| Records |
| Author |
Judge, P.J. |
| Title |
Dyadic and triadic reconciliation in pigtail macaques (Macaca nemestrina) |
Type |
Journal Article |
| Year |
1991 |
Publication |
Am. J. Primatol. |
Abbreviated Journal |
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| Volume |
23 |
Issue |
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Pages |
225-237 |
| Keywords |
reconciliation • kinship • affiliation • aggression |
| 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 @ |
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4869 |
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| Author |
Marean, C.W.; Gifford-Gonzalez, D. |
| Title |
Late Quaternary extinct ungulates of East Africa and palaeoenvironmental implications |
Type |
Journal Article |
| Year |
1991 |
Publication |
Nature |
Abbreviated Journal |
Nature |
| Volume |
350 |
Issue |
6317 |
Pages |
418-420 |
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| Abstract |
UNGULATE communities of two East African savannas, the Serengeti and Athi-Kapiti Plains, are dominated by wildebeest (Connochaetes taurinus) supplemented by zebra (Equus burchelli), topi (Damaliscus lunatus), hartebeest (Alcelaphus buselaphus), buffalo (Syncerus caffer) eland (Taurotragus oryx) and gazelles (Gazella grand and G. thomsoni)1-3. Before this research, little was known of East African large mammal communities in the Late Pleistocene and early to middle Holocene. We document an extinct impala-sized alcelaphine antelope that is numerically dominant in Late Pleistocene archaeofaunal assemblages from the Athi-Kapiti Plains. The extinct giant buffalo Pelorovis antiquus is present, and a number of arid-adapted regionally extinct species are common. The small alcelaphine is rare in northern Tanzania, but regionally extinct arid-adapted species are present in Late Pleistocene deposits. These data indicate that as recently as 12,000 years ago, the large mammal community structure of East African savannas was very different and dry grasslands and arid-adapted ungulates expanded at least as far south as northern Tanzania during the Last Glacial Maximum. |
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10.1038/350418a0 |
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Equine Behaviour @ team @ |
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2345 |
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Potts, W.K.; Manning, C.J.; Wakeland, E.K. |
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Mating patterns in seminatural populations of mice influenced by MHC genotype |
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Journal Article |
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1991 |
Publication |
Nature |
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Nature |
| Volume |
352 |
Issue |
6336 |
Pages |
619-621 |
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10.1038/352619a0 |
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Equine Behaviour @ team @ |
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5424 |
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Luescher, U.A.; McKeown, D.B.; Halip, J. |
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Reviewing the causes of obsessive-compulsive disorders in horses |
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Journal Article |
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1991 |
Publication |
Vet. Med. |
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86 |
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527-530 |
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Cited By (since 1996): 17; Export Date: 21 October 2008 |
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no |
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Equine Behaviour @ team @ |
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4526 |
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| Author |
Sato, S.; Sako, S.; Maeda, A. |
| Title |
Social licking patterns in cattle (<em>Bos taurus</em>): influence of environmental and social factors |
Type |
Journal Article |
| Year |
1991 |
Publication |
Applied Animal Behaviour Science |
Abbreviated Journal |
Applied Animal Behaviour Science |
| Volume |
32 |
Issue |
1 |
Pages |
3-12 |
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To investigate the functions of social licking in cattle, four calves (one heifer and one steer in each of two herds), known to exhibit frequent social licking were observed continuously for 2 h before sunset for 13 days, using the focal animal sampling method. Calves were observed under various environmental conditions. Social licking significantly decreased on rainy days and tended to increase in a dirty barn and when food was restricted. Solicitation for social licking occurred not only from dominant animals of pairs but also from subordinates. Of the licking interactions, 31% occurred following solicitation, and these accounted for 39% of the total time spent licking. Following solicitation, 78% of social licking was oriented to the head and the neck regions that were inaccessible to self-licking animals. Unsolicited licking, however, was oriented not only to the head and the neck but also to the back and the rump regions, and these two latter regions were the major ones to receive licking. The effect of social relationships on social licking was investigated using least-squares analysis of variance. Social factors investigated were the difference of dominance values, the dominance-subordinance relationship, and kinship and familiarity; the sex of calves involved was also considered. Only familiarity had a significant effect on licking; exchanges of social licking increased with length of cohabitation. We suggest that social licking may have a cleaning effect, a tension-reducing effect and a bonding effect. |
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Elsevier |
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0168-1591 |
