33 prey species (10 296 individuals) were recovered from pellets of the Barn Owl in northern part of the "Záhorie" region (Western Slovakia) during period 2002-2006. The family Arvicolidae constituted 65.68 % of recoveries, Soricidae 17.86 %, Muridae 16.64 %, Talpidae 0.04 %, Gliridae 0.02 %, Mustelidae 0.02 %, Vespertilionidae 0.04 % and Aves 4.7 %.