The Comparative Approach 02 04 2014 Primate Characteristics Enlarged Brain Behavior plasticity Altricial young LEADS to social behavior Potential models for hominin behavior Foragers hunter gatherers o Australian aborigines KhoiSan o Problem Marginal environments o Chimps as models Share genes morphology ability to learn Problem Geographically and ecologically restricted o Other primates Baboons Papio Causes of primate social groupings Phylogeny Environment Recent history Food sleeping sites predator protection Types of Primate Social goupings Solitary but social o Nocturnal prosimians Galago Bush baby o Orangutans Pongo Multi male Multi female groups most common Pair bonds o Gibbons Hylobatinae o Marmoset Callithricinae One Male Groups o Colobus o Patas Monkey o Most common o Troop with dominant male o Found in Vervet monkeys Savanna baboons Diurnal lemurs Gorillas Most Cebids a time Fission Fusion Groups o Gelade baboons daily o Spider monkeys daily o Chimps seasonal Cooperative Polyandrous Group Rare o Tamarins callithricinae o Communal breeding only one reproductively active female at
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