1. WSL Swiss Federal Research Institute Zürcherstrasse 111 Birmensdorf 8903 Switzerland
2. Centre for Ecological and Evolutionary Synthesis (CEES), Department of Biosciences University of Oslo Blindernveien 31 Oslo 0371 Norway
3. Norwegian Institute for Nature Research (NINA) Høgskoleringen 9 Trondheim NO‐7034 Norway
4. High Arctic Institute 603 10th Avenue Orion IL 61273 USA
5. Wolf Creek Operating Foundation 1026 Soldier Creek Road Wolf WY 82844 USA
6. Department of Biological Sciences University of North Texas Denton TX 76201 USA
7. National Wildlife Research Centre, Environment and Climate Change Canada C/O Carleton University 1125 Colonel By Drive Ottawa ON K1A 0H3 Canada