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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
♦ ²Ecology of Commanster
♦ ³Blarina carolinensis, Timothy S. McCay, MAMMALIAN SPECIES No. 673, pp. 1–7 (2001)
♦ ⁴Spermophilus saturatus, Stephan C. Trombulak, MAMMALIAN SPECIES No. 322, pp. 1-4 (1988)
♦ ⁵Geomys bursarius (Rodentia: Geomyidae), MATTHEW B. CONNIOR, MAMMALIAN SPECIES 43(879):104–117 (2011)
♦ ⁶Glis glis (Rodentia: Gliridae), BORIS KRYSTUFEK, MAMMALIAN SPECIES 42(865):195–206 (2010)
♦ ⁷Microtus canicaudus, B. J. Verts and Leslie N. Carraway, MAMMALIAN SPECIES No. 267, pp. 1-4 (1987)
♦ ⁸Microtus pinetorum, Michael J. Smolen, Mammalian Species No. 147, pp. 1-7 (1981)
♦ ⁹FOOD HABITS OF A HARLAN'S HAWK AND LONG-EARED OWLS IN KANSAS, Ted T. Cable and John S. Bond, Kansas Ornithological BULLETIN, Vol. 42, No. 2, June, 1991, p. 25-27
♦ ¹⁰Study of Northern Virginia Ecology
♦ ¹¹Contribution 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