Number of main prey groups (voles of the genera <i>Myodes</i> and <i>Microtus</i>, shrews <i>Sorex araneus</i> and <i>S</i>. <i>minutus</i>, mice <i>Micromys minutus</i> and <i>Mus musculus</i>, and small birds) in food-stores of pygmy owls, number of food store sites and number of prey items per store-site, total number of owls trapped or encountered in the study area, as well as mean number of food-store sites per owl and median linear distance between food-store sites of individual owls (in parentheses) during autumns 2017 and 2018.

Number of main prey groups (voles of the genera Myodes and Microtus, shrews Sorex araneus and S. minutus, mice Micromys minutus and Mus musculus, and small birds) in food-stores of pygmy owls, number of food store sites and number of prey items per store-site, total number of owls trapped or encountered in the study area, as well as mean number of food-store sites per owl and median linear distance between food-store sites of individual owls (in parentheses) during autumns 2017 and 2018.