ANTHR 101 Lecture Notes - Lecture 15: Cebidae, Ape, Gibbon
Document Summary
Gorillas are the only primates that sleep on the ground. Almost all primates sleep in the safety of trees or on cliffs if there are no trees around. Nocturnal species tend to forage alone or 2-3. Polygyny: one male polygyny, multimale polygyny, fission fussion polygyny. Based on adult female and her offspring. Males don"t really take care of the baby. One adult male, one adult female and immature offspring. Monogamy: vocal duetting, paternal care/ mate assurance, males know for sure it"s theirs so they help a lot, territoriality, no (~) sexual dimorphism. Males: when males help out we don"t understand because they should find another female to be more reproductively fit. Many adult males and females and their offspring. Enlarged testes- sperm competition: sperm amount depicts whose offspring it is, baboons. Temporary associations of individuals come together and split up repeatedly.
