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♦ 1A STUDY OF AVIAN FRUGIVORES, BIRD-DISPERSED PLANTS, AND THElR INTERACTION IN MEDITERRANEAN SCRUBLANDS, CARLOS M. HERRERA, Ecological Monographs, 54(1), 1984, pp. 1-23
♦ 2Frugivory, external morphology and digestive system in Mediterranean sylviid warblers Sylvia spp., Pedro Jordano, IBIS 129: 175-189 (1987)