Evolution And History

77 CHAPTER 4 Primate Behavior Chapter Preview What Determines the Behavior of Nonhuman Primates? Diet, type of social organizati ...

78 CHAPTER 4 | Primate Behavior In October 1960, the young Jane Goodall sent word back to her mentor, paleoanthropologist Louis ...

Primate Social Organization 79 For example, gibbons live in small nuclear family units consisting of a pair of bonded adults and ...

80 CHAPTER 4 | Primate Behavior of food. Ranges often change seasonally, and the number of miles traveled by a group in a day va ...

Primate Social Organization 81 on domination through superior size and strength. Male dominance hierarchies seemed “natural” to ...

82 CHAPTER 4 | Primate Behavior low-ranking females, and groups of females form alliances in which they may cooperatively attack ...

Primate Social Organization 83 Individual Interaction and Bonding The social sophistication characteristic of primates is evi- d ...

84 CHAPTER 4 | Primate Behavior frequent sexual activity—initiated by either the male or the female—occurs during estrus, the pe ...

Primate Social Organization 85 to face from a branch and rubbing their erect penises to- gether as if crossing swords. Among fem ...

86 CHAPTER 4 | Primate Behavior Biocultural Connection Disturbing Behaviors of the Orangutan by Anne Nacey Maggioncalda and Robe ...

Primate Social Organization 87 risk of serious conflict with adult males. But the strategy of these arrested ado- lescents has a ...

88 CHAPTER 4 | Primate Behavior each of their young for about four to five years. After her infant is weaned, she will come into ...

Communication and Learning 89 games, such as jostling for position on the top of a hill- side or following and mimicking a singl ...

90 CHAPTER 4 | Primate Behavior of trails or where downed trees obscure the path, will de- liberately stomp down the vegetation ...

Communication and Learning 91 they cannot literally speak, it is now clear that all of the great ape species can develop languag ...

92 CHAPTER 4 | Primate Behavior zoo of Madrid, Spain. It began when a 5-year-old female rubbed apples against a sharp corner of ...

Communication and Learning 93 Chimpanzees also use plants for medicinal purposes, illustrating their selectivity with raw materi ...

94 CHAPTER 4 | Primate Behavior Annually, chimpanzee hunting parties at Gombe kill about 20 percent of these monkeys, many of th ...

The Question of Culture 95 cell repositories have been established for researchers to obtain samples of primate DNA. Other biome ...

96 CHAPTER 4 | Primate Behavior living primates, like the contemporary study of genetics, provide valuable insight into our unde ...