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Author Nowak, M.A.; Sigmund, K.
Title Tit for tat in heterogeneous populations Type Journal Article
Year 1992 Publication Nature Abbreviated Journal Nature
Volume 355 Issue Pages 250-253
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Notes 10.1038/355250a0 Approved no
Call Number Equine Behaviour @ team @ Serial 4842
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Author Dugatkin, L.A.; Mesterton-Gibbons, M.; Houston, A.I.
Title Beyond the prisoner's dilemma: Toward models to discriminate among mechanisms of cooperation in nature Type Journal Article
Year 1992 Publication Trends Evol. Ecol. Abbreviated Journal
Volume 7 Issue Pages 202-205
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Abstract The iterated prisoner's dilemma game, or IPD, has now established itself as the orthodox paradigm for theoretical investigations of the evolution of cooperation; but its scope is restricted to reciprocity, which is only one of three categories of cooperation among unrelated individuals. Even within that category, a cooperative encounter has in general three phases, and the IPD has nothing to say about two of them. To distinguish among mechanisms of cooperation in nature, future theoretical work on the evolution of cooperation must distance itself from economics and develop games as a refinement of ethology's comparative approach.
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Notes 10.1016/0169-5347(92)90074-L Approved no
Call Number Equine Behaviour @ team @ Serial 4843
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Author Aureli, F.; Cossolino, R.; Cordischi, C.; Scucchi, S.
Title Kin-oriented redirection among Japanese macaques: an expression of a revenge system? Type Journal Article
Year 1992 Publication Animal Behaviour. Abbreviated Journal Anim. Behav.
Volume 44 Issue 2 Pages 283-291
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Abstract The ability to recognize the close associates of other group members may permit the display of redirected aggression against the relatives of the former aggressor. However, the dominance structure and the kin-based alliance system of macaque society are expected not to favour the occurrence of this kin-oriented redirection. Nevertheless, within 1 h of being the victim of an attack, Japanese macaques, Macaca fuscata, were more likely to attack the former aggressor's kin than without such a conflict. The conditions under which the victim redirected against the former aggressor's kin were investigated. This kin-oriented redirection did not occur preferentially either after conflicts between individuals with unstable and/or uncertain dominance relationships or after conflicts with individuals that were unlikely to intervene in favour of their kin. Victims redirected against individuals that were younger than the former aggressor and often subordinate to the victim. They also redirected in an opportunistic way by joining polyadic interactions against the former aggressor's kin. The possibility that this kin-oriented redirection may have a long-term function in changing the aggressive attitude of the aggressor towards the victim is also discussed. In addition, the victim's kin also displayed a form of kin-oriented redirection. They were more likely to attack the kin of an individual after it had attacked their own kin.
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Notes 10.1016/0003-3472(92)90034-7 Approved no
Call Number Equine Behaviour @ team @ Serial 4867
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Author de Waal, F. B. M.
Title Coalitions as part of reciprocal relations in the Arnhem chimpanzee colony Type Book Chapter
Year 1992 Publication Coalitions and Alliances in Humans and Other Animals Abbreviated Journal
Volume Issue Pages 233-257
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Publisher Oxford University Press Place of Publication Oxford Editor Harcourt, A.H.; de Waal, F.B.M.
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Notes Approved no
Call Number Equine Behaviour @ team @ Serial 4877
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Author Manson, J.H.
Title Measuring female mate choice in Cayo Santiago rhesus macaques Type Journal Article
Year 1992 Publication Animal Behaviour. Abbreviated Journal Anim. Behav.
Volume 44 Issue Pages 405-416
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Abstract Few studies of female mate choice have been carried out among free-ranging non-human primates. To qualify as female mate choice, behaviour by oestrous females must predict the occurrence or rate of potentially fertile copulations, in comparisons between heterosexual dyads. In this paper, data are presented to show three behaviour patterns that meet this criterion in free-ranging rhesus macaques, Macaca mulatta, at the island colony of Cayo Santiago: (1) selective cooperation with male sexual solicitations (hip-grasps), (2) restoration of proximity following attacks on females by intruding males, and (3) proximity maintenance (in one of two study groups). Oestrous females maintained proximity preferentially to lower ranking males, but this appeared to reflect differences in the tactics necessary to achieve copulations with males of different dominance ranks, rather than preference for lower ranking mates. Male-oestrous female dyads showed consistency over two consecutive mating seasons in which partner was responsible for proximity maintenance. Male dominance rank was positively correlated with copulatory rate with fertile females. However, in one study group, males to whom oestrous females maintained proximity more actively had higher copulatory rates with fertile females, independent of the effects of male dominance rank.
