Rank-dependent social inheritance determines social network structure in spotted hyenas
Rank-dependent social inheritance determines social network structure in spotted hyenas
复制标题
DOI：
10.1126/science.abc1966
复制
发表时间：
2021-07-16
期刊：
影响因子：
56.9
通讯作者：
Akcay, Erol
中科院分区：
文献类型：
--
作者：
Ilany, Amiyaal;Holekamp, Kay E.;Akcay, Erol
动物社会网络的结构影响着生存和繁殖的成功，也影响着病原体和信息的传播。然而，决定社会结构的一般机制仍不清楚。利用27年来收集的野生斑点鬣狗73767次社会互动数据，我们发现社会遗传过程决定了后代关系的形成和维持方式。后代与其他鬣狗之间的关系与母亲之间的关系相似长达6年，并且相似程度随着母亲的社会地位而增加。亲子关系强度影响社会遗传，并与后代寿命呈正相关。这些结果支持了一种假设，即关系的社会继承可以构建动物的社会网络，并受到适应性权衡的影响。
The structure of animal social networks influences survival and reproductive success, as well as pathogen and information transmission. However, the general mechanisms determining social structure remain unclear. Using data from 73,767 social interactions among wild spotted hyenas collected over 27 years, we show that the process of social inheritance determines how offspring relationships are formed and maintained. Relationships between offspring and other hyenas bear resemblance to those of their mothers for as long as 6 years, and the degree of similarity increases with maternal social rank. Mother-offspring relationship strength affects social inheritance and is positively correlated with offspring longevity. These results support the hypothesis that social inheritance of relationships can structure animal social networks and be subject to adaptive tradeoffs.