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♦ 1Hunting behaviour and diet of migratory Woodchat Shrikes (Lanius senator) in Eastern Romania, ATTILA D. SANDOR, ISTVAN MATHS and IMRE SIMA, BIOLOGICAL LETT. 2004, 41(2): 167-173
♦ 2Feeding behaviour and foraging strategy of free-living mouse-eared bats, Myotis myotis and Myotis blythii, R. ARLETTAZ, Anim. Behav., 1996, 51, 1–11