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doi: 10.1016/S0168-1591(05)80158-3 |
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Equine Behaviour @ team @ |
Serial |
6409 |
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| Author |
Kaseda Y, |
| Title |
Some factors affecting on the population dynamics of two herds in Misaki feral horses |
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Journal Article |
| Year |
1991 |
Publication |
Animal Science and Technology |
Abbreviated Journal |
Anim Sci Tech |
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62 |
Issue |
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1171-1178 |
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from Professor Hans Klingels Equine Reference List |
Approved |
yes |
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1238 |
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Klingel, H. |
| Title |
Dix ans parmi les zèbres |
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Journal Article |
| Year |
1991 |
Publication |
Terre Sauvage |
Abbreviated Journal |
Terre Sauvage |
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48 |
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34-43 |
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from Professor Hans Klingels Equine Reference List |
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yes |
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1321 |
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Klingel, H. |
| Title |
Tausend Zebras im Computer |
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Journal Article |
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1991 |
Publication |
Das Tier |
Abbreviated Journal |
Das Tier |
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10 |
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8-16 |
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from Professor Hans Klingels Equine Reference List |
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yes |
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1322 |
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Penzhorn,B.L.; Novellie, P.A. |
| Title |
Some behavioural traits of Cape mountain zebras and their implications for the management of asmall conservation area |
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Journal Article |
| Year |
1991 |
Publication |
Applied Animal Behaviour Science |
Abbreviated Journal |
Appl. Anim. Behav. Sci. |
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29 |
Issue |
1-4 |
Pages |
293-299 |
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The social organisation of mountain zebras (Equus zebra zebra) consists of breeding herds (1 male, 2.4 females (range 1–5) and their offspring) which remain stable over many years, and bachelor groups. Foals leave their maternal herds of their own accord. In a free-ranging population the behaviour of the foals in leaving the herd is probably an adequate mechanism to prevent inbreeding, but inbreeding may occur in confined populations. Individual recognition by means of stripe pattern allows a check to be kept.
Seasonal movement of mountain zebras is associated with a relative change in diet quality (as indicated by crude protein contents of preferred food plants and of faeces) between summer and winter habitats. Any conservation area should be large and varied enough to include both summer and winter habitats. Mountain zebras favour taller grass than most antelope species, harvesting their food at 50–150 mm from the ground. The existence of large populations of antelope could, therefore, be detrimental to zebras. |
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from Professor Hans Klingels Equine Reference List |
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no |
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1465 |
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Kirkpatrick, J.F.; Shldeler, S.E.; Lasley, B.L.; Turner, J.W.J. |
| Title |
Pregnancy determination in uncaptured feral horses by means of fecal steroid conjugates |
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Journal Article |
| Year |
1991 |
Publication |
Theriogenology |
Abbreviated Journal |
Theriogenology |
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35 |
Issue |
4 |
Pages |
753-760 |
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This study was carried out to develop an accurate, rapid and inexpensive method for diagnosing pregnancy in uncaptured feral horses by analysis of fecal steroid metabolites and to compare the accuracy of this method with diagnosis by urinary estrone conjugates (E(1)C). Paired urine and fecal samples were collected from 40 sexually mature feral mares during August and October. Urine samples were extracted directly from the soil and analyzed by enzymeimmunoassay (EIA) for E(1)C. Water extracts of fecal samples were assayed by EIA for E(1)C and nonspecific progesterone metabolites (iPdG). Urinary E(1)C, fecal E(1)C and fecal iPdG concentrations for seven mares which produced foals were 3.9 +/- 1.3 (SEM) mug/mg creatinine, 4.2 +/- 0.8 ng/g feces and 1.411 +/- 569.6 ng/g feces, respectively. Urinary E(1)C and fecal E(1)C and iPdG concentrations for the 33 mares which did not produce foals were 0.1 +/- 0.0 mug/mg creatinine and 0.5 +/- 0.1 and 32.8 +/- 4.5 ng/g feces, respectively. These differed (P < 0.01) from values in mares which produced foals. |
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Department of Biological Sciences Eastern Montana College Billings, MT 59101 USA |
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English |
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0093-691X |
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| Notes |
PMID:16726944 |
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refbase @ user @ |
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146 |
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