Records |
Author |
Judge, P.G.; de Waal, F.B.; Paul, K.S.; Gordon, T.P. |
Title |
Removal of a trauma-inflicting alpha matriline from a group of rhesus macaques to control severe wounding |
Type |
Journal Article |
Year |
1994 |
Publication |
Laboratory animal science |
Abbreviated Journal |
Lab Anim Sci |
Volume |
44 |
Issue |
4 |
Pages |
344-350 |
Keywords |
*Aggression; Animals; Female; *Macaca mulatta; Male; *Monkey Diseases; *Social Dominance; Wounds and Injuries/epidemiology/prevention & control/*veterinary |
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) |
Address |
Yerkes Regional Primate Research Center, Emory University, Atlanta, GA 30329 |
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English |
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ISSN |
0023-6764 |
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Notes |
PMID:7983846 |
Approved |
no |
Call Number |
refbase @ user @ |
Serial |
207 |
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Author |
Mitman, G. |
Title |
Dominance, leadership, and aggression: animal behavior studies during the Second World War |
Type |
Journal Article |
Year |
1990 |
Publication |
Journal of the History of the Behavioral Sciences |
Abbreviated Journal |
J Hist Behav Sci |
Volume |
26 |
Issue |
1 |
Pages |
3-16 |
Keywords |
*Aggression; Animals; Behavior, Animal; *Dominance-Subordination; History, 20th Century; *Leadership; Political Systems; *Social Dominance; United States |
Abstract |
During the decade surrounding the Second World War, an extensive literature on the biological and psychological basis of aggression surfaced in America, a literature that in general emphasized the significance of learning and environment in the origins of aggressive behavior. Focusing on the animal behavior research of Warder Clyde Allee and John Paul Scott, this paper examines the complex interplay among conceptual, institutional, and societal forces that created and shaped a discourse on the subjects of aggression, dominance, and leadership within the context of World War II. The distinctions made between sexual and social dominance during this period, distinctions accentuated by the threat of totalitarianism abroad, and the varying ways that interpretations of behavior could be negotiated attests to the multiplicity of interactions that influence the development of scientific research. |
Address |
University of Wisconsin |
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English |
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ISSN |
0022-5061 |
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Notes |
PMID:2405050 |
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no |
Call Number |
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Serial |
2044 |
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Author |
Hemelrijk, C.K.; Wantia, J. |
Title |
Individual variation by self-organisation |
Type |
Journal Article |
Year |
2005 |
Publication |
Neuroscience and biobehavioral reviews |
Abbreviated Journal |
Neurosci Biobehav Rev |
Volume |
29 |
Issue |
1 |
Pages |
125-136 |
Keywords |
Aggression; Animals; Behavior, Animal/*physiology; Competitive Behavior/*physiology; Female; Humans; *Individuality; Male; Models, Psychological; Sex Characteristics; *Social Dominance; Time Factors |
Abstract |
In this paper, we show that differences in dominance and spatial centrality of individuals in a group may arise through self-organisation. Our instrument is a model, called DomWorld, that represents two traits that are often found in animals, namely grouping and competing. In this model individual differences grow under the following conditions: (1) when the intensity of aggression increases and grouping becomes denser, (2) when the degree of sexual dimorphism in fighting power increases. In this case the differences among females compared to males grow too, (3) when, upon encountering another individual, the tendency to attack is 'obligate' and not conditional, namely 'sensitive to risks'. Results resemble phenomena described for societies of primates, mice, birds and pigs. |
Address |
Theoretical Biology, University of Groningen, NN Haren, The Netherlands. hemelrij@ifi.unizh.ch |
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English |
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ISSN |
0149-7634 |
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Notes |
PMID:15652260 |
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no |
Call Number |
refbase @ user @ |
Serial |
443 |
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Author |
Li, F.-H.; Zhong, W.-Q.; Wang, Z.; Wang, D.-H. |
Title |
Rank in a food competition test and humoral immune functions in male Brandt's voles (Lasiopodomys brandtii) |
Type |
Journal Article |
Year |
2007 |
Publication |
Physiology & behavior |
Abbreviated Journal |
Physiol. Behav. |
Volume |
90 |
Issue |
2-3 |
Pages |
490-495 |
Keywords |
Animals; Antibody Formation/*physiology; Arvicolinae/immunology/*physiology; Competitive Behavior/*physiology; *Dominance-Subordination; Feeding Behavior/physiology; Hydrocortisone/blood; Male; *Social Dominance; Spleen/immunology/physiology |
Abstract |
