| Records |
Author  |
Horrocks, J.A.; Hunte, W. |
| Title |
Rank Relations in Vervet Sisters: A Critique of the Role of Reproductive Value |
Type |
Journal Article |
| Year |
1983 |
Publication |
The American Naturalist |
Abbreviated Journal |
Am. Nat. |
| Volume |
122 |
Issue |
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Pages |
417-421 |
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| Notes |
10.1086/284144 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
4903 |
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| Author |
Hunte, W.; Horrocks, J.A. |
| Title |
Kin and non-kin interventions in the aggressive disputes of vervet monkeys |
Type |
Journal Article |
| Year |
1987 |
Publication |
Behav. Ecol. Sociobiol. |
Abbreviated Journal |
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| Volume |
20 |
Issue |
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Pages |
257-263 |
| Keywords |
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| Abstract |
Interventions in aggressive disputes were investigated in a free-living troop of vervets (Cercopithecus aethiops sabaeus) in Barbados. Interventions on behalf of kin were more frequent than on behalf of non-kin. Both types of interventions were more likely when the intervening animal outranked the opponent; presumably because retaliation probability, and hence cost of intervening, is low against low ranking opponents. The number of interventions given on behalf of both kin and non-kin increased with the number of disputes in which they were involved. In contrast to kin interventions, the number of interventions given on behalf of non-kin was correlated with that received by non-kin, suggesting that reciprocation is a necessary component of non-kin interventions. Non-kin interventions were more likely when the recipient outranked the opponent, presumably because reciprocation probability is high. Pairs of non-kin form structured reciprocal relationships based on the proportion of interventions allocated to each other, and most non-kin interventions flowed through these relationships. Males intervened on behalf of non-kin more frequently than did females. The implications of the results for the evolution of kin and reciprocal altruism were discussed. |
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| Notes |
10.1007/Bf00292178 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
4927 |
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