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♦ ¹DIET COMPOSITION OF THE LONG-EARED OWL IN SLOVENIA: SEASONAL VARIATION IN PREY USE, DAVORIN TOME, J Raptor Res. 28(4):253-258
♦ ²Food habits of Zamenis longissimus (Laurenti, 1768) (Reptilia: Serpentes: Colubridae) in Bieszczady (south-eastern Poland), BARTŁOMIEJ NAJBAR, Vertebrate Zoology 57 (1) 2007, 73-77
♦ ³Ecology of Commanster
♦ ⁴Glis glis (Rodentia: Gliridae), BORIS KRYSTUFEK, MAMMALIAN SPECIES 42(865):195–206 (2010)
♦ ⁵Avian and mammalian predators of shrews in Europe: regional differences, between-year and seasonal variation, and mortality due to predation, Erkki Korpimäki & Kai Norrdahl, Ann. Zool. Fennici 26:389-400. 1989
♦ ⁶Contribution to the study of the diet of four owl species (Aves, Strigiformes) from mainland and island areas of Greece, Haralambos Alivizatos, Vassilis Goutner and Stamatis Zogaris, Belg. J. Zool., 135 (2) : 109-118