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| Author | Clutton-Brock, T.H.; Greenwood, P.J.; Powell, R.P. | ||||
| Title | Ranks and relationships in Highland ponies and Highland Cows | Type | Journal Article | ||
| Year | 1976 | Publication | Zeitschrift für Tierpsychologie | Abbreviated Journal | Z. Tierpsychol. |
| Volume | 41 | Issue | 2 | Pages | 202-216 |
| Keywords | Agonistic Behavior; Animals; *Cattle; Female; Grooming; *Horses; Male; *Social Dominance; Spatial Behavior | ||||
| Abstract | Recent studies of primates have questioned the importance of dominance hierarchies in groups living under natural conditions. In a herd of Highland ponies and one of Highland cattle grazing under free-range conditions on the Isle of Rhum (Inner Hebrides) well defined hierarchies were present. The provision of food produced a marked increase in the frequency of agonistic interactions but had no effect on the rank systems of the two herds. While rank was clearly important in affecting the distribution of agonistic interactions, it was poorly related to behaviour in non-agonistic situations. | ||||
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| Language | English | Summary Language | Original Title | ||
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| Series Volume | Series Issue | Edition | |||
| ISSN | 0044-3573 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | PMID:961125 | Approved | no | ||
| Call Number | refbase @ user @ | Serial | 661 | ||
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| Author | Mori, U. | ||||
| Title | Ecological and sociological studies of gelada baboons. Individual relationships within a unit | Type | Journal Article | ||
| Year | 1979 | Publication | Contributions to Primatology | Abbreviated Journal | Contrib Primatol |
| Volume | 16 | Issue | Pages | 93-124 | |
| Keywords | Animals; Female; Grooming; *Haplorhini; *Leadership; Male; Paternal Behavior; *Social Behavior; *Theropithecus | ||||
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| Language | English | Summary Language | Original Title | ||
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| Series Volume | Series Issue | Edition | |||
| ISSN | 0301-4231 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | PMID:101345 | Approved | no | ||
| Call Number | Serial | 2046 | |||
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| Author | Saayman, G.S. | ||||
| Title | Behaviour of the adult males in a troop of free-ranging Chacma baboons (Papio ursinus) | Type | Journal Article | ||
| Year | 1971 | Publication | Folia Primatologica; International Journal of Primatology | Abbreviated Journal | Folia Primatol (Basel) |
| Volume | 15 | Issue | 1 | Pages | 36-57 |
| Keywords | Aggression; Animals; *Behavior, Animal; Female; Grooming; *Haplorhini; Homing Behavior; Humans; Leadership; Male; Papio; Pregnancy; Sex Factors; *Sexual Behavior, Animal; Social Dominance | ||||
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| Language | English | Summary Language | Original Title | ||
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| Series Volume | Series Issue | Edition | |||
| ISSN | 0015-5713 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | PMID:5003339 | Approved | no | ||
| Call Number | Serial | 2053 | |||
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| Author | Wolter, R.; Krueger, K. | ||||
| Title | The analysis of social bonds in feral horses | Type | Conference Article | ||
| Year | 2015 | Publication | Proceedings of the 3. International Equine Science Meeting | Abbreviated Journal | Proc. 3. Int. Equine. Sci. Mtg |
| Volume | Issue | Pages | |||
| Keywords | social bonds, grooming, nearest neighborhood, rank | ||||
| Abstract | In many social mammals, individuals preferentially affiliate with a small subset of available partners instead of distributing their social behaviors equally among all group members. The resulting social bonds have been investigated in several mammalian taxa, especially in primate societies, but also in other taxa such as birds, dolphins, rodents and ungulates. In feral horses, a great number of studies on social bonds can be found, but with a huge variety between methods for the analysis. There seems to be a lack of a clear and common definition of social bonds in horses and of comparable analyses. For example, there are irregularities between the studies regarding the research designs, the selection of recording methods and the interpretation of the measurements. Mutual grooming is used most often for the analysis of social relationships in many species. As mutual grooming is rare in horses, especially measurements of spatial proximity are commonly used for the analysis of social bonds in addition to other behavioral patterns. However, the combination of mutual grooming and nearest neighborhood analyses for the analysis of social bond is debatable, as in contrast to mutual grooming, which must occur deliberately by both grooming partners, the spatial distribution can be influenced by one partner alone, which may even force the other horse to keep a certain distance or to stay in close proximity. In this study, we investigated the comparability of mutual grooming and nearest neighborhood data for social bond analyses in feral horses. Therefore, we