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| Author | Boy V, D.P. | ||||
| Title | Time-budgets of Camargue horses, I. Development changes in the time-budgets of foals | Type | Journal Article | ||
| Year | 1979 | Publication | Abbreviated Journal | Behaviour | |
| Volume | 71 | Issue | Pages | 187-202 | |
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| Notes | from Professor Hans Klingels Equine Reference List | Approved | no | ||
| Call Number | Serial | 966 | |||
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| Author | Duncan P, | ||||
| Title | Time-budgets of Camrgue horses; II. Time- budgets of adult horses and weaned sub-adults | Type | Journal Article | ||
| Year | 1979 | Publication | Abbreviated Journal | Behaviour | |
| Volume | 72 | Issue | Pages | 26-49 | |
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| Notes | from Professor Hans Klingels Equine Reference List | Approved | no | ||
| Call Number | Serial | 1029 | |||
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| Author | Kiley, | ||||
| Title | The tail movements of ungulates, canids and felids with particular reference to their causation and function as displays | Type | Journal Article | ||
| Year | 1976 | Publication | Abbreviated Journal | Behaviour | |
| Volume | 56 | Issue | Pages | 69-115 | |
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| Notes | from Professor Hans Klingels Equine Reference List | Approved | no | ||
| Call Number | Serial | 1262 | |||
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| Author | Schloeth R, | ||||
| Title | Zur Psychologie der Begegnung zwischen Tieren | Type | Journal Article | ||
| Year | 1956 | Publication | Abbreviated Journal | Behaviour | |
| Volume | 10 | Issue | Pages | 1-80 | |
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| Notes | from Professor Hans Klingels Equine Reference List | Approved | no | ||
| Call Number | Serial | 1572 | |||
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| Author | WARING GH et al, | ||||
| Title | The behaviour of horses | Type | Book Chapter | ||
| Year | Publication | Abbreviated Journal | In: Behaviour of domestic animals | ||
| Volume | Issue | Pages | 330-369 | ||
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| Notes | from Professor Hans Klingels Equine Reference List | Approved | no | ||
| Call Number | Serial | 1698 | |||
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| Author | Boinski, S. | ||||
| Title | Dispersal patterns among three species of squirrel monkeys (Saimiri oerstedii, S. boliviensis and S. sciureus): III. Cognition | Type | Journal Article | ||
| Year | 2005 | Publication | Behaviour | Abbreviated Journal | Behaviour |
| Volume | 142 | Issue | Pages | 679-699 | |
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| Call Number | refbase @ user @ | Serial | 3509 | ||
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| Author | Hemelrijk,C. K.; Wantia,J.; Gygax,L. | ||||
| Title | The construction of dominance order: comparing performance of five methods using an individual-based model | Type | Journal Article | ||
| Year | 2005 | Publication | Behaviour | Abbreviated Journal | Behaviour |
| Volume | 142 | Issue | 8 | Pages | 1043-1064 |
| Keywords | dominance order, ranking method, agent-based model, statistical method, aggression | ||||
| Abstract | In studies of animal behaviour investigators correlate dominance with all kinds of behavioural variables, such as reproductive success and foraging success. Many methods are used to produce a dominance hierarchy from a matrix reflecting the frequency of winning dominance interactions. These different methods produce different hierarchies. However, it is difficult to decide which ranking method is best. In this paper, we offer a new procedure for this decision: we use an individual-based model, called DomWorld, as a test-environment. We choose this model, because it provides access to both the internal dominance values of artificial agents (which reflects their fighting power) and the matrix of winning and losing among them and, in addition, because its behavioural rules are biologically inspired and its group-level patterns resemble those of real primates. We compare statistically the dominance hierarchy based on the internal dominance values of the artificial agents with the dominance hierarchy produced by ranking individuals by (a) their total frequency of winning, (b) their average dominance index, (c) a refined dominance index, the David`s score, (d) the number of subordinates each individual has and (e) a ranking method based on maximizing the linear order of the hierarchy. Because dominance hierarchies may differ depending on group size, type of society, and the interval of study, we compare these ranking methods for these conditions.We study complete samples as well as samples randomly chosen to resemble the limitations of observing real animals. It appears that two methods of medium complexity (the average dominance index and David`s score) lead to hierarchical orders that come closest to the hierarchy based on internal dominance values of the agents. We advocate usage of the average dominance index, because of its computational simplicity. |
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| Call Number | refbase @ user @ | Serial | 445 | ||
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| Author | Feh, C. | ||||
