18 Bird Ringing Centre of Russia, Moscow, Russia, 117312.
19 Department of Zoology, University of British Columbia, 6270 University Blvd, Vancouver, BC, V6T 1Z4, Canada.
20 Migratory Bird Management Division, U.S. Fish and Wildlife Service, 1011 East Tudor Road, MS 201, Anchorage, AK, 99503, USA.
21 , Moscow, Russia.
22 Department of Biology, Lakehead University, 954 Oliver Road, Thunder Bay, ON, PTB 5E1, Canada.
23 National Wildlife Research Centre, Environment and Climate Change Canada, Carleton University, Ottawa, ON, Canada.
24 Department of Arctic and Marine Biology, UiT - The Arctic University of Norway, Postboks 1621, 9509, Alta, Norway.
25 Department of Biology, Section of Ecology, University of Turku, 20014, Turku, Finland.
26 Department of Ecology and Environmental Science, Umeå University, 90187, Umeå, Sweden.
27 Max-Planck Institute for Ornithology, Am Obstberg, 1, 78315, Radolfzell, Germany.
28 Laboratory of Ornithology, Institute of Biological Problems of the North, 18 Portovaya Str, Magadan, 685000, Russia.
29 Arctic Research Station of Institute of Plant and Animal Ecology, Ural Branch, Russian Academy of Sciences, Zelenaya Gorka Str. 21, Labytnangi, Russia, 629400.
30 A.N. Severtsov Institute of Ecology and Evolution, Russian Academy of Sciences, 33 Leninskij prosp, Moscow, Russia, 119071.
32 Department of Biological Sciences, University of Manitoba, 50 Sifton Rd, Winnipeg, MB, R3T 2N2, Canada.
33 Snow Leopard Trust, 4649 Sunnyside Avenue North, Seattle, USA.
34 Chair for Nature Conservation and Landscape Ecology, University of Freiburg, Tennenbacher Str. 4, 79106, Freiburg, Germany.
35 Institute of Biological Problems of Cryolithozone, Siberian Branch of the Russian Academy of Sciences, Lenin Avenue, 41, Yakutsk, Sakha Republic, Russia, 677980.
36 National Wildlife Research Centre, 1125 Colonel By Dr, Ottawa, ON, K1S 5B6, Canada.
37 Science Center for Arctic Studies, State Organization of Yamal-Nenets Autonomous District, Salekhard, Russia.
38 Department of Vertebrate Zoology, Faculty of Biology, Moscow State University, Moscow, Russia, 119991.
In the original published article, some of the symbols in figure 1A were modified incorrectly during the typesetting and publication process. The correct version of the figure is provided in this correction.