ANTH 102 Chapter 15: Home Ranges

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11 May 2018

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Anth 102

Introduction to Human

Origins.

5/10/18

Spring 2018

Home Ranges

A. Home range

- Primates usually move within a circumscribed area

- Varies in size depending on the group and ecological factors

- Like food availability

- Ranges often change seasonably

- Number of miles traveled daily varies by group

- Core areas- use more often

- Typically contain water food resting places and sleeping trees

- Ranges of different groups may overlap

- Bonobos where 65% of one community may overlap with another

- Chimps are almost singly occupied and will defend from intrusion.

B. Gorillas do not defend their home range

- Against own kind

- But will defend group if threatened

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