Altruism in wolves explains the coevolution of dogs and humans

IF 0.2 Q4 EVOLUTIONARY BIOLOGY Ideas in Ecology and Evolution Pub Date : 2016-06-13 DOI:10.4033/iee.2016.9.2.n
P. Jouventin, Y. Christen, F. Dobson
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引用次数: 5

Abstract

The date of historical domestication of dogs has been pushed back to between 15,000–30,000 years ago (estimates vary), a time when hunter-gatherer societies predominated in northern Europe and central Asia. We present insights from evolutionary behavioural ecology suggesting that wolves may have been “tricked” by their social evolution into contributing to the success of prehistoric human families or tribes. Four different wolves (one observed in great detail, as reported in recent book) that were raised by human families exhibited cooperative behaviours that protected their human “pack members.” Such hereditary altruistic behaviours may have been transferred by descent to the first dogs, which helped our ancestors hunt large animals and fight against other human tribes and wild carnivores. We hypothesize that the first need in domestication was for less aggressive wolf behaviour, within the wolf and human coevolution of the cooperative family or tribe that used wolves to increase their competitive fitness advantages.
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狼的利他主义解释了狗和人类的共同进化
狗在历史上被驯化的时间可以追溯到1.5万到3万年前(估计有所不同),当时狩猎采集社会在北欧和中亚占主导地位。我们提出了进化行为生态学的见解,表明狼可能被它们的社会进化“欺骗”,为史前人类家庭或部落的成功做出了贡献。由人类家庭饲养的四只不同的狼(其中一只被详细观察,在最近的一本书中有报道)表现出合作行为,以保护它们的人类“群体成员”。这种遗传的利他行为可能通过祖先传给了第一批狗,它们帮助我们的祖先捕猎大型动物,并与其他人类部落和野生食肉动物作战。我们假设,在狼和人类共同进化的合作家庭或部落中,驯化的第一个需要是狼的攻击性较低的行为,这些家庭或部落使用狼来增加竞争适应性优势。
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Ideas in Ecology and Evolution
Ideas in Ecology and Evolution EVOLUTIONARY BIOLOGY-
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36 weeks
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