| Title | Relationships and Communication in Socially Natural Horse Herds | Type | Book Chapter | ||
| Year | 2005 | Publication | The domestic horse : the origins, development, and management of its behaviour | Abbreviated Journal | The domestic horse : the origins, development, and management of its behaviour |
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| Abstract | Horses are quite unique. In most mammals, sexes segregate and maintain bonds only during the breeding season (Clutton-Brock, 1989). Some canids, a few rodents and primate species such as gorillas, hamadryas baboons and red howler monkeys are the exception, where the same males stay with the same females all year round and over many breeding seasons. Typically, both sexes disperse at puberty in these species. In horses, it was clearly shown that the causes for female dispersal were incest avoidance and not intra-specific competition (Monard, 1996). As a rule, this is confirmed for mammal species where tenure length by males exceeds the age at first reproduction in females (Clutton-Brock, 1989). When horses are allowed to choose their mating partner freely, the inbreeding coefficient of the offspring is lower than expected should they mate randomly (Duncan et al, 1984). | ||||
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| Publisher | Cambridge University Press 2005 | Place of Publication | Cambridge | Editor | Mills, D. S. ; McDonnell, , S. M. |
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| ISSN | ISBN | 13 978-0-521-81414-6 | Medium | ||
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| Notes | Approved | no | |||
| Call Number | refbase @ user @; Equine Behaviour @ team @ room B 3.092 | Serial | 472 | ||
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| Author | Chase, I.D.; Tovey, C.; Murch, P. | ||||
| Title | Two's Company, Three's a Crowd: Differences in Dominance Relationships in Isolated Versus Socially Embedded Pairs of Fish | Type | Journal Article | ||
| Year | 2003 | Publication | Behaviour | Abbreviated Journal | Behaviour |
| Volume | 140 | Issue | 10 | Pages | 1193-1217 |
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| Abstract | We performed experiments with cichlid fish to test whether several basic aspects of dominance were the same in isolated pairs as in pairs within a social group of three or four. We found that the social context, whether a pair was isolated or within a group, strongly affected the basic properties of dominance relationships. In particular, the stability of relationships over time, the replication of relationships in successive meetings, and the extent of the loser effect were all significantly less in socially embedded pairs than in isolated pairs. We found no significant winner effect in either isolated or socially embedded pairs. These findings call into question many current approaches to dominance that do not consider social context as an important factor in dominance behavior. These findings also cast serious doubt on the validity of empirical and theoretical approaches based on dyadic interactions. Among these approaches are game theoretic models for the evolution of aggressive behavior, experimental designs evaluating how asymmetries in attributes influence the outcome of dominance | ||||
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| Call Number | refbase @ user @ | Serial | 857 | ||
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| Author | Hemelrijk, C.K. | ||||
| Title | Despotic societies, sexual attraction and the emergence of male 'tolerance': an agent-based model | Type | Journal Article | ||
| Year | 2002 | Publication | Behaviour | Abbreviated Journal | Behaviour |
| Volume | 139 | Issue | 6 | Pages | 729-747 |
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| Abstract | During the period when females are sexually attractive – but only then – males of certain species of primates, such as chimpanzees, allow females access to resources. Because males are usually dominant over females, such male 'tolerance' is explained as a special, reproductive strategy to gain access to females. In this paper a simpler hypothesis is proposed on the basis of an individual-based model (called DomWorld): male 'tolerance' towards females arises in 'despotic' artificial societies as a kind of 'respectful timidity', because sexual attraction automatically increases female dominance over males as a side-effect. The model consists in a homogeneous, virtual world with agents that group and perform dominance-interactions in which the effects of victory and defeat are self-reinforcing. The artificial sexes differ in that VirtualMales have a higher intensity of aggression, they start with a greater capacity to win conflicts than VirtualFemales and they are especially attracted to the opposite sex during certain periods, whereas VirtualFemales are not. I shall explain how the introduction into DomWorld of the attraction of VirtualMales by VirtualFemales leads to female dominance, why it does so only in despotic, but not in egalitarian societies, and how it leads to other phenomena that are relevant to the study of primate behaviour. | ||||
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| Notes | Approved | no | |||
| Call Number | refbase @ user @ | Serial | 864 | ||
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