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Evolution and Development of Sex Differences in Cooperative Behavior in Meerkats.

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Title: Evolution and Development of Sex Differences in Cooperative Behavior in Meerkats.
Authors: Clutton-Brockf, T.H., Russell, A.F., Sharpe, L.L., Young, A.J., Balmforth, Z., McIlrath, G.M.
Source: Science (pre-March 2025). 7/12/2002, Vol. 297 Issue 5579, p253-256. 4p. 4 Graphs.
Subjects: Meerkat, Behaviorism (Psychology), Animal behavior
Abstract: In cooperatively breeding birds, where helpers of both sexes assist with the provisioning and upbringing of offspring who are not their own, males tend to contribute more than females to rearing young. This sex difference has been attributed to paternity uncertainty, but could also occur because males contribute more where they are likely to remain and breed in their group of origin. In contrast to most birds, female meerkats (Suricata suricatta) are more likely to breed in their natal group than males. We show that female meerkat helpers contribute more to rearing young than males and that female helpers feed female pups more frequently generated by sex differences in philopatry and occur because females derive greater direct benefits than males from raising recruits to their natal group. These findings support the view that direct, mutualistic benefits are important in the evolution of specialized cooperative behavior. [ABSTRACT FROM AUTHOR]
Copyright of Science (pre-March 2025) is the property of American Association for the Advancement of Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
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  Data: Evolution and Development of Sex Differences in Cooperative Behavior in Meerkats.
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  Data: <searchLink fieldCode="AR" term="%22Clutton-Brockf%2C+T%2EH%2E%22">Clutton-Brockf, T.H.</searchLink><br /><searchLink fieldCode="AR" term="%22Russell%2C+A%2EF%2E%22">Russell, A.F.</searchLink><br /><searchLink fieldCode="AR" term="%22Sharpe%2C+L%2EL%2E%22">Sharpe, L.L.</searchLink><br /><searchLink fieldCode="AR" term="%22Young%2C+A%2EJ%2E%22">Young, A.J.</searchLink><br /><searchLink fieldCode="AR" term="%22Balmforth%2C+Z%2E%22">Balmforth, Z.</searchLink><br /><searchLink fieldCode="AR" term="%22McIlrath%2C+G%2EM%2E%22">McIlrath, G.M.</searchLink>
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  Data: <searchLink fieldCode="JN" term="%22Science+%28pre-March+2025%29%22">Science (pre-March 2025)</searchLink>. 7/12/2002, Vol. 297 Issue 5579, p253-256. 4p. 4 Graphs.
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  Data: <searchLink fieldCode="DE" term="%22Meerkat%22">Meerkat</searchLink><br /><searchLink fieldCode="DE" term="%22Behaviorism+%28Psychology%29%22">Behaviorism (Psychology)</searchLink><br /><searchLink fieldCode="DE" term="%22Animal+behavior%22">Animal behavior</searchLink>
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  Data: In cooperatively breeding birds, where helpers of both sexes assist with the provisioning and upbringing of offspring who are not their own, males tend to contribute more than females to rearing young. This sex difference has been attributed to paternity uncertainty, but could also occur because males contribute more where they are likely to remain and breed in their group of origin. In contrast to most birds, female meerkats (Suricata suricatta) are more likely to breed in their natal group than males. We show that female meerkat helpers contribute more to rearing young than males and that female helpers feed female pups more frequently generated by sex differences in philopatry and occur because females derive greater direct benefits than males from raising recruits to their natal group. These findings support the view that direct, mutualistic benefits are important in the evolution of specialized cooperative behavior. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Science (pre-March 2025) is the property of American Association for the Advancement of Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Text: English
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              Text: 7/12/2002
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