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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
♦ 2Nestling diet and parental provisioning behaviour in the Marsh harrier (Circus aeruginosus), Marcin BRZEZIŃSKI, Michał ŻMIHORSKI, Acta Zoologica Lituanica, 2009, Volumen 19, Numerus 2
♦ 3Contribution 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