| Records |
| Author |
Giraldeau, Luc-Alain |
| Title |
The ecology of information use |
Type |
Book Chapter |
| Year |
1997 |
Publication |
Behavioural ecology : an evolutionary approach |
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Blackwell Science |
Place of Publication |
Cambridge, Mass. |
Editor |
Krebs, J.R.; Davies, N.B. |
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ISBN |
0865427313 9780865427310 |
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no |
| Call Number |
Equine Behaviour @ team @ 35114973 |
Serial |
4277 |
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| Author |
unknown |
| Title |
Personality and Personality Disorders |
Type |
Book Chapter |
| Year |
1997 |
Publication |
Behavioural Genetics |
Abbreviated Journal |
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Issue |
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Pages |
195-207 |
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W. H. Freeman and Company |
Place of Publication |
New York |
Editor |
Plomin, R.; DeFries, J.C.; McClearn, G.E.;Rutter, M. |
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3 |
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no |
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Equine Behaviour @ team @ |
Serial |
4283 |
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| Author |
Beaugrand, J.P |
| Title |
Relative importance of initial individual differences, agonistic experience, and assessment accuracy during hierarchy formation: a simulation study |
Type |
Journal Article |
| Year |
1997 |
Publication |
Behavioural Processes |
Abbreviated Journal |
Behav. Process. |
| Volume |
41 |
Issue |
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Pages |
177-192 |
| Keywords |
Dominance; Hierarchy formation; RHP; Agonistic experience; Assessment; Self-organization; Simulation |
| Abstract |
This simulation study explores some conditions leading to transitivity within dominance orders. Combinations of three parameters were varied to study their consequences upon hierarchy formation and upon the degree of linearity of resultant structures. The factors studied were: (1) the importance of initial resource holding potentials (RHPs); (2) changes brought in RHPs by successive victories and defeats; and (3) accuracy of RHP assessment made by opponents. Results show that initial differences in RHP always lead to perfectly transitive chains whose rank order reflects the importance of initial differences. Even when simulated animals make important errors while assessing each other during round robin tournaments, emerging dominance structures are perfectly linear and ranks obtained in the structure are highly correlated with initial values in RHPs. Moreover, accumulated experiences of victory and/or defeat alone always lead to perfectly linear hierarchies. Their combination with initial individual differences in RHP led to the same conclusion. Even when assessment was far from being perfect, not only perfect chains were formed but initial values in RHPs significantly influenced rank order when the contribution of victory and defeat to RHP was relatively unimportant. The higher the importance of victory and defeat to RHP as compared to that of initial RHP values, the lower was the correlation between initial RHP values and the ranks order reached by individuals in the resultant hierarchies. In general also, the lower the variation within initial RHPs, the lower was the correlation between initial RHPs and ranks in the hierarchy. At a given level of initial RHP dispersion, increasing the contribution of victory and defeat to RHP diminished the correlation between initial RHP values and obtained ranks. In addition, inaccurate assessment reduced the overall correlation, especially when dispersion of initial RHP values was low and the contribution of victory and defeat relatively unimportant. These results shed some light on the controversy about the respective roles of initial individual attributes and that of patterns of resolution in the formation of animal hierarchies. We present the emergence of social order within closed systems as those simulated here as a case of self-organization. |
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no |
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Equine Behaviour @ team @ |
Serial |
4290 |
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| Author |
Briard, L.; Deneubourg, J.-L.; Petit, O. |
| Title |
How stallions influence the dynamic of collective movements in two groups of domestic horses, from departure to arrival |
Type |
Journal Article |
| Year |
2017 |
Publication |
Behavioural Processes |
Abbreviated Journal |
Behav. Process. |
| Volume |
142 |
Issue |
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Pages |
56-63 |
| Keywords |
consensus; herding; polygyny; personal leadership; shared decision |
| Abstract |
Abstract The role of leader in polygynous species has been solely attributed to the male for some time, but recent studies shown decision making to be distributed within the group. However, the specific reproductive strategy and behavioural repertoire of males in polygynous species such as horses may mean that these individuals still have the potential to play a specific role during decision-making. To investigate this subject, we thoroughly studied the behaviour of two domestic stallions during collective movements of their group. We found that they initiated rarely and sometimes failed to recruit the entire group. When departing as followers, they did not accelerate the joining process. Both stallions preferentially occupied the rear position and exhibited numerous monitoring behaviours. Herding behaviours were performed by only one stallion and mostly occurred outside movement context. Finally, we removed this herding stallion from its group to evaluate how the group dynamic changed. As a result, half of the collective movements were five times slower and mares were more dispersed in comparison when the stallion was in the group. Overall, our results suggest that, the two stallions maintained their role of group monitors from departure to arrival. Their influence on the movement dynamic was indirect and did not play a specific role in the process of decision making. |
