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Author |
Judge, P.J. |
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Title |
Dyadic and triadic reconciliation in pigtail macaques (Macaca nemestrina) |
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Journal Article |
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Year  |
1991 |
Publication |
Am. J. Primatol. |
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23 |
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Pages |
225-237 |
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Keywords |
reconciliation • kinship • affiliation • aggression |
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Abstract |
The tendency in primates for former antagonists to approach and affiliate following aggression has been termed reconciliation because the response is thought to resolve social conflicts produced by aggression. In primate societies, however, an aggressive interaction between two individuals often spreads to include other group members, especially the kin of the combatants. If post conflict affiliation resolves aggressive conflicts in a group, then affiliative increases might occur between combatants and the kin of their opponents following aggression as well as between former opponents. This hypothesis was tested in a captive group of 39 pigtail macaques (Macaca nemestrina) by comparing affiliative response frequencies of combatants during the 5 minute period following aggression to affiliative response frequencies during 5 minute baseline periods not preceded by aggressive activity. Following aggression, affiliation rates increased between combatants and their opponents, aggressors and the kin of their opponents, and aggressors and their own kin. Additional analyses showed that aggression among kin was reconciled more often than aggression among nonkin. Recipients of aggression reconciled with their attackers more often than aggressors reconciled with their victims. Animals with similar dominance ranks reconciled proportionately more often than those with large rank disparities and aggressive infractions of a calculated dominance hierarchy were reconciled more often than attacks consistent with the hierarchy. Results suggest that both dyadic and triadic reconciliations occur in M. nemestrina and that compared to other primate species M. nemestrina exhibit a moderate-to-high conciliatory tendency. |
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10.1002/ajp.1350230403 |
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Call Number |
Equine Behaviour @ team @ |
Serial |
4869 |
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Author |
Houpt, K.A.; Smith, R. |
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Title |
Animal behavior case of the month |
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Journal Article |
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Year |
1993 |
Publication |
Journal of the American Veterinary Medical Association |
Abbreviated Journal |
J Am Vet Med Assoc |
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Volume |
203 |
Issue |
3 |
Pages |
377-378 |
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Keywords |
Aggression; Animals; Animals, Zoo/*psychology; *Behavior, Animal; *Feeding Behavior; Female; Horses/*psychology; *Weaning |
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Department of Physiology, College of Veterinary Medicine, Cornell University, Ithaca, NY 14853-6401 |
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0003-1488 |
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PMID:8226214 |
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refbase @ user @ |
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37 |
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Author |
de Waal, F.B.; Johanowicz, D.L. |
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Title |
Modification of reconciliation behavior through social experience: an experiment with two macaque species |
Type |
Journal Article |
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Year |
1993 |
Publication |
Child development |
Abbreviated Journal |
Child Dev |
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Volume |
64 |
Issue |
3 |
Pages |
897-908 |
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Keywords |
Aggression; Animals; *Behavior, Animal; Female; Grooming; *Macaca; *Macaca mulatta; Male; Play and Playthings; *Socialization; Vocalization, Animal |
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Reconciliation, defined as a friendly reunion between former opponents shortly after an aggressive encounter, is common in the stumptail macaque (Macaca arctoides) but rare in the rhesus macaque (M. mulatta). Juveniles of the two species were cohoused for 5 months, after which they were observed with conspecifics only. Control rhesus monkeys, matched in age and sex to the experimental subjects, went through the same procedure without exposure to the other species. A threefold increase in the proportion of reconciled fights was measured in the rhesus subjects. The difference emerged gradually during cohousing with the tutor species and was sustained following removal of this species. Other behavior, such as grooming and aggression, decreased over time. It is suggested that the social attitude of the subjects was affected through contact with a species characterized by a more relaxed dominance style. |
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Wisconsin Regional Primate Research Center, University of Wisconsin-Madison |
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0009-3920 |
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PMID:8339702 |
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no |
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Call Number |
refbase @ user @ |
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209 |
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Author |
Judge, P.G.; de Waal, F.B.; Paul, K.S.; Gordon, T.P. |
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Title |
Removal of a trauma-inflicting alpha matriline from a group of rhesus macaques to control severe wounding |
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Journal Article |
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Year |
1994 |
Publication |
Laboratory animal science |
Abbreviated Journal |
Lab Anim Sci |
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Volume |
44 |
Issue |
4 |
Pages |
344-350 |
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Keywords |
*Aggression; Animals; Female; *Macaca mulatta; Male; *Monkey Diseases; *Social Dominance; Wounds and Injuries/epidemiology/prevention & control/*veterinary |
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Abstract |
