Evolutionary Implications of Non-human Primate Diets

M. Schoeninger, W. McGrew, C. Phillips
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Abstract

Extant non-human primates are our closest living relatives and knowledge of their diets serves as a focus for hypotheses about past diets. We now know that the diets of extant primates vary from almost total folivory to considerable faunivory. Subsistence strategies of extant primates and stable isotope ratio data constrain dietary scenarios for fossil primates, including hominins. Among extant primates, significant faunivory occurs only in species of <1 kg body weight. Among those >1 kg body weight, smaller primates feed on fruit or fruit with insects, and larger ones on fruit and foliage, including leaves, pith, stems, flowers, and bark. Fossil hominins fall into the size range for fruit and foliage-eating.
非人类灵长类动物饮食的进化意义
现存的非人类灵长类动物是我们最亲近的亲戚,对它们饮食的了解是对过去饮食假设的重点。我们现在知道,现存的灵长类动物的饮食变化很大,从几乎全是动物性的到相当多的动物性的。现存灵长类动物的生存策略和稳定同位素比值数据约束了包括古人类在内的灵长类化石的饮食情景。在现存的灵长类动物中,只有体重为1kg的物种才有明显的动物性,较小的灵长类动物以水果或带昆虫的水果为食,而较大的灵长类动物则以水果和树叶为食,包括叶子、髓、茎、花和树皮。古人类化石属于以水果和树叶为食的体型范围。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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