Optimal group size in a highly social mammal | PNAS thumbnail
Optimal group size in a highly social mammal | PNAS
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benefits of aggregation—including decreased predation risk, facilitation of cooperative infant care, increased probability of winning intergroup competition, and information sharing—exceed the costs of maintaining close proximity with conspecifics (3–6). costs are primarily derived from intragroup c
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  • benefits of aggregation—including decreased predation risk, facilitation of cooperative infant care, increased probability of winning intergroup competition, and information sharing—exceed the costs of maintaining close proximity with conspecifics (3–6).
  • costs are primarily derived from intragroup competition for limited resources, such as food and reproductive opportunities, and increased probability of disease transmission (5).

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