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Dryad

Data from: Optimal group size in a highly social mammal

Cite this dataset

Markham, A. Catherine; Gesquiere, Laurence R.; Alberts, Susan C.; Altmann, Jeanne (2015). Data from: Optimal group size in a highly social mammal [Dataset]. Dryad. https://doi.org/10.5061/dryad.nh597

Abstract

What are the costs and benefits for animals living in groups of different sizes? Balancing the trade-offs between within-group competition (which favors smaller groups) and between-group competition (which favors larger groups) suggests that intermediate-sized groups may be best, yet empirical support for this prediction has largely been lacking. Using long-term data on wild baboons, we provide novel evidence that individuals living in intermediate-sized groups have energetically optimal space-use strategies and lower glucocorticoid (stress hormone) concentrations than individuals in either large or small groups. Our results offer new insight into the costs and benefits of group living.

Usage notes

Location

Amboseli Basin
Kenya