Infanticide,killing unweaned offspring in conspecifics,occurs widely among mammals,such as rodents,ungulates,and carnivores,especially in primates(Lukas and Huchard 2014).Such scenarios are often triggered by intruder...Infanticide,killing unweaned offspring in conspecifics,occurs widely among mammals,such as rodents,ungulates,and carnivores,especially in primates(Lukas and Huchard 2014).Such scenarios are often triggered by intruders that have replaced the former dominant males in nonhuman primates(Borries 1997).It has widely been viewed that infanticide is one of the solutions of sexually driven evolutionary selection:males kill infants to end lactational amenorrhea of the victim's mothers,forcing them to return to estrus and providing infanticidal males with the opportunities to sire their new offspring(Hrdy 1979).There is a broad spectrum regarding the patterns and mechanisms causing such events,referring to alternative breeding behaviors and mating systems-monogamy,polyandry,polygyny,and promiscuity(Qi et al.2020).展开更多
Rank recognition allows social animals to adapt to complex and changeable environments and to cope with hierarchical relationships within their societies(Crone 2017).Rank recognition can improve the distribution of ad...Rank recognition allows social animals to adapt to complex and changeable environments and to cope with hierarchical relationships within their societies(Crone 2017).Rank recognition can improve the distribution of advantageous resources,individual adaptation,and social cohesion among group-living animals(Marmolejo-Ramos and Angiulli 2014).Empirical evidence suggests that rank recognition is a basic behavioral manifestation of social cognition adopted by a wide range of insects,birds,and mammals,including nonhuman primates(Schmitt and Fischer 2011;Smith et al.2017).Unlike most other vertebrates,primates have unusually large brains and form complex social groups.展开更多
基金supported by the National Natural Science Foundation of China(32070457,32200396,31730104)Strategic Priority Research Program of the Chinese Academy of Sciences(XDB31020302)+2 种基金The Biodiversity Survey and Assessment Project(2019HJ2096001006)Key Cultivation Research Project of Shaanxi Academy of Sciences(2022K-05)The American Society of Primatologists wild“Saving Primates Where They Live”Partnership Award.
文摘Infanticide,killing unweaned offspring in conspecifics,occurs widely among mammals,such as rodents,ungulates,and carnivores,especially in primates(Lukas and Huchard 2014).Such scenarios are often triggered by intruders that have replaced the former dominant males in nonhuman primates(Borries 1997).It has widely been viewed that infanticide is one of the solutions of sexually driven evolutionary selection:males kill infants to end lactational amenorrhea of the victim's mothers,forcing them to return to estrus and providing infanticidal males with the opportunities to sire their new offspring(Hrdy 1979).There is a broad spectrum regarding the patterns and mechanisms causing such events,referring to alternative breeding behaviors and mating systems-monogamy,polyandry,polygyny,and promiscuity(Qi et al.2020).
基金supported by the Key Program of the National Natural Science Foundation of China(31730104)National Natural Science Foundation of China(31801981,31800319)+4 种基金Strategic Priority Research Program of the Chinese Academy of Sciences(XDB31020302)Shaanxi Innovation Capability Support Plan(2020KJXX-008)Special Foundation of Shaanxi Academy of Sciences,China(2021k-5,2018K-16-04,2017K-06)Shaanxi Key Research and Development Program(2018PT-04)Open Foundation of Key Laboratory of Beijing Zoo(ZDK202004).
文摘Rank recognition allows social animals to adapt to complex and changeable environments and to cope with hierarchical relationships within their societies(Crone 2017).Rank recognition can improve the distribution of advantageous resources,individual adaptation,and social cohesion among group-living animals(Marmolejo-Ramos and Angiulli 2014).Empirical evidence suggests that rank recognition is a basic behavioral manifestation of social cognition adopted by a wide range of insects,birds,and mammals,including nonhuman primates(Schmitt and Fischer 2011;Smith et al.2017).Unlike most other vertebrates,primates have unusually large brains and form complex social groups.