observed five groups of semi-wild living Przewalski’s horses and six groups of feral horses. We analysed the horses’ social ranks by applying an Average Dominance Index, we recorded the distances between the animals and observed the number of mutual grooming events as well as friendly approaches. Our results show that there was only a weak correlation between the frequency of staying in nearest neighborhood and mutual grooming in all observed horse groups. In contrast to this, the correlation between the number of friendly approaches and mutual grooming events was higher in most groups. Hierarchies did not affect social bonds, as mutual grooming was similarly induced by higher and lower ranking animals and the social rank did not affect the choice of the grooming partner. Similarly, likelihoods of staying in the neighborhood of particular animals were not affected by the animals’ social rank. The grooming frequencies differed between the different horse groups and between the individual horses living in the particular groups. They seem to be effected by individual predisposition. Altogether we suggest that the ratio of mutual grooming seems to be a better indicator for social bonds in feral horses than the frequency of staying in the nearest neighborhood. Mutual grooming occurs deliberately and is bidirectional, whereas nearest neighborhoods could be enforced and unidirectional. For the calculation of social bonds in horses, we consider it to be more reliable to combine the frequency of mutual grooming with the frequency of friendly approaches. |
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| Corporate Author | Wolter, R. | Thesis | |||
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| ISSN | ISBN | 978-3-95625-000-2 | Medium | ||
| Area | Expedition | Conference | |||
| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 5882 | ||
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| Author | Sinha, A. | ||||
| Title | Knowledge acquired and decisions made: triadic interactions during allogrooming in wild bonnet macaques, Macaca radiata | Type | Journal Article | ||
| Year | 1998 | Publication | Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences | Abbreviated Journal | Philos Trans R Soc Lond B Biol Sci |
| Volume | 353 | Issue | 1368 | Pages | 619-631 |
| Keywords | Aggression; Animals; Cognition; Computer Simulation; Decision Making; Evolution; Female; Grooming; Logistic Models; Macaca radiata/*psychology; *Social Behavior; Social Dominance | ||||
| Abstract | The pressures of developing and maintaining intricate social relationships may have led to the evolution of enhanced cognitive abilities in many nonhuman primates. Knowledge of the dominance ranks and social relationships of other individuals, in particular, is important in evaluating one's position in the rank hierarchy and affiliative networks. Triadic interactions offer an excellent opportunity to examine whether decisions are taken by individuals on the basis of such knowledge. Allogrooming supplants among wild female bonnet macaques (macaca radiata) usually involved the subordinate female of a grooming dyad retreating at the approach of a female dominant to both members of the dyad. In a few exceptional cases, however, the dominant member of the dyad retreated; simple non-cognitive hypotheses involving dyadic rank differences and agonistic relationships failed to explain this phenomenon. Instead, retreat by the dominant individual was positively correlated with the social attractiveness of her subordinate companion (as measured by the duration of grooming received by the latter from other females in the troop). This suggests that not only does an individual evaluate relationships among other females, but does so on the basis of the amount of grooming received by them. Similarly, the frequency of approaches received by any female was correlated with her social attractiveness when she was the dominant member of the dyad, but not when she was the subordinate. This indicated that approaching females might be aware of the relative dominance ranks of the two allogrooming individuals. In logistic regression analyses, the probability of any individual retreating was found to be influenced more by her knowledge of her rank difference with both the other interactants, rather than by their absolute ranks. Moreover, information about social attractiveness appeared to be used in terms of correlated dominance ranks. The nature of knowledge acquired by bonnet macaque females may thus be egotistical in that other individuals are evaluated relative to oneself, integrative in that information about all other interactants is used simultaneously, and hierarchical in the ability to preferentially use certain categories of knowledge for the storage of related information from other domains. | ||||
| Address | National Centre for Biological Sciences, TIFR Centre, Bangalore, India | ||||
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| Language | English | Summary Language | Original Title | ||
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| Series Volume | Series Issue | Edition | |||
| ISSN | 0962-8436 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | PMID:9602536 | Approved | no | ||
| Call Number | Equine Behaviour @ team @ | Serial | 4362 | ||