Wounding in an 83-member group of rhesus macaques (Macaca mulatta) housed at the Yerkes Regional Primate Research Center Field Station became excessive to the point that intervention was deemed necessary. When observations indicated that three females from the group's alpha matriline were principally responsible for the wounding, the matriline (N = 7) was removed from the group. This study was conducted to document an atypical pattern of wounding in this group and to evaluate the effectiveness of removal as a procedure for controlling injuries. The aggression rates of 21 adult subjects and the wounds of all group members were recorded before and after the removal procedure and compared with those in a similar-sized group. Removing the alpha matriline did not alter aggression rates in the group or the rank order among the remaining matrilines. Aggression rates in the experimental group were also not significantly different from those in the comparison group before or after the removal. With the alpha matriline present, wounding levels in the group were significantly higher than those in the comparison group. After removal of the matriline, the frequency of wounds decreased significantly to levels similar to those of the comparison group. The pattern of excess wounding attributed to the extracted alpha females was idiosyncratic, involving removal of large patches of skin from the hindquarters of adult females or removal of the distal portion of the fingers, toes, or tail from juveniles.(ABSTRACT TRUNCATED AT 250 WORDS) |
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Yerkes Regional Primate Research Center, Emory University, Atlanta, GA 30329 |
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0023-6764 |
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Notes |
PMID:7983846 |
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no |
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Call Number |
refbase @ user @ |
Serial |
207 |
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Author |
Araba, B.D.; Crowell-Davis, S.L. |
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Title |
Dominance relationships and aggression of foals (Equus caballus) |
Type |
Journal Article |
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Year |
1994 |
Publication |
Applied Animal Behaviour Science |
Abbreviated Journal |
Appl. Anim. Behav. Sci. |
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Volume |
41 |
Issue |
1-2 |
Pages |
1-25 |
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Keywords |
aggression; dominance; horse; Equus caballus |
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Abstract |
Studied a herd of 15 Belgian brood-mares and 10 foals. Specific aspects of social structure studied were dominance-subordinance relationships, preferred associates, social spacing, aggression rates, the frequency of aggressions administered down the dominance hierarchy, and interactive play bouts. The rank order of the foals, both before and after weaning, was positively correlated with the rank order of their dams. There was also a significant relationship between a foal's rank and its total aggression or aggression rate per subordinate post-weaning. Higher ranking foals had higher rates of aggression. Over 80% of threats were directed down the dominance hierachy. The play-rank order of the foals, scored by the number of times foal left a play bout, was not significantly correlated with the rank order as scored by agonistic interactions. -from Authors |
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Dept Anatomy and Radiology, Univ of Georgia, Athens, GA, USA |
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01681591 (Issn) |
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refbase @ user @ |
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790 |
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Author |
Barber, J.A.; Crowell-Davis, S.L. |
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Title |
Maternal behavior of Belgian (Equus caballus) mares |
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Journal Article |
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Year |
1994 |
Publication |
Applied Animal Behaviour Science |
Abbreviated Journal |
Appl. Anim. Behav. Sci. |
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Volume |
41 |
Issue |
3-4 |
Pages |
161-189 |
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Keywords |
Belgian; Draft horse; Ontogeny; Maternal aggression; Maternal behavior; Nursing behavior; Recumbency response |
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Abstract |
The relationship between ten Belgian mares and their offspring was studied from the first day of foal life to 17 weeks of age. Mares and foals spent more time at greater distances from each other as foals matured. Mares exhibited the recumbency response, being in closer proximity to their foals when foals were recumbent than when they were upright. Foals initiated the majority of nursing bouts. Frequency and duration of nursing bouts and percentage of time resting recumbently declined as foals matured. Foals also terminated the their foals, and they were most likely to do so in the first month of foal life. Maternal initiation of nursing. There was usually no discernible foal response to maternal aggression. Little difference between maternal behavior directed towards colts and fillies was found for all aspects of the study. Maternal behavior in the Belgian draft horse was similar to that reported for other equid breeds. |
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Equine Behaviour @ team @ |
Serial |
2268 |
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Author |
Pollard, J.C.; Littlejohn, R.P. |
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Title |
The effects of pen size on the behaviour of farmed red deer stags confined in yards |
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Journal Article |
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Year |
1996 |
Publication |
Applied Animal Behaviour Science |
Abbreviated Journal |
Appl. Anim. Behav. Sci. |
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47 |
Issue |
3-4 |
Pages |
247-253 |
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Keywords |
Red deer; Handling; Density; Aggression; Farming |
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Abstract |
To determine whether pen size affected the behaviour and welfare of farmed red deer confined temporarily in yards, four groups of ten 2-year-old stags were confined for 40 min or 2 days in each of spring and summer, in either large (5 m × 4 m ) or small (2.5 m × 4) pens. In the small pens, wall pacing and vertical/horizontal head movements at the walls were more frequently observed (P < 0.05) and were carried out by a greater percentage of the deer (P < 0.001), and distances between individuals were smaller (P < 0.01), than observations in the large pens. Aggressive activities varied seasonally, with head-butting and chasing being seen most frequently in the spring (P < 0.05) and biting and kicking being seen most frequently in the summer (P < 0.05), and the overall frequency of aggressive activities was low in summer. In spring, in small pens there were fewer threats to head-butt, head butts by moving animals, and less stepping activity than in large pens (P < 0.05). In summer, in small pens there were more threats to butt and more stepping activity than in the large pens (P < 0.05). In both seasons, aggressive activities were correlated with wall pacing (r = 0.58 and 0.55, respectively). It was concluded that the effect of pen size on the frequency and nature of aggressive and other activities varied seasonally. In order minimise aggression and stepping activity, small pens were favoured in spring and large pens were favoured in summer. However, in both seasons there were greater inter-individual distances and reduced pacing and head movements at the walls in large pens. This latter finding may indicate that the large pens were less aversive to the deer, regardless of season. |
