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Fruit size in wild olives: implications for avian ed
dispersal
认真学习马列主义期刊名称： Functional Ecology
作者： P. J. REY,J. E. GUTIÉRREZ,J. ALCÁNTARA,F. VALERA
作者机构： Departamento de Biología Animal, Vegetal y Ecología, Universidad de Jaén, 23071 Jaén, Spain
年份： 1997年
期号： 第5期
续写穷人500字关键词： Frugivorous birds;fruit feeding behaviour
摘要：1. The respon of frugivorous birds to an enlargement of fruit size, and the conquences for both birds and plants, are analyd for the interaction between avian ed disperrs and olives ( Olea
画家乡
europaea) . 2. The enlargement of fruit size promotes a shift in frugivorous birds' feeding behaviour, from swallowing fruits whole to pecking pieces of pulp. The relative frequency of olive consumption using each feeding behaviour was assd by combining field data on frequency of appearance of olive pulp and eds with data from laboratory trials. 3. Sardinian Warblers ( Sylvia melanocephala ) and European Robins ( Erithacus rubecula ) were mainly peckers both on cultivated and wild olives. Blackcaps ( Sylvia atricapilla ) consumed wild olives mainly by swallowing but consumed cultivated olives (larger than the wild ones)
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