1 Department of Biogeography and Global Change, Museo Nacional de Ciencias Naturales (BGC-MNCN-CSIC), c/Serrano 115bis, 28006, Madrid, Spain. [email protected].
2 Department of Zoology and Laboratory of Ornithology, Palacky University, 77146, Olomouc, Czech Republic.
3 Behavioral Ecology Group, Department of Systematics, Zoology and Ecology, Eötvös Loránd University, Pázmány Péter sétány 1/c, 1117, Budapest, Hungary.
4 Department of Plant Pathology, Institute of Plant Protection, Hungarian University of Agriculture and Life Sciences, Ménesi út 44, 1118, Budapest, Hungary.
5 Faculty of Environmental Sciences, Community Ecology and Conservation, Czech University of Life Sciences Prague, Kamýcká 129, 165 00, Prague 6, Czech Republic.
6 Department of Zoology, Faculty of Sciences, University of Granada, 18071, Granada, Spain.
7 Nature Inventory and EIA‑Services, Arctic Centre, University of Lapland, P. O. Box 122, 96101, Rovaniemi, Finland.
8 Department of Zoology, Institute of Ecology and Earth Sciences, University of Tartu, 19 51014, Tartu, Estonia.
9 Institute of Zoology, Poznań University of Life Sciences, Wojska Polskiego 71C, 60625, Poznań, Poland.
10 Ecologie Systématique et Evolution, Université Paris-Saclay, CNRS, AgroParisTech, 91405, Orsay, France.