| Records |
| Author |
Wittig, R.M.; Crockford, C.; Wikberg, E.; Seyfarth, R.M.; Cheney, D.L. |
| Title |
Kin-mediated reconciliation substitutes for direct reconciliation in female baboons |
Type |
Journal Article |
| Year |
2007 |
Publication |
Proceedings. Biological sciences / The Royal Society |
Abbreviated Journal |
Proc Biol Sci |
| Volume |
274 |
Issue |
1613 |
Pages |
1109-1115 |
Keywords  |
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| Abstract |
It has been hypothesized that group-living mammals engage in reconciliation (post-conflict affiliation between former opponents) to reduce the disruptive costs of aggression and restore opponents' tolerance to baseline levels. Recipients of aggression are sometimes reluctant to tolerate the proximity of a recent opponent, however, in apparent fear that aggression will be renewed. In such cases, reconciliatory behaviour by the aggressor's close kin may substitute for direct reconciliation. We describe a playback experiment with free-ranging baboons (Papio hamadryas ursinus) that examines whether friendly behaviour by the aggressor's kin can substitute for direct reconciliation by the aggressor herself. In the test condition, female subjects who had recently been threatened heard the friendly grunt of one of their aggressor's relatives, mimicking kin-mediated vocal reconciliation. In the control condition, subjects heard the grunt of a dominant female from a different matriline. Subjects responded significantly more strongly in test than in control trials. Moreover, in the next hour they were significantly more likely to tolerate the proximity of both their aggressor and the relative whose grunt they had heard. In contrast, subjects' behaviour towards both control females and other members of their aggressor's matriline was unaffected. We conclude that kin-mediated vocal reconciliation can substitute for direct reconciliation in baboons. |
| Address |
Department of Biology, University of Pennsylvania, Philadelphia, PA 19104-6018, USA |
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English |
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| ISSN |
0962-8452 |
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| Notes |
PMID:17301022 |
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no |
| Call Number |
refbase @ user @ |
Serial |
342 |
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| Author |
Manser, M.B.; Seyfarth, R.M.; Cheney, D.L. |
| Title |
Suricate alarm calls signal predator class and urgency |
Type |
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| Year |
2002 |
Publication |
Trends in Cognitive Sciences |
Abbreviated Journal |
Trends. Cognit. Sci. |
| Volume |
6 |
Issue |
2 |
Pages |
55-57 |
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English |
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| ISSN |
1364-6613 |
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| Notes |
PMID:15866180 |
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no |
| Call Number |
refbase @ user @ |
Serial |
686 |
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| Author |
Cheney, D.L.; Seyfarth, R.M. |
| Title |
How Monkeys See the World |
Type |
Miscellaneous |
| Year |
1990 |
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no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
4866 |
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| Author |
Cheney, D.L.; Seyfarth, R.M. |
| Title |
Recognition of other individuals' social relationships by female baboons |
Type |
Journal Article |
| Year |
1999 |
Publication |
Animal Behaviour. |
Abbreviated Journal |
Anim. Behav. |
| Volume |
58 |
Issue |
1 |
Pages |
67-75 |
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| Abstract |
We describe a series of playback experiments designed to test whether free-ranging baboons, Papio cynocephalus ursinus, recognize the calls of other group members and also associate signallers with their close genetic relatives. Pairs of unrelated females were played sequences of calls that mimicked a fight between their relatives. As controls, the same females heard sequences that involved either (1) only the more dominant female's relative or (2) neither of the females' relatives. When call sequences involved their relatives, subjects looked towards the speaker for a longer duration than when the sequences involved nonkin. When the sequences involved the other female's relative, they also looked towards that female. Subjects did not look towards one another when call sequences involved nonkin. Dominant subjects were more likely to supplant their subordinate partners following playbacks of sequences that mimicked a dispute between their relatives than following the two control trials. In contrast, both subjects were more likely to approach one another and to interact in a friendly manner following the two control trials than following the test trial. Results indicate that female baboons recognize the screams and threat grunts not only of their own close relatives but also of unrelated individuals. They also replicate previous studies in suggesting that female monkeys recognize the close associates of other individuals and adjust their interactions with others according to recent events involving individuals other than themselves. Copyright 1999 The Association for the Study of Animal Behaviour. |
| Address |
Departments of Biology and Psychology, University of Pennsylvania |
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English |
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| ISSN |
0003-3472 |
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| Notes |
PMID:10413542 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
346 |
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| Author |
Cheney, D.L.; Seyfarth, R.M. |
| Title |
Reconciliatory grunts by dominant female baboons influence victims' behaviour |
Type |
Journal Article |
| Year |
1997 |
Publication |
Animal Behaviour. |
Abbreviated Journal |
Anim. Behav. |
| Volume |
54 |
Issue |
2 |
Pages |
409-418 |
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| Abstract |
Following aggressive interactions, dominant female baboons, Papio cynocephalus ursinusoccasionally grunt to their victims. To examine the effect of these apparently reconciliatory grunts on victims' subsequent behaviour, a series of playback experiments was designed to mimic reconciliation. Victims were played their opponents' grunts in the minutes immediately following a fight and then observed for half an hour. After hearing these grunts, victims approached their former opponents and also tolerated their opponents' approaches at significantly higher rates than they did under control conditions. They were also supplanted by their opponents at significantly lower rates. By contrast, playbacks of control females' grunts did not influence victims' behaviour. Playbacks of reconciliatory grunts did not increase the rate at which opponents approached or initiated friendly interactions with their former victims. Playbacks of reconciliatory grunts, therefore, appeared to influence victims', but not opponents', perception of recent events. |
| Address |
Departments of Biology and Psychology, University of Pennsylvania |
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English |
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0003-3472 |
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| Notes |
