SOCIAL BEHAVIOUR IN PRIMATES

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  • SOCIAL BEHAVIOUR IN PRIMATES
    • SOCIAL ORGANISATION
      • Stable family groups called troops
      • has hierarchy
        • one dominant male (silverback) number of females, and their offspring
          • dominant male protects others, leads in search of food and is the only one to mate with females
          • As younger ones reach sexual maturity they leave to live along until they atract females
    • ALLOGROOMING
      • all members pick parasites off each others fur
      • reinforcesrelationships between indiviuals
    • COMMUNICATION
      • Variety of calls, displays and grunts
        • signal danger
        • issue threats
        • play fighting
      • Facial expressions
    • EXTENDED CHILDHOOD
      • stay with mother first few months. starts to venture out after 6 months
      • plays with others at 2+
        • imitate adults to learn
      • 3-6: silverback protects and teaches
    • ADVANTAGES?
      • females only give birth to few
        • maternal care and group protection enhances survival
      • Young learn through imitation and play
        • learnt behaviour essential to survival
      • Knowledge and protection of food sources shared with group
      • greater ability to detect and deter predators if working together

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