ATH 352-01

primate diversity

  • ecological
    • food distribution
  • phylogenetic
    • interspecific variation
  • more diversity
    • instraspecific variation
  • types of family/mating organization
    • solitary: 1 male visits multiple females in their own ranges
    • monogamy:  male-female bonded pairs
    • polygyny1: 1 male, multiple females in his range
    • polygyny2: everybody screws everybody
    • polyandry: 1 female, multiple males

Solitary male

  • Orangutan
    • roaming male
    • separate females with young
    • adult male intolerance
    • males transfer

monogamy (open relationship)

  • 1M/1F – gibbon
    • several young of different ages
    • both sexes intolerant
    • co-dominance (low sexual dimorphism)
    • young males & females evicted

uni-male group

  • one male multiple females: gorilla
    • silverback: intolerance
    • permanent group (age-graded)
    • several young
    • separate all-male groups & solitaries
    • males and females transfer

fission-fusion community

  • multi-male multi-female: chimp, bonobo
    • tolerance
    • dynamic group structure
    • fission along matriline
    • females transfer

multi-tiered society

  • many levels: baboons
    • one male units (OMU)
    • clans (related males)
    • bands – several OMU & single males
    • troops/herds
    • males & females transfer

polyandrous society

  • 1F/multi-M
  • marmosets
    • fraternal polyandry
    • cooperative care of young

mother-infant unit

  • matrifocality
    • central organizing principle
    • siblings focus on mother
    • matrilineal dynasties (Flo, Fifi)
  • males usually loosely affiliated

Primate social behaviors: affiliation & agonism

  • affiliation: grooming
    • importance of touch
    • solicitation for grooming
  • affiliation: play
    • play = learning
      • physical environment
      • social environment
      • sex differences
        • zoo gorilla infants & juveniles
        • males preferred playmates
        • males play > females play
    • play face, laughter

affiliation: sex

  • estrus
    • pheromones
    • genital swelling
  • copulation
    • present, mount
  • female choice
    • forced copulation (orang)
  • consortship
  • bonobo sex
Advertisements
Both comments and trackbacks are currently closed.