PMID:9268473 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
347 |
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| Author |
Seyfarth, R.M.; Cheney, D.L. |
| Title |
The Structure of Social Knowledge in Monkeys |
Type |
Book Chapter |
| Year |
2003 |
Publication |
Animal Social Complexity: Intelligence, Culture, and Individualized Societies |
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Pages |
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Harvard University Press |
Place of Publication |
Cambridge, Massachusetts |
Editor |
F. B. M. de Waal; P. L. Tyack |
| Language |
English |
Summary Language |
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Original Title |
Animal Social Complexity: Intelligence, Culture, and Individualized Societies |
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ISBN |
978-0674009295 |
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Approved |
no |
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refbase @ user @ |
Serial |
464 |
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| Author |
Rendall, D.; Seyfarth, R.M.; Cheney, D.L.; Owren, M.J. |
| Title |
The meaning and function of grunt variants in baboons |
Type |
Journal Article |
| Year |
1999 |
Publication |
Animal Behaviour. |
Abbreviated Journal |
Anim. Behav. |
| Volume |
57 |
Issue |
3 |
Pages |
583-592 |
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| Abstract |
Wild baboons Papio cynocephalus ursinus, give tonal, harmonically rich vocalizations, termed grunts, in at least two distinct, behavioural contexts: when about to embark on a move across an open area ('move' grunts); and when approaching mothers and attempting to inspect or handle their young infants ('infant' grunts). Grunts in these two contexts elicit different responses from receivers and appear to be acoustically distinct (Owren et al. 1997 Journal of the Acoustical Society of America101 2951-2963). Differences in responses to grunts in the two contexts may, then, be due to acoustic differences, reflecting at least a rudimentary capacity for referential signalling. Alternatively, responses may differ simply due to differences in the contexts in which the grunts are being produced. We conducted playback experiments to test between these hypotheses. Experiments were designed to control systematically the effects of both context and acoustic features so as to evaluate the role of each in determining responses to grunts. In playback trials, subjects differentiated between putative move and infant grunts. Their responses based only on the acoustic features of grunts were functionally distinct and mirrored their behaviour to naturally occurring move and infant grunts. However, subjects' responses were in some cases also affected by the context in which grunts were presented, and by an interaction between the context and the acoustic features of the grunts. Furthermore, responses to grunts were affected by the relative rank difference between the caller and the subject. These results indicate that baboon grunts can function in rudimentary referential fashion, but that the context in which grunts are produced and the social identity of callers can also affect recipients' responses. Copyright 1999 The Association for the Study of Animal Behaviour. |
| Address |
Departments of Psychology, University of Pennsylvania, Philadelphia, PA, 19104, U.S.A |
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Place of Publication |
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English |
Summary Language |
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0003-3472 |
ISBN |
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| Notes |
PMID:10196047 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
696 |
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| Author |
Palombit,R.A.; Seyfarth, R.M.; Cheney, D.L. |
| Title |
The adaptive value of 'friendships' to female baboons: experimental and observational evidence |
Type |
Journal Article |
| Year |
1997 |
Publication |
Animal Behaviour. |
Abbreviated Journal |
Anim. Behav. |
| Volume |
54 |
Issue |
3 |
Pages |
599-614 |
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| Abstract |
Lactating female baboons, Papio cynocephalusoften maintain close associations with particular males. There are at least three proposed benefits of 'friendships' to females: (1) male protection against potentially infanticidal males; (2) male protection against harassment by dominant females; (3) male attachment to an infant that develops into future care of juveniles. These hypotheses were examined in a population of chacma baboons, P. c. ursinusin which male infanticide accounted for at least 38% of infant mortality. Almost all mothers of young infants formed strong bonds with one or two males with whom they had copulated during the cycle in which they conceived their infants. Females were primarily responsible for maintaining friendships during lactation, but they terminated these relationships if their infants died. In playbacks of females' screams, male friends responded more strongly than control males. They also responded more strongly to the screams of female friends than to the screams of control females. Following an infant's death, however, male friends responded less strongly than control males to the same females' screams. Finally, male friends responded more strongly than control males to playback sequences in which female screams were combined with the threat vocalizations of a potentially infanticidal alpha male, but not when female screams were combined with the threat calls of a non-infanticidal male or the alpha female. Both observations and experiments suggest that the benefits of friendships to females derive from the protection of their infants against infanticide.1997The Association for the Study of Animal Behaviour |
| Address |
Department of Psychology, University of Pennsylvania |
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English |
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0003-3472 |
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| Notes |
PMID:9299045 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
697 |
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| Author |
Cheney, D.L.; Seyfarth, R.M |
| Title |
Social and non.social knowledge in vervet monkeys |
Type |
Book Chapter |
| Year |
1988 |
Publication |
Machiavellian Intelligence |
Abbreviated Journal |
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Issue |
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Pages |
255-270 |
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Oxford Univ Press |
Place of Publication |
Oxford |
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0-19-852175-8 |
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no |
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Equine Behaviour @ team @ Byrne+Whiten1988 |
Serial |
4787 |
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| Author |
Cheney, D.L.; Seyfarth, R.M. |
| Title |
The recognition of social alliances among vervet monkeys |
Type |
Journal Article |
| Year |
1986 |
Publication |
Animal Behaviour. |
Abbreviated Journal |
Anim. Behav. |
| Volume |
34 |
Issue |
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Pages |
1722-1731 |
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no |
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Equine Behaviour @ team @ |
Serial |
4864 |
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