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Multi-level society

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Full-Text Articles in Biological and Physical Anthropology

Affiliation Among Females In Wild Hamadryas Baboons (Papio Hamadryas Hamadryas), Larissa Swedell Jan 2002

Affiliation Among Females In Wild Hamadryas Baboons (Papio Hamadryas Hamadryas), Larissa Swedell

Publications and Research

Previous studies of hamadryas baboons have described a “star-shaped” sociogram, whereby the strongest social bonds within hamadryas one-male units are those between a leader male and his females and bonds among females are weak by comparison. This type of social organization has also been called “cross bonding” to distinguish it from the “female bonding” found in most papionin monkeys. Models of female primate socioecology have suggested that hamadryas baboons lack female bonding due to their reliance on scarce, widely-dispersed food resources. Here I report observational data from a wild population of hamadryas baboons in Ethiopia indicating that, while females varied …

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Ranging Behavior, Group Size, And Behavioral Flexibility In Ethiopian Hamadryas Baboons (Papio Hamadryas Hamadryas)., Larissa Swedell Jan 2002

Ranging Behavior, Group Size, And Behavioral Flexibility In Ethiopian Hamadryas Baboons (Papio Hamadryas Hamadryas)., Larissa Swedell

Publications and Research

This study reports group size, home range size, daily path lengths, seasonal effects on ranging behavior and qualitative information on diet for a population of hamadryas baboons inhabiting the lowlands of the northern Rift Valley in central Ethiopia. The minimum home range size and daily path length for this population are similar to those reported for other populations of hamadryas baboons in Ethiopia and Saudi Arabia. Group sizes, however, are much larger than those in most other hamadryas populations for which published data are available. The large group sizes in this area may be related to the abundance of one …

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