作者: H. F. HOWE , G. A. V. KERCKHOVE
DOI: 10.1126/SCIENCE.210.4472.925
关键词:
摘要: Frugivorous birds preferentially remove fruits from Panamanian Virola trees where the ratio of edible aril to indigestible seed is high. A negative correlation between proportion crop removed and mean size explains 59 percent variance in removal, suggesting that minimize ingestion useless bulk.