Veli-Matti Pakanenhttps://orcid.org/0000-0003-4838-9927,^1,* Donald Blomqvist,² Torgrim Breiehagen,³ Lars-Åke Flodin,⁴ Olavi Hildén,^** David B. Lank,⁵ Mikael Larsson,⁶ Terje Lislevand,⁷ Kimmo Nuotio,⁸ Peter Olsson,⁹ Richard Ottvall,¹⁰ Angela Pauliny,² Hannes Pehlak,¹¹ Antti Rönkä,¹ Nelli Rönkä,¹ Douglas Schamel,^** Martti Soikkeli,¹² Robert L. Thomson,¹³ Ole Thorup,¹⁴ Pavel Tomkovich,¹⁵ Diane Tracy,¹⁶ Kari Koivula<sup>1

1</sup>1Department of Ecology and Genetics, P.O. Box 3000, 90014 University of Oulu, Finland
²2Department of Biological and Environmental Sciences, University of Gothenburg, Box 463, Gothenburg,
³3Breievege 201, 3570 Ål, Norway
⁴4Rannevägen 12, Varberg, 432 95, Sweden
⁵5Department of Biological Sciences, Simon Fraser University, Burnaby, British Columbia, Canada V5A 1
⁶6Ljungvägen 3, Väröbacka, 430 22, Sweden
⁷7University Museum of Bergen, Dept. of Natural History, University of Bergen, PO Box 7800, N-5020 Be
⁸8Environmental Agency, Valtakatu 11, 28100 Pori, Finland
⁹9Centre for Environmental and Climate Research (CEC), Ekologihuset, Sölvegatan 37, Lund, Sweden
¹⁰10Department of Animal Ecology, Lund University, Lund, Sweden
¹¹11Institute of Agricultural and Environmental Sciences, Estonian University of Life Sciences, Kreutz
¹²12Biology Department, FI-20014 Turku University, Finland
¹³13FitzPatrick Institute of African Ornithology, DST-NRF Centre of Excellence, University of Cape Tow
¹⁴14Amphi Consult, V. Vedsted Byvej 32, Vester Vedsted, DK-6760 Ribe, Denmark
¹⁵15Zoological Museum, Lomonosov Moscow State University, Bolshaya Nikitskaya Str. 6, Moscow 125009, R
¹⁶16PO Box 82227, Fairbanks, Alaska 99708, USA

^*corresponding author (veli-matti.pakanen@oulu.fi)
^**Corresponding editor: Raymond Klaassen