• Ontogeny of aggressive and submissive behaviour in free living rhesus monkeys (Macaca mulatta)

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    • Keywords


      Free ranging rhesus monkey; ontogeny; aggression; submission; trend analysis

    • Abstract


      Twenty rhesus monkeys of various age-sex classes were observed by focal animal and one-zero sampling technique for 12 months at Galta hillocks near Jaipur (Rajasthan). Behavioural elements sampled were screech, scream, bark, threat, chase, clasppull, bite, fear grimace, lip-smack and submit. These elements were categorized into aggressive and submissive behaviours by pooling the frequencies of elements. Mean per cent frequencies were derived and analysed by ANOVA, trend analysis, Kruskal Wallis one way ANOVA and Mann-Whitney ‘U’ test. It was found that submissive behaviour among females and aggressive behaviour among males changed with age. The findings have been interpreted on the basis of social conditions and the typical spatial position of the age-sex class within the group space/structure.

    • Author Affiliations


      Rajbir Singh1 2

      1. Department of Psychology, University of Rajasthan, Jaipur - 302 004, India
      2. Department of Psychology, Kurukshetra University, Kurukshetra - 132 119, India
    • Dates


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