期刊
NATURE
卷 462, 期 7269, 页码 51-57出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/nature08366
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资金
- Natural Environment Research Council [NE/C511348/1] Funding Source: researchfish
Explanations of cooperation between non-kin in animal societies often suggest that individuals exchange resources or services and that cooperation is maintained by reciprocity. But do cooperative interactions between unrelated individuals in non-human animals really resemble exchanges or are they a consequence of simpler mechanisms? Firm evidence of reciprocity in animal societies is rare and many examples of cooperation between non-kin probably represent cases of intra-specific mutualism or manipulation.
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