Social status can influence an animal's immune and reproductive functions, eventually leading to alterations in immunocompetence and reproductive success. Here, we report that rank assessed in a food competition test, considered as an index of social status, has significant influences on humoral immune functions in male Brandt's voles (Lasiopodomys brandtii) living in a group. Our data reveal a negative correlation of the spleen mass and serum antibody levels with social status, as well as a positive correlation of serum cortisol levels with social status. Males winning in food competition had a smaller spleen, a lower level of serum antibodies, and a higher level of serum cortisol than did their conspecific counterparts. These data indicate interactions between social status and humoral immune functions and might illustrate a trade-off between infection risks and reproductive success in male Brandt's voles. |
Address |
State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, The Chinese Academy of Sciences, No. 25 Beisihuan Xilu, Zhongguancun, Haidian, Beijing 100080, China |
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English |
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ISSN |
0031-9384 |
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Notes |
PMID:17141282 |
Approved |
no |
Call Number |
refbase @ user @ |
Serial |
804 |
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Author |
King, A.J.; Douglas, C.M.S.; Huchard, E.; Isaac, N.J.B.; Cowlishaw, G. |
Title |
Dominance and affiliation mediate despotism in a social primate |
Type |
Journal Article |
Year |
2008 |
Publication |
Current Biology : CB |
Abbreviated Journal |
Curr Biol |
Volume |
18 |
Issue |
23 |
Pages |
1833-1838 |
Keywords |
Animals; *Authoritarianism; Behavior, Animal/*physiology; Cooperative Behavior; *Decision Making; Feeding Behavior; Female; *Group Processes; Male; Papio ursinus/*psychology; *Social Dominance |
Abstract |
Group-living animals routinely have to reach a consensus decision and choose between mutually exclusive actions in order to coordinate their activities and benefit from sociality. Theoretical models predict “democratic” rather than “despotic” decisions to be widespread in social vertebrates, because they result in lower “consensus costs”-the costs of an individual foregoing its optimal action to comply with the decision-for the group as a whole. Yet, quantification of consensus costs is entirely lacking, and empirical observations provide strong support for the occurrence of both democratic and despotic decisions in nature. We conducted a foraging experiment on a wild social primate (chacma baboons, Papio ursinus) in order to gain new insights into despotic group decision making. The results show that group foraging decisions were consistently led by the individual who acquired the greatest benefits from those decisions, namely the dominant male. Subordinate group members followed the leader despite considerable consensus costs. Follower behavior was mediated by social ties to the leader, and where these ties were weaker, group fission was more likely to occur. Our findings highlight the importance of leader incentives and social relationships in group decision-making processes and the emergence of despotism. |
Address |
Institute of Zoology, Zoological Society of London, Regent's Park, London, NW1 4RY, UK. andrew.king@ioz.ac.uk |
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English |
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Edition |
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ISSN |
0960-9822 |
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Notes |
PMID:19026539 |
Approved |
no |
Call Number |
Equine Behaviour @ team @ |
Serial |
5124 |
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Author |
Vollmerhaus, B.; Roos, H.; Gerhards, H.; Knospe, C. |
Title |
[Phylogeny, form and function of canine teeth in the horse] |
Type |
Journal Article |
Year |
2003 |
Publication |
Anatomia, histologia, embryologia |
Abbreviated Journal |
Anat Histol Embryol |
Volume |
32 |
Issue |
4 |
Pages |
212-217 |
Keywords |
Animals; Cuspid/*anatomy & histology/radiography; Evolution; Horses/*anatomy & histology; Male; Phylogeny; *Social Dominance |
Abstract |
The canine teeth of the horse developed phylogenically from the simple, pointed, short-rooted tooth form of the leaf eating, in pairs living, Eocene horse Hyracotherium and served up to the Oligocene as a means of defense (self preservation). In the Miocene the living conditions of the Merychippus changed and they took to eating grass and adopted as a new behavior the life in a herd. The canine teeth possibly played an important role in fights for social ranking; they changed from a crown form to knife-like shape. In the Pliohippus the canine tooth usually remained in male horses and since the Pliocene, it contributed to the fights between stallions, to ensure that the offspring only came from the strongest animals (preservation of the species). Form and construction of the canine tooth are described and discussed in detail under the above mentioned phylogenic and ethologic aspects. |
Address |
