SKŁAD POKARMU PŁOMYKÓWKI TYTO ALBA W DOLINIE DOLNEJ NOTECI W ROKU 2002
Journal Title: KULON - Year 2016, Vol 21, Issue
Abstract
The Barn Owl Tyto alba pellets were collected at seven sites in the lower Noteć valley and surrounding area in 2002. In total, 1,471 individuals of vertebrate owls’ prey were indentified in the analysed bone material. Small mammals dominated the sample of owls’ food, and constituted to 99.5% of the prey items. The contribution of birds was clearly lower (0.4%), while amphibians were only accidentally preyed (0.1%). Within mammals the most frequently captured species were: Common Shrew Sorex araneus (54.9%), as well as Common Vole Microtus arvalis and House Mouse Mus musculus. In two localities the food composition was compared between years 1984 and 2002, and relatively low differences were recorded. Rarely noted mammal species were found: three new localities of Lesser White-toothed Shrew Crocidura suaveolens and two localities of Water Vole Arvicola amphibius.
Authors and Affiliations
Grzegorz Lesiński
Keywords
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