1. Institute of Vertebrate Biology, Academy of Sciences of the Czech Republic, Květná 8, 60365 Brno, Czech Republic
2. Institute of Environmental Sciences, Jagiellonian University, Gronostajowa 7, 30387 Kraków, Poland
3. Department of Zoology, Faculty of Sciences, Charles University in Prague, Viničná 7, 12844, Prague, Czech Republic
4. Institute of Nature Conservation, Polish Academy of Sciences, Al. Mickiewicza 33, 31‐120 Kraków, Poland