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Author  |
Kraak, S.B.M. |
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Title |
`Copying mate choice': Which phenomena deserve this term? |
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1996 |
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Behavioural Processes |
Abbreviated Journal |
Behav. Process. |
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36 |
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1 |
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99-102 |
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Copying mate choice; Proximate/ultimate causes |
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1816 |
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Author |
Krueger, K.; Flauger, B. |
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Title |
Social feeding decisions in horses (Equus caballus) |
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Journal Article |
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2008 |
Publication |
Behavioural Processes |
Abbreviated Journal |
Behav. Process. |
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78 |
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1 |
Pages |
76-83 |
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Keywords |
Feeding decision; Horse; Rank; Social behaviour |
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Like many other herbivores, in a natural environment equids feed on rather evenly distributed resources. However, the vegetation in their vast habitats constantly changes. If food is plentiful only little competition occurs over food, and in non-competitive situations domestic horses tend to return to the same feeding site until it is overgrazed. In contrast, they compete over limited food for which the social status of the individuals appears to be important. Especially in ruminants several studies have proved an influence of social organisations, rank, sex and the depletion of feeding sites on the feeding behaviour of individuals. However, it is not yet understood whether and how social aspects affect horses“ feeding decisions. Curiosity about the influence of social rank on the horses” feeding decisions between two, equally with high-quality surplus food-filled buckets placed in different social feeding conditions, led us to create the test below. The observer horses were alternately tested with a dominant and a subordinate demonstrator placed in one of the three different positions. We conclude that domestic horses use social cognition and strategic decision making in order to decide where to feed in a social feeding situation. When possible they tend to return to the same, continuously supplied feeding site and switch to an “avoidance tendency” in the presence of dominant horses or when another horse is already feeding there. Thus, the social rank and the position of conspecifics affect the feeding strategy of horses. |
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Equine Behaviour @ team @ |
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4394 |
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Krueger, K.; Flauger, B. |
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Title |
Social learning in horses from a novel perspective |
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Journal Article |
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2007 |
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Behavioural Processes |
Abbreviated Journal |
Behav. Process. |
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76 |
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1 |
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37-39 |
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625 |
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Krueger, K.; Flauger, B.; Farmer, K.; Hemelrijk, C. |
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Title |
Movement initiation in groups of feral horses |
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2014 |
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Behavioural Processes |
Abbreviated Journal |
Behav. Process. |
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103 |
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91-101 |
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Horse; Equus ferus caballus; Distributed leadership; Herding; Departure; Rank |
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Abstract Herds of ungulates, flocks of birds, swarms of insects and schools of fish move in coordinated groups. Computer models show that only one or very few animals are needed to initiate and direct movement. To investigate initiation mechanisms further, we studied two ways in which movement can be initiated in feral horses: herding, and departure from the group. We examined traits affecting the likelihood of a horse initiating movement i.e. social rank, affiliative relationships, spatial position, and social network. We also investigated whether group members join a movement in dominance rank order. Our results show that whereas herding is exclusive to alpha males, any group member may initiate movement by departure. Social bonds, the number of animals interacted with, and the spatial position were not significantly associated with movement initiation. We did not find movement initiation by departure to be exclusive to any type of individual. Instead we find evidence for a limited form of distributed leadership, with higher ranking animals being followed more often. |
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0376-6357 |
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Equine Behaviour @ team @ |
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5738 |
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Krueger, K.; Schneider, G.; Flauger, B.; Heinze, J. |
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Title |
Context-dependent third-party intervention in agonistic encounters of male Przewalski horses |
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2015 |
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Behavioural Processes |
Abbreviated Journal |
Behav. Process. |
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121 |
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54-62 |
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Equus ferus przewalskii; Group conflict; Rank orders; Social bonds; Social control; Third-party intervention |