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Notes 10.1016/0003-3472(92)90051-A Approved no
Call Number Equine Behaviour @ team @ Serial 4889
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Author Boyd, R.; Richerson, P.J.
Title Punishment allows the evolution of cooperation (or anything else) in sizable groups Type Journal Article
Year 1992 Publication Ethol. Sociobiol. Abbreviated Journal
Volume 13 Issue Pages 171-195
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Abstract Existing models suggest that reciprocity is unlikely to evolve in large groups as a result of natural selection. In these models, reciprocators punish noncooperation by with-holding future cooperation, and thus also penalize other cooperators in the group. Here, we analyze a model in which the response is some form of punishment that is directed solely at noncooperators. We refer to such alternative forms of punishment as retribution. We show that cooperation enforced by retribution can lead to the evolution of cooperation in two qualitatively different ways. (1) If benefits of cooperation to an individual are greater than the costs to a single individual of coercing the other n − 1 individuals to cooperate, then strategies which cooperate and punish noncooperators, strategies which cooperate only if punished, and, sometimes, strategies which cooperate but do not punish will coexist in the long run. (2) If the costs of being punished are large enough, moralistic strategies which cooperate, punish noncooperators, and punish those who do not punish noncooperators can be evolutionarily stable. We also show, however, that moralistic strategies can cause any individually costly behavior to be evolutionarily stable, whether or not it creates a group benefit.
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Notes 10.1016/0162-3095(92)90032-Y Approved no
Call Number Equine Behaviour @ team @ Serial 4913
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Author Reeve, H.K.
Title Queen activation of lazy workers in colonies of the eusocial naked mole-rat Type Journal Article
Year 1992 Publication Nature Abbreviated Journal Nature
Volume 358 Issue Pages 147-149
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Notes 10.1038/358147a0 Approved no
Call Number Equine Behaviour @ team @ Serial 4921
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Author Ehardt, C.L.; Bernstein, I.S.
Title Conflict intervention behaviour by adult male macaques: structural and functional aspects Type Book Chapter
Year 1992 Publication Coalitions and Alliances in Humans and Other Animals Abbreviated Journal
Volume Issue Pages 83-111
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Publisher Oxford University Press Place of Publication Oxford Editor Harcourt, A.H.; de Waal, F.B.M.
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Notes Approved no
Call Number Equine Behaviour @ team @ Serial 4926
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Author Schneider, K.
Title Emotionen Type Book Chapter
Year 1992 Publication Allgemeine Psychologie Abbreviated Journal
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Publisher Verlag Hans Huber Place of Publication Bern Editor Spada Hans
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ISSN ISBN 3456823029 Medium
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Notes Approved no
Call Number Equine Behaviour @ team @ Serial 5070
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Author Lamprecht, J.
Title Variable Leadership in Bar-Headed Geese (Anser Indicus) : an Analysis of Pair and Family Departures Type Journal Article
Year 1992 Publication Behaviour Abbreviated Journal Behaviour
Volume 122 Issue 1-2 Pages 105-119
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Abstract This paper reports quantitative leadership differences in semi-captive bar-headed geese (Anser indicus) at different times of the year, and in different types of groups. Leading is defined here as causing the departure or determining the direction of movement of the whole group. No permanent and exclusive leader of a pair or family group was found, rather relative leading frequencies of male, female and young showed a definite shifting pattern. Females led more often than their mates prior to breeding, and on nest pauses during the incubation period, but less often in summer, autumn and early winter. In families there was no difference between the frequencies of male and female leading. Family females led relatively more often than those of pairs without offspring. This difference was related to the presence, not the number, of young. Goslings led the family about as often as the parents during the rearing period in early summer, less often in autumn, winter and next spring. Such differences and changes are to be expected where competence in particular tasks and dependence on partners vary between group members, and where different situations require different abilities. For the geese, the results can be related to the different options of group members and to the different benefits they derive from leaving (or 'staying put') or following (or waiting for the others) in different situations.
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Notes Approved no
Call Number Equine Behaviour @ team @ Serial 5128
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