Institut fur Tieranatomie und Chirurgische Tierklinik der Universitat Munchen, Veterinarstrasse 13, D 80539 Munchen, Deutschland. c-neumueller@anat.vetmed.uni-muenchen.de |
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Language |
German |
Summary Language |
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Original Title |
[Zur Phylogenie, Form und Funktion der Dentes canini des Pferdes] |
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Edition |
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ISSN |
0340-2096 |
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Notes |
PMID:12919071 |
Approved |
no |
Call Number |
refbase @ user @ |
Serial |
672 |
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Author |
Puppe, B. |
Title |
[Social dominance and rank relationships in domestic pigs: a critical review] |
Type |
Journal Article |
Year |
1996 |
Publication |
Berliner und Munchener Tierarztliche Wochenschrift |
Abbreviated Journal |
Berl Munch Tierarztl Wochenschr |
Volume |
109 |
Issue |
11-12 |
Pages |
457-464 |
Keywords |
Animals; Animals, Domestic; Animals, Wild; Female; Male; Models, Psychological; *Social Behavior; *Social Dominance; Swine/*psychology |
Abstract |
Viewing dominance as an attribute of repeated agonistic interactions between two individuals, the present paper reviews theoretical approaches towards concepts of dominance, methods of measurement, and basic principles and problems connected with social dominance in domestic pigs. Domestic pigs are able to establish social organization structures during all stages of their ontogeny. According to definition, dominance relationships occur when a consistent asymmetry of the result of dyadic agonistic interactions can be assessed. This must not necessarily be connected immediately with a better availability of resources, or a high stability of existing dominance relationships, or a functional definition of dominance. When sociometric characteristics are calculated, it seems to be appropriate to use them for different levels of a biological system (individual, individual pair, group). Investigations of social behaviour and dominance in farm animals should take into account that mechanisms of social behaviour in confined environments are often carried out in parts only. Connections of the dominance concept with other concepts of behavioural regulation should be theoretically considered and further investigated by experimental studies. |
Address |
Forschungsbereich Physiologische Grundlagen der Tierhaltung des Forschungsinstituts fur die Biologie landwirtschaftlicher Nutztiere Dummerstorf-Rostock |
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German |
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Original Title |
Soziale Dominanz- und Rangbeziehungen beim Hausschwein: eine kritische Ubersicht |
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0005-9366 |
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Notes |
PMID:8999780 |
Approved |
no |
Call Number |
Equine Behaviour @ team @ |
Serial |
2861 |
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Author |
Biro, D.; Sumpter, D.J.T.; Meade, J.; Guilford, T. |
Title |
From Compromise to Leadership in Pigeon Homing |
Type |
Journal Article |
Year |
2006 |
Publication |
Current Biology |
Abbreviated Journal |
Curr Biol |
Volume |
16 |
Issue |
21 |
Pages |
2123-2128 |
Keywords |
Animal Migration; Animals; Columbidae/*physiology; Decision Making; *Flight, Animal; *Homing Behavior; Models, Biological; Orientation; *Social Behavior; *Social Dominance |
Abstract |
Summary A central problem faced by animals traveling in groups is how navigational decisions by group members are integrated, especially when members cannot assess which individuals are best informed or have conflicting information or interests , , , and . Pigeons are now known to recapitulate faithfully their individually distinct habitual routes home , and , and this provides a novel paradigm for investigating collective decisions during flight under varying levels of interindividual conflict. Using high-precision GPS tracking of pairs of pigeons, we found that if conflict between two birds' directional preferences was small, individuals averaged their routes, whereas if conflict rose over a critical threshold, either the pair split or one of the birds became the leader. Modeling such paired decision-making showed that both outcomes--compromise and leadership--could emerge from the same set of simple behavioral rules. Pairs also navigated more efficiently than did the individuals of which they were composed, even though leadership was not necessarily assumed by the more efficient bird. In the context of mass migration of birds and other animals, our results imply that simple self-organizing rules can produce behaviors that improve accuracy in decision-making and thus benefit individuals traveling in groups , and . |
Address |
Department of Zoology, University of Oxford, Oxford OX1 3PS, United Kingdom. daro.biro@zoo.ox.ac.uk |
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Englisch |
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ISSN |
0960-9822 |
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PMID:17084696 |
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no |