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Abstract One mechanism to resolve conflict among group members is third party intervention, for which several functions, such as kin protection, alliance formation, and the promotion of group cohesion have been proposed. Still, empirical research on the function of intervention behaviour is rare. We studied 40 cases of intervention behaviour in a field study on 13 semi-wild bachelor horses (Equus ferus przewalskii) in (a) standard social situations, and (b) when new horses joined the group (i.e. introductions). Only interventions in agonistic encounters were analysed. Eight of 13 animals directed intervention behaviour toward threatening animal in agonistic encounters of group members. One stallion was particularly active. The stallions did not intervene to support former group mates or kin and interventions were not reciprocated. In introduction situations and in standard social situations, the interveners supported animals which were lower in rank, but targeted, threatening animals of comparable social rank. After introductions, stallions received more affiliative behaviour from animals they supported and thus appeared to intervene for alliance formation. In standard social situations, interveners did not receive more affiliative behaviour from animals they supported and may primarily have intervened to promote group cohesion and to reduce social disruption within the group. |
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Equine Behaviour @ team @ |
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5925 |
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Author |
Ladewig, J. |
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Title |
Clever Hans is still whinnying with us |
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Journal Article |
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Year |
2007 |
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Behavioural Processes |
Abbreviated Journal |
Behav. Process. |
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76 |
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1 |
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20-21 |
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refbase @ user @ |
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631 |
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Author |
Lafferty, K.D. |
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Title |
Look what the cat dragged in: do parasites contribute to human cultural diversity? |
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Journal Article |
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2005 |
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Behavioural Processes |
Abbreviated Journal |
Behav. Process. |
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68 |
Issue |
3 |
Pages |
279-282 |
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Keywords |
Adaptation, Physiological/physiology; Adaptation, Psychological/physiology; Animals; Behavior/physiology; *Behavior Control; Cats/*parasitology; Cultural Diversity; Host-Parasite Relations; Humans; Personality/*physiology; Toxoplasma/*physiology; Toxoplasmosis/parasitology/*psychology |
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Western Ecological Research Center, United States Geological Survey, c/o Marine Science Institute, University of California, Santa Barbara, CA 93106, USA. lafferty@lifesci.ucsb.edu |
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English |
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0376-6357 |
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PMID:15792708 |
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Equine Behaviour @ team @ |
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4148 |
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Author |
Le Pendu, Y.; Guilhem, C.; Briedermann, L.; Maublanc, M.-L.; Gerard, J.-F. |
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Title |
Interactions and associations between age and sex classes in mouflon sheep (Ovis gmelini) during winter |
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2000 |
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Behavioural Processes |
Abbreviated Journal |
Behav. Process. |
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52 |
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2-3 |
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97-107 |
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Group composition; Interactive behaviour; Sexual segregation; Social organisation; Ungulate; Wild sheep |
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Equine Behaviour @ team @ |
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4248 |
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Author |
Le Scolan, N.; Hausberger, M.; Wolff, A. |
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Stability over situations in temperamental traits of horses as revealed by experimental and scoring approaches |
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1997 |
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Behavioural Processes |
Abbreviated Journal |
Behav. Process. |
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41 |
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3 |
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257-266 |
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Behavioural tests; Horse; Ratings; Temperament |
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Individual behavioural reactions of adult horses in a variety of experimental tests were compared with ratings by riding teachers. The tests were made in a non working situation, with the animals being released in an arena, a box (arena test, new object test, learning tests) or handled (new object/handling situation). The traits rated by teachers were fearfulness, nervousness, gregariousness and learning abilities at work (ridden or handled). Despite a great homogeneity in the reactions exhibited by the horses in the different situations, large individual differences were present. Correlations appeared between the reactivity in the arena test and the score of gregariousness, between the reactivity in the novel object test and the rating of nervousness when ridden, between the results in the handling test and the rating of general fearfulness and between the ability to memorise an instrumental task and the score of general learning ability. Such results strengthen the idea that there are underlying behavioural dispositions that are stable across situations and that the experimental tests may be good predictors of the temperament in untrained animals. |
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Equine Behaviour @ team @ |
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3591 |
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Author |
Leblanc, M.-A.; Duncan, P. |
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Can studies of cognitive abilities and of life in the wild really help us to understand equine learning? |
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2007 |
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Behavioural Processes |
Abbreviated Journal |
Behav. Process. |
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76 |
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49-52 |
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621 |
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