Food sharing is a prosocial behavior consisting of the unresisted transfer of monopolizable food from a possessor to another individual(Feistner and McGrew 1989;Stevens and Gilby 2004).Despite the cost for donors(i.e....Food sharing is a prosocial behavior consisting of the unresisted transfer of monopolizable food from a possessor to another individual(Feistner and McGrew 1989;Stevens and Gilby 2004).Despite the cost for donors(i.e.,loss of the food),intraspecifc food sharing occurs in various insects,fsh,birds,and aquatic,terrestrial,and arboreal mammals(Liévin‐Bazin et al.2019;Carter et al.2020).By far,most food sharing is intraspecifc,and takes place while possessors are in the process of eating.Here,we describe the remarkable case of a captive chimpanzee,Pan troglodytes,regularly dispensing food to another primate species(baboons,Papio hamadryas)in a neighboring enclosure.We discuss likely causes and functions of this interspecifc altruistic act.Observations were made in Xi’an Qinling Wildlife Park,Shaanxi Province,China(34°02ʹ56.22″N,108°51ʹ48.60″E),where two adult chimpanzees and a group of around 40-50 baboons lived in adjacent enclosures.The female chimpanzee(AiAi)was the elderly mother of the male(DuoDuo,or DD).At feeding times,AiAi usually ate near the door to the chimpanzees’indoor area,and she almost never interacted with the baboon group.The baboon group consisted of two one-male units.We recorded behaviors using focal-animal sampling(for information about subjects and methods,see Supplementary Materials).展开更多
Primate ecotourism has become an important conservation tool.Based around tourists observing primates in their natural habitat,it can provide multiple benefits(Lebrão et al.2021).Appropriate ecotourism can improv...Primate ecotourism has become an important conservation tool.Based around tourists observing primates in their natural habitat,it can provide multiple benefits(Lebrão et al.2021).Appropriate ecotourism can improve local residents’living conditions and economic level,heighten awareness about animal conservation,and increase funding for the latter(Stronza et al.2019).展开更多
基金supported by the Strategic Priority Research Program of the Chinese Academy of Sciences(XDB31020302)the Natural Science Foundation of China(32271564,31730104)“Western Young Scholars”Project of the Chinese Academy of Sciences(XAB2020YW02).
文摘Food sharing is a prosocial behavior consisting of the unresisted transfer of monopolizable food from a possessor to another individual(Feistner and McGrew 1989;Stevens and Gilby 2004).Despite the cost for donors(i.e.,loss of the food),intraspecifc food sharing occurs in various insects,fsh,birds,and aquatic,terrestrial,and arboreal mammals(Liévin‐Bazin et al.2019;Carter et al.2020).By far,most food sharing is intraspecifc,and takes place while possessors are in the process of eating.Here,we describe the remarkable case of a captive chimpanzee,Pan troglodytes,regularly dispensing food to another primate species(baboons,Papio hamadryas)in a neighboring enclosure.We discuss likely causes and functions of this interspecifc altruistic act.Observations were made in Xi’an Qinling Wildlife Park,Shaanxi Province,China(34°02ʹ56.22″N,108°51ʹ48.60″E),where two adult chimpanzees and a group of around 40-50 baboons lived in adjacent enclosures.The female chimpanzee(AiAi)was the elderly mother of the male(DuoDuo,or DD).At feeding times,AiAi usually ate near the door to the chimpanzees’indoor area,and she almost never interacted with the baboon group.The baboon group consisted of two one-male units.We recorded behaviors using focal-animal sampling(for information about subjects and methods,see Supplementary Materials).
基金supported by the Strategic Priority Research Program of the Chinese Academy of Sciences(XDB31020302)the Natural Science Foundation of China(31730104,32000317)+3 种基金The Natural Science Foundation of China(31730104,32000317)changed to“the Natural Science Foundation of China(31730104,32000317,32271564)”“Western Young Scholars”Project of the Chinese Academy of Sciences(XAB2020YW02)Foundation of Shaanxi Academy of Sciences,China(2017K-09,2021k-12,and 2020K-20).
文摘Primate ecotourism has become an important conservation tool.Based around tourists observing primates in their natural habitat,it can provide multiple benefits(Lebrão et al.2021).Appropriate ecotourism can improve local residents’living conditions and economic level,heighten awareness about animal conservation,and increase funding for the latter(Stronza et al.2019).