Call Number |
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Serial |
2026 |
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Author |
Rands, S.A.; Cowlishaw, G.; Pettifor, R.A.; Rowcliffe, J.M.; Johnstone, R.A. |
Title |
The emergence of leaders and followers in foraging pairs when the qualities of individuals differ |
Type |
Journal Article |
Year |
2008 |
Publication |
BMC Evolutionary Biology |
Abbreviated Journal |
BMC Evol Biol |
Volume |
8 |
Issue |
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Pages |
51 |
Keywords |
Animals; *Feeding Behavior; *Food Chain; *Models, Biological; *Social Dominance |
Abstract |
BACKGROUND: Foraging in groups offers animals a number of advantages, such as increasing their likelihood of finding food or detecting and avoiding predators. In order for a group to remain together, there has to be some degree of coordination of behaviour and movement between its members (which may in some cases be initiated by a decision-making leader, and in other cases may emerge as an underlying property of the group). For example, behavioural synchronisation is a phenomenon where animals within a group initiate and then continue to conduct identical behaviours, and has been characterised for a wide range of species. We examine how a pair of animals should behave using a state-dependent approach, and ask what conditions are likely to lead to behavioural synchronisation occurring, and whether one of the individuals is more likely to act as a leader. RESULTS: The model we describe considers how the energetic gain, metabolic requirements and predation risks faced by the individuals affect measures of their energetic state and behaviour (such as the degree of behavioural synchronisation seen within the pair, and the value to an individual of knowing the energetic state of its colleague). We explore how predictable changes in these measures are in response to changes in physiological requirements and predation risk. We also consider how these measures should change when the members of the pair are not identical in their metabolic requirements or their susceptibility to predation. We find that many of the changes seen in these measures are complex, especially when asymmetries exist between the members of the pair. CONCLUSION: Analyses are presented that demonstrate that, although these general patterns are robust, care needs to be taken when considering the effects of individual differences, as the relationship between individual differences and the resulting qualitative changes in behaviour may be complex. We discuss how these results are related to experimental observations, and how the model and its predictions could be extended. |
Address |
Department of Zoology, University of Cambridge, Downing Street, Cambridge CB2 3EJ, UK. sean.rands@bristol.ac.uk |
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English |
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ISSN |
1471-2148 |
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PMID:18282297 |
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no |
Call Number |
Equine Behaviour @ team @ |
Serial |
5126 |
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Author |
Chase, I.D.; Tovey, C.; Spangler-Martin, D.; Manfredonia, M. |
Title |
Individual differences versus social dynamics in the formation of animal dominance hierarchies |
Type |
Journal Article |
Year |
2002 |
Publication |
Proceedings of the National Academy of Sciences of the United States of America |
Abbreviated Journal |
Proc. Natl. Acad. Sci. U.S.A. |
Volume |
99 |
Issue |
8 |
Pages |
5744-5749 |
Keywords |
Animals; *Behavior, Animal; Fishes; Humans; *Social Behavior; *Social Dominance |
Abstract |
Linear hierarchies, the classical pecking-order structures, are formed readily in both nature and the laboratory in a great range of species including humans. However, the probability of getting linear structures by chance alone is quite low. In this paper we investigate the two hypotheses that are proposed most often to explain linear hierarchies: they are predetermined by differences in the attributes of animals, or they are produced by the dynamics of social interaction, i.e., they are self-organizing. We evaluate these hypotheses using cichlid fish as model animals, and although differences in attributes play a significant part, we find that social interaction is necessary for high proportions of groups with linear hierarchies. Our results suggest that dominance hierarchy formation is a much richer and more complex phenomenon than previously thought, and we explore the implications of these results for evolutionary biology, the social sciences, and the use of animal models in understanding human social organization. |
Address |
Department of Sociology, State University of New York, Stony Brook, NY 11794-4356, USA. Ichase@notes.cc.sunysb.edu |
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0027-8424 |
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Notes |
PMID:11960030 |
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no |
Call Number |
refbase @ user @ |
Serial |
442 |
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