Attributes / relations provided by
♦ 1DIET, FRUIT CHOICE AND VARIATION IN BODY CONDITION OF FRUGIVOROUS
WARBLERS IN MEDITERRANEAN SCRUBLAND, PEDRO JORDANO, Ardea 76 (1988): 193-209
♦ 2Frugivory, external morphology and digestive system in Mediterranean sylviid warblers Sylvia spp., Pedro Jordano, IBIS 129: 175-189 (1987)
♦ 3A STUDY OF AVIAN FRUGIVORES, BIRD-DISPERSED PLANTS, AND THElR INTERACTION IN MEDITERRANEAN SCRUBLANDS, CARLOS M. HERRERA, Ecological Monographs, 54(1), 1984, pp. 1-23