ANTHRO 1 Lecture Notes - Lecture 9: Bornean Orangutan, Gular Skin, Knuckle-Walking
9 Mar 2018
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Smaller than other apes, frugivorous, monogamous (little sexual dimor. Pairs sing a daily duet to announce their occupancy of a territory, each. Gibbons can walk bipedally for a while ii. No physical aggression, but they are territorial iii. Concave face imorphism and joint territory defense), brachiators ach sex drives off others of the same sex. Changes with age and body size: a) b) Adult males spend most of their time on the ground. Male defends territory that includes several female territories. Folivorous; large undefined feeding territories, large digestive systems, molars with. Occasional bipedalism in childhood; juveniles and adult females = arboreal and terr. Single-male polygyny; high sexual dimorphism; female defense and female abducti. Males stay in natal, so cooperating males are relatives g. h. Females mate with multiple males with shearing crests, very large mandibles terrestrial; adult terrestrial knuckle-walking uction sometimes. Fertility is identified by swelled pink butt j. Products of hunt shared with females and young.