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0168-1591 |
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Equine Behaviour @ team @ |
Serial |
5472 |
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Author |
Aureli, F.; de Waal, F.B. |
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Title |
Inhibition of social behavior in chimpanzees under high-density conditions |
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Journal Article |
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Year |
1997 |
Publication |
American journal of primatology |
Abbreviated Journal |
Am. J. Primatol. |
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Volume |
41 |
Issue |
3 |
Pages |
213-228 |
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Keywords |
Aggression/*psychology; Animals; *Behavior, Animal; *Crowding; Female; Male; Pan troglodytes/*psychology; Population Density; *Social Environment; Stress, Psychological |
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Abstract |
This is the first study to investigate the short-term effects of high population density on captive chimpanzees (Pan troglodytes). Subjects of the study were 45 chimpanzees living in five different groups at the Yerkes Regional Primate Research Center. The groups were observed under two conditions: 1) when they had access to both the indoor and outdoor sections of their enclosures; 2) during cold days when they were locked into the indoor runs, which reduced the available space by more than half. Under the high-density condition, allogrooming and submissive greetings decreased, but juvenile play increased. Remarkably, the rate of various forms of agonistic behavior, such as aggression, bluff charge, bluff display, and hooting, occurred less frequently under the high-density condition. This general decrease in adult social activity, including agonistic behavior, can be interpreted as an inhibition strategy to reduce opportunities for conflict when interindividual distances are reduced. This strategy is probably effective only in the short run, however. Behavioral indicators of anxiety, such as rough scratching and yawning, showed elevated rates, suggesting increased social tension under the high-density condition. |
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Yerkes Regional Primate Research Center, Emory University, Atlanta, GA 30322, USA |
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0275-2565 |
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PMID:9057966 |
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Call Number |
refbase @ user @ |
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203 |
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Author |
Aronson, L. |
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Title |
Animal behavior case of the month. Aggression directed toward other horses |
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Journal Article |
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1998 |
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Journal of the American Veterinary Medical Association |
Abbreviated Journal |
J Am Vet Med Assoc |
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213 |
Issue |
3 |
Pages |
358-359 |
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*Aggression; Animals; *Behavior, Animal; Follow-Up Studies; Horse Diseases/*diagnosis/drug therapy/psychology; Horses/*psychology; Housing, Animal; Hypothyroidism/diagnosis/drug therapy/*veterinary; Male; Physical Examination/veterinary; Thyroxine/blood/therapeutic use |
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Department of Surgery, School of Veterinary Medicine, Tufts University, North Grafton, MA 01536, USA |
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0003-1488 |
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PMID:9702222 |
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refbase @ user @ |
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1935 |
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Author |
Jolly, A. |
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Title |
Pair-bonding, female aggression and the evolution of lemur societies |
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Journal Article |
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1998 |
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Folia Primatologica; International Journal of Primatology |
Abbreviated Journal |
Folia Primatol (Basel) |
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69 Suppl 1 |
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1-13 |
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*Aggression; Animals; Evolution; Female; Intelligence; Lemur/*psychology; Male; *Pair Bond; Sex Factors; Social Dominance; Strepsirhini/psychology |
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Lemur societies have been described as convergent with those of anthropoids, including Papio-like female-bonded multi-male groups. Recent research, however, shows at least 5 pair-bonded species among the Lemuridae and Indriidae. Three more, Eulemur mongoz, Eulemur fulvus and Varecia variegata, have societies combining aspects of pairing with aspects of troop life. The best-known female-bonded societies, those of Lemur catta, Propithecus diadema edwardsi and Propithecus verreauxi, may be assemblages of mother-daughter dyads, capable of high aggression towards other females, but derived from more solitary female ancestors, perhaps also living as pairs. The internal structure of such lemur groups differs from the more extensive kin groups of catarrhines. This in turn may relate to the lemurs' level of social intelligence and to lemur female dominance over males. |
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Department of Ecology and Evolutionary Biology, Princeton University, N.J. 08544, USA. ajolly@princeton.edu |
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0015-5713 |
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PMID:9595685 |
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Equine Behaviour @ team @ |
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4179 |
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