Search for: [Abstract = "Analyses o f 69 collections o f the tawny ow ls’ pellets \(28 containing over 100 prey items\) revealed the presence of three rare mammal species on several localities in central and northeastern Poland\: Muscardinus avellanarius \(11 localities\), Sicista betulina \(3\), and Crocidura leucodon \(2\). The obtained results supplemented data on their distribution close to the borders o f continuous ranges. The Kampinos Forest was confirmed as important refuge of M. avellanarius, and the lower basin o f the Biebrza Valley for both M. avellanarius and S. betulina."]