Habitat-dependent intergroup hostility in Diana monkeys, Cercopithecus diana
نویسندگان
چکیده
Territorial threat is costly and variable across contexts behavioural flexibility favoured to maximize any cost/benefit ratio. This well illustrated in how animals react familiar or unfamiliar outgroup members. In some situations, neighbours are better tolerated than strangers, resulting a ‘dear-enemy effect’; other the pattern reversed, ‘nasty-neighbour effect’. Typically, effects species-specific traits, although both can also occur within same species. Here, we investigated wild Diana monkeys of Taï Forest (Ivory Coast) their reactions individuals using playbacks male alarm calls eagles. We found that groups living primary forest (high group density, high food availability low predation pressure) followed ‘nasty neighbour’ strategy whereas secondary (low resources risk) ‘dear enemy’ strategy, suggesting pressure impact hostile behaviour displayed nonhuman primates. Our results confirm primate relationships between conspecifics different identities depending on ecological traits habitat.
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ژورنال
عنوان ژورنال: Animal Behaviour
سال: 2021
ISSN: ['0003-3472', '1095-8282']
DOI: https://doi.org/10.1016/j.anbehav.2021.06.001