L10SocialOrganization3per - 11/9/09 Social Organization...

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11/9/09 1 Social Organization Organizing our Groups Primate Social Organization • Recognize and respond to each other as individuals • Baboons, chimpanzees, bonobos, gorillas, gibbons all organize their groups differently • “family” extends beyond obvious biological relationships Basic Forms of Primate Social Organization 1. Single female + her offspring (orangutans, some nocturnal prosimians, humans) 2. Monogamous nuclear family group (gibbons, simiangs, tarsiers, humans) 3. Polyandrous family group (marmosets, tamarins, humans) 4. Polygynous family group (hamadryas baboons, howler monkeys, gorillas, humans) 5. Multimale-multifemale group (savanna baboons, macaques, some NW monkeys) 6. Fission-fusion society (chimpanzees)
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11/9/09 2 Chimpanzees Gombe Stream chimpanzees (Jane Goodall) Fission-fusion social group tends to separate (fission) and then periodically join (fusion) for feeding in rich areas Individuals, females and their offspring, or temporary groups (ex: harems, all-male groups) tend to form temporary associations for various reasons Non-Human Primate Social Organization • Much variety in the Order
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L10SocialOrganization3per - 11/9/09 Social Organization...

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