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0376-6357 |
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no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
6151 |
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| Author |
Beauchamp, G. |
| Title |
Individual Differences In Activity And Exploration Influence Leadership In Pairs Of Foraging Zebra Finches |
Type |
Journal Article |
| Year |
2000 |
Publication |
Behaviour |
Abbreviated Journal |
Behaviour |
| Volume |
137 |
Issue |
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Pages |
301-314 |
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| Abstract |
This study investigated the role of dominance and level of activity and exploration on leadership in zebra finches (Taenopygia guttata) searching for food. In pairs of zebra finches fairly matched in size and that experienced the same level of food deprivation, the same bird consistently reached first one foraging patch over several trials. The same pattern of arrival to food occurred when resources were provided in two distant patches available concurrently, a situation that would potentially allow subordinates a greater access to resources. In further testing, the formation of new pairs with the same birds led to several changes in leadership, indicating that leadership is not an absolute feature. The member of a pair that proved to be the most active and exploratory during independent, solitary trials became the leader in nearly all pairs tested. The same pattern held true in newly rearranged pairs where individuals often experienced changes in dominance status. Dominance failed to be associated with leadership in all tests. The results suggest that in a relatively egalitarian species, level of activity and exploration may be a stronger predictor of leadership than dominance. |
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no |
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Equine Behaviour @ team @ |
Serial |
4698 |
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| Author |
Hausberger, M.; Richard-Yris, M.-A. |
| Title |
Individual differences in the domestic horse, origins, development and stability |
Type |
Book Chapter |
| Year |
2005 |
Publication |
The domestic horse : the origins, development, and management of its behaviour |
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Pages |
33-52 |
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Cambridge University Press 2005 |
Place of Publication |
Cambridge |
Editor |
Mills, D.S.; McDonnell, |
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13 978-0-521-81414-6 |
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no |
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Equine Behaviour @ team @ Feh2005 |
Serial |
4819 |
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| Author |
Appleby, M.C. |
| Title |
Social Rank and Food Access in Red Deer Stags |
Type |
Journal Article |
| Year |
1980 |
Publication |
Behaviour |
Abbreviated Journal |
Behaviour |
| Volume |
74 |
Issue |
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Pages |
294-309 |
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| Abstract |
The behaviour of a free-living group of male red deer (Cervus elaphus L.) on the Isle of Rhum, Scotland, was studied throughout the year to investigate the relations between social dominance and food access. The study is based on the collection of agonistic interactions between members of the study group outside the rutting season. Analysis of these confirmed that dyadic dominance relationships summate to a very clear agonistic hierarchy, while seasonal changes in frequency and type of interactions suggested that rank in the hierarchy may affect access to food through direct feeding interference. This would constitute a selective advantage of the acquisition of high rank. A behaviour pattern in which a stag displaces a subordinate and takes over his feeding-site is proposed as a mechanism of direct feeding interference. It occurs throughout the year, but with a frequency closely related to changes in food availability and quality. The proportion of such interactions that an individual wins is related to his rank, so advantages gained from this behaviour would primarily benefit high-ranking stags. These are likely to consist of improved body condition and winter survival. The importance of high rank in obtaining access to limited food was supported by the results of a simple experiment providing a small area of fertilized grass. Most of the grazing in the area was due to the highest-ranking stag present at any time. |
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no |
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Equine Behaviour @ team @ |
Serial |
4860 |
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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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| Author |
Cheney, D.L.; Seyfarth, R.M. |
| Title |
Reconciliation and redirected aggression in vervet monkeys, Behaviour |
Type |
Journal Article |
| Year |
1989 |
Publication |
Behaviour |
Abbreviated Journal |
Behaviour |
| Volume |
110 |
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258-275 |
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no |
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Equine Behaviour @ team @ |
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4865 |
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| Author |
Manson, J.H. |
| Title |
Male aggression: a cost of female mate choice in Cayo Santiago rhesus macaques |
Type |
Journal Article |
| Year |
1994 |
Publication |
Animal Behaviour. |
Abbreviated Journal |
Anim. Behav. |
| Volume |
48 |
Issue |
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Pages |
473-475 |
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10.1006/anbe.1994.1262 |
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Equine Behaviour @ team @ |
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4888 |
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