burnaby BC Canada
19. Canada Research Chair in Polar and Boreal Ecology, Univ. de Moncton; Moncton NB Canada
20. Audubon Society of Portland; Portland OR USA
21. Dept of Multidisciplinary Studies/Biology; York Univ. Glendon Campus; Toronto ON Canada Peterborough ON Canada
22. Environment and Climate Change Canada; Yellowknife NT Canada
23. Division of Biological Sciences; Univ. of Montana; Missoula MT USA
24. Lomonosov Moscow State Univ.; Moscow Russia
25. Inst. of Biological Problems of the North; Magadan Russia