Publication: Selfish sentinels in cooperative mammals.
Selfish sentinels in cooperative mammals.
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Clutton-Brock, T. H., O’Riain, M. J., Brotherton, P. N., Gaynor, D., Kansky, R., Griffin, A. S., & Manser, M. (1999). Selfish sentinels in cooperative mammals. Science, 284(5420), 1640–1644. https://doi.org/10.1126/science.284.5420.1640
Abstract
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Like humans engaged in risky activities, group members of some animal societies take turns acting as sentinels. Explanations of the evolution of sentinel behavior have frequently relied on kin selection or reciprocal altruism, but recent models suggest that guarding may be an individual's optimal activity once its stomach is full if no other animal is on guard. This paper provides support for this last explanation by showing that, in groups of meerkats (Suricata suricatta), animals guard from safe sites, and solitary individuals as we
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- Clutton-Brock, T H
- O'Riain, M J
- Gaynor, D
- Kansky, R
- Griffin, A S
- Manser, M
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Clutton-Brock, T. H., O’Riain, M. J., Brotherton, P. N., Gaynor, D., Kansky, R., Griffin, A. S., & Manser, M. (1999). Selfish sentinels in cooperative mammals. Science, 284(5420), 1640–1644. https://doi.org/10.1126/science.284.5420.1640