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| Author | Bonnie, K.E.; de Waal, F.B.M. | ||||
| Title | Affiliation promotes the transmission of a social custom: handclasp grooming among captive chimpanzees | Type | Journal Article | ||
| Year | 2006 | Publication | Primates | Abbreviated Journal | Primates |
| Volume | 47 | Issue | 1 | Pages | 27-34 |
| Keywords | Animals; Animals, Zoo/*physiology; Behavior, Animal/*physiology; *Cultural Evolution; Grooming/*physiology; Observation; Pan troglodytes/*physiology; *Social Behavior | ||||
| Abstract | Handclasp grooming is a unique social custom, known to occur regularly among some, but not all populations of chimpanzees (Pan troglodytes). As with other cultural behaviors, it is assumed that this distinctive grooming posture is learned socially by one individual from another. However, statistical comparisons among factors thought to influence how a behavior spreads within a group have never, to our knowledge, been conducted. In the present study, the origination and spread of handclasp grooming in a group of captive chimpanzees was followed throughout more than 1,500 h of observation over a period of 12 years. We report on the frequency, bout duration, and number and demography of performers throughout the study period, and compare these findings to those reported for wild populations. We predicted that dyads with strong affiliative ties, measured by time spent in proximity to and grooming one another, were likely to develop a handclasp grooming partnership during the study period. A quadratic assignment procedure was used to compare correlations among observed frequencies of grooming and proximity with handclasp grooming in all possible dyads within the group. As predicted, the formation of new handclasp grooming dyads was positively correlated with the rate of overall grooming and proximity within a dyad. In addition, in nearly all dyads formed, at least one individual had been previously observed to handclasp groom. We concluded that affiliation and individual experience determines the transmission of handclasp grooming among captive chimpanzees. | ||||
| Address | Department of Psychology, Emory University, and Living Links Center, Yerkes National Primate Research Center, GA 30329, USA. kebonni@emory.edu | ||||
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| Language | English | Summary Language | Original Title | ||
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| Series Volume | Series Issue | Edition | |||
| ISSN | 0032-8332 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | PMID:16142425 | Approved | no | ||
| Call Number | refbase @ user @ | Serial | 161 | ||
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| Author | Assersohn, C.; Whiten, A.; Kiwede, Z.T.; Tinka, J.; Karamagi, J. | ||||
| Title | Use of leaves to inspect ectoparasites in wild chimpanzees: a third cultural variant? | Type | Journal Article | ||
| Year | 2004 | Publication | Primates | Abbreviated Journal | Primates |
| Volume | 45 | Issue | 4 | Pages | 255-258 |
| Keywords | Animals; Animals, Wild/physiology; Ape Diseases/*parasitology; Behavior, Animal/*physiology; Ectoparasitic Infestations/parasitology/*veterinary; Female; Grooming/*physiology; Male; Pan troglodytes/*physiology; *Plant Leaves; Protozoa/*isolation & purification; Uganda | ||||
| Abstract | We report 26 cases of using leaves as tools with which wild chimpanzees (Pan troglodytes schweinfurthii) in the Sonso community, Budongo Forest, Uganda, appeared to inspect objects removed during grooming. Careful removal of potential ectoparasites and delicate lip or manual placement on leaves followed by intense visual examination characterised this behaviour. It appears to be done to judge whether either ingestion or discarding is most appropriate, the former occurring in most cases. This behaviour may represent a third variant of ectoparasite handling, different from those described at Tai and Gombe, yet sharing features with the latter. These two East African techniques may thus have evolved from leaf grooming. | ||||
| Address | Scottish Primate Research Group, School of Psychology, University of St Andrews, St Andrews, KY16 9JU, Fife, UK | ||||
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| Language | English | Summary Language | Original Title | ||
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| Series Volume | Series Issue | Edition | |||
| ISSN | 0032-8332 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | PMID:15179558 | Approved | no | ||
| Call Number | refbase @ user @ | Serial | 733 | ||
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| Author | de Waal, F.B.M. | ||||
| Title | Darwin's legacy and the study of primate visual communication | Type | Journal Article | ||
| Year | 2003 | Publication | Annals of the New York Academy of Sciences | Abbreviated Journal | Ann N Y Acad Sci |
| Volume | 1000 | Issue | Pages | 7-31 | |
| Keywords | Affect; Aggression/psychology; Animals; Culture; *Evolution; *Facial Expression; Gestures; Grooming; Humans; Laughter; *Nonverbal Communication; Primates/*physiology; Smiling; *Visual Perception | ||||
| Abstract | After Charles Darwin's The Expression of the Emotions in Man and Animals, published in 1872, we had to wait 60 years before the theme of animal expressions was picked up by another astute observer. In 1935, Nadezhda Ladygina-Kohts published a detailed comparison of the expressive behavior of a juvenile chimpanzee and of her own child. After Kohts, we had to wait until the 1960s for modern ethological analyses of primate facial and gestural communication. Again, the focus was on the chimpanzee, but ethograms on other primates appeared as well. Our understanding of the range of expressions in other primates is at present far more advanced than that in Darwin's time. A strong social component has been added: instead of focusing on the expressions per se, they are now often classified according to the social situations in which they typically occur. Initially, quantitative analyses were sequential (i.e., concerned with temporal associations between behavior patterns), and they avoided the language of emotions. I will discuss some of this early work, including my own on the communicative repertoire of the bonobo, a close relative of the chimpanzee (and ourselves). I will provide concrete examples to make the point that there is a much richer matrix of contexts possible than the common behavioral categories of aggression, sex, fear, play, and so on. Primate signaling is a form of negotiation, and previous classifications have ignored the specifics of what animals try to achieve with their exchanges. There is also increasing evidence for signal conventionalization in primates, especially the apes, in both captivity and the field. This process results in group-specific or “cultural” communication patterns. | ||||
| Address | Yerkes Primate Center, and Psychology Department, Emory University, Atlanta, Georgia 30322, USA. dewaal@emory.edu | ||||
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| Language | English | Summary Language | Original Title | ||
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| Series Volume | Series Issue | Edition | |||
| ISSN | 0077-8923 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | PMID:14766618 | Approved | no | ||
| Call Number | refbase @ user @ | Serial | 177 | ||
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| Author | de Waal, F.B.; Aureli, F.; Judge, P.G. | ||||
| Title | Coping with crowding | Type | Journal Article | ||
| Year | 2000 | Publication | Scientific American | Abbreviated Journal | Sci Am |
| Volume | 282 | Issue | 5 | Pages | 76-81 |
| Keywords | *Adaptation, Psychological; Animals; Behavior, Animal; Emotions; Female; Grooming; Homicide; Humans; Macaca mulatta; Male; Pan troglodytes; *Population Density; Primates; Rodentia; Rural Population; Territoriality; Urban Population; Violence | ||||
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| Address | Living Links Center, Yerkes Regional Primate Research Center, Atlanta, USA | ||||
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| Language | English | Summary Language | Original Title | ||
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| Series Volume | Series Issue | Edition | |||
| ISSN | 0036-8733 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | PMID:11056991 | Approved | no | ||
| Call Number | refbase @ user @ | Serial | 184 | ||
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| Author | Aureli, F.; Preston, S.D.; de Waal, F.B. | ||||
| Title | Heart rate responses to social interactions in free-moving rhesus macaques (Macaca mulatta): a pilot study | Type | Journal Article | ||
| Year | 1999 | Publication | Journal of comparative psychology (Washington, D.C. : 1983) | Abbreviated Journal | J Comp Psychol |
| Volume | 113 | Issue | 1 | Pages | 59-65 |
| Keywords | Animals; Behavior, Animal/physiology; Female; Grooming/physiology; Heart Rate/*physiology; Macaca mulatta/*physiology; Male; Movement/*physiology; Pilot Projects; *Social Behavior | ||||
| Abstract | Heart rate telemetry was explored as a means to access animal emotion during social interactions under naturalistic conditions. Heart rates of 2 middle-ranking adult females living in a large group of rhesus macaques (Macaca mulatta) were recorded along with their behavior. Heart rate changes during 2 types of interactions were investigated, while controlling for the effects of posture and activity. The risk of aggression associated with the approach of a dominant individual was expected to provoke anxiety in the approachee. This prediction was supported by the heart rate increase after such an approach. No increase was found when the approacher was a kin or a subordinate individual. The tension-reduction function of allogrooming was also supported. Heart rate decelerated faster during the receipt of grooming than in matched control periods. | ||||
| Address | Yerkes Regional Primate Research Center, Emory University, Atlanta, Georgia 30322, USA. aureli@rmy.emory.edu | ||||
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| Language | English | Summary Language | Original Title | ||
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| Series Volume | Series Issue | Edition | |||
| ISSN | 0735-7036 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | PMID:10098269 | Approved | no | ||
| Call Number | refbase @ user @ | Serial | 197 | ||
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