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Author Rubenstein D. I.,
Title Reproductive value and behavioral strategies: coming of age in monkeys and horses Type Journal Article
Year 1982 Publication Perspectives in Ethology Abbreviated Journal Perspect Ethol
Volume 5 Issue Pages (down) 469-487
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Notes from Professor Hans Klingels Equine Reference List Approved no
Call Number Serial 1525
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Author Podos, J.
Title Early perspectives on the evolution of behavior: Charles Otis Whitman and Oskar Heinroth Type Journal Article
Year 1964 Publication Ethology Ecology & Evolution (EEE) Abbreviated Journal Ethol Ecol Evol
Volume 6 Issue 4 Pages (down) 467-480
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Call Number Equine Behaviour @ team @ Serial 2293
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Author Harcourt, J.L.; Biau, S.; Johnstone, R.; Manica, A.
Title Boldness and Information Use in Three-Spined Sticklebacks Type Journal Article
Year 2010 Publication Ethology Abbreviated Journal Ethology
Volume 116 Issue 5 Pages (down) 440-447
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Abstract Abstract In foraging groups, individuals may utilise information from their social environment to aid decision making when choosing where to search for food. Little work has looked at the costs or benefits of behavioural differences, such as consistent individual variation in boldness, with respect to learning ability. Here, we investigate the response of three-spined stickleback (Gasterosteus aculeatus) to ‘social cues’, ‘local enhancement’ and ‘public information’ during foraging tasks. Our results confirm previous work suggesting that this species responds to social cues and local enhancement but not public information. Variation in boldness did not affect the use of different types of information. However, time taken to make a choice and reach a patch varied between fish with different levels of boldness. Contrary to expectation, shy fish were the more variable individuals, having a greater range of reaction times when responding to the tasks. This suggests that individual behavioural differences still play a role when utilising information obtained from the environment and may influence the relative benefits that could result in different contexts.
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Publisher Blackwell Publishing Ltd Place of Publication Editor
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ISSN 1439-0310 ISBN Medium
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Notes Approved no
Call Number Equine Behaviour @ team @ Serial 5198
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Author Bourjade, M.; Moulinot, M.; Henry, S.; Richard-Yris, M.-A. Hausberger.M
Title Could Adults be Used to Improve Social Skills of Young Horses, Equus caballus? Type Journal Article
Year 2008 Publication Ethology Abbreviated Journal Ethology
Volume 50 Issue 4 Pages (down) 408-417
Keywords horse • social influence • young-adult interaction • social development
Abstract We investigated the effects of the introduction of foreign adults on the behavior of young horses. First, we observed the behavior of 1- and 2-year-old domestic horses housed in same-age and same-sex groups (a standard housing system, but different from a natural situation). Then, two same-sex adults were introduced into each experimental group. Observations made before, during and after an introduction indicated that young horses reared in homogeneous groups of young had different behaviors compared to other domestic horses reared under more socially natural conditions. After the introduction of adults, young horses expressed new behaviors, preferential social associations emerged, positive social behavior increased and agonistic interactions decreased. These results have important implications both for understanding the influence that adults may have on the behavior of young horses, and in terms of husbandry, indicating the importance of keeping young horses with adults, although further studies are still necessary. © 2008 Wiley Periodicals, Inc. Dev Psychobiol 50: 408-417, 2008.
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Call Number Equine Behaviour @ team @ Serial 4800
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Author Meriggi, A.; Dagradi, V.; Dondina, O.; Perversi, M.; Milanesi, P.; Lombardini, M.; Raviglione, S.; Repossi, A.
Title Short-term responses of wolf feeding habits to changes of wild and domestic ungulate abundance in Northern Italy Type Journal Article
Year 2014 Publication Ethology Ecology & Evolution Abbreviated Journal Ethology Ecology & Evolution
Volume 27 Issue 4 Pages (down) 389-411
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Publisher Taylor & Francis Place of Publication Editor
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ISSN 0394-9370 ISBN Medium
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Notes doi: 10.1080/03949370.2014.986768 Approved no
Call Number Equine Behaviour @ team @ Serial 6688
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Author Fucikova, E.; Drent, P. J.; Smits,N.; van Oers, K.
Title Handling Stress as a Measurement of Personality in Great Tit Nestlings (Parus major) Type Journal Article
Year 2009 Publication Ethology Abbreviated Journal Ethology
Volume 115 Issue 4 Pages (down) 366 - 374
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Abstract nterest in personality is growing in a wide range of disciplines, but only in a few systems it is possible to assess the survival value of personality. Field studies looking at the relationship between personality and survival value early in life are greatly hampered by the fact that personality can at present only be assessed after individuals become independent from their parents. In passerines, for example, this is often after a period of intensive selection for the survival on fledglings. The main aim of this study is therefore to develop a method to measure personality before this period of selection. For this purpose, we developed the handling stress (HS) test. We measured HS in 14-d-old great tit nestlings by counting the number of breast movements (breath rate) in four subsequent 15-s bouts for 1 min; before and after they were socially isolated from their siblings for 15 min. To calculate the repeatability of HS, we repeated the test 6 mo later. To assess the relationship between HS and exploratory behaviour, we correlated the outcome of both tests. We ran tests both on birds of lines selected for extreme personality and on wild birds from a natural population. We found that birds selected for fast exploration reacted more to HS compared with birds selected for slow exploration and that HS was repeatable in different life phases. We confirmed this by finding an increase in the HS with increasing exploratory scores in wild birds. These results show that we can use the HS test as a measurement of personality, making it a potential tool for studying the relationship between personality and survival value early in life.
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Call Number Equine Behaviour @ team @ Serial 5072
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Author Bourjade, M.; Thierry, B.; Maumy, M.; Petit, O.
Title Decision-making in Przewalski horses (Equus ferus przewalskii) is driven by the ecological contexts of collective movements Type Journal Article
Year 2009 Publication Ethology Abbreviated Journal Ethology
Volume 115 Issue 4 Pages (down) 321-330
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Abstract We addressed decision-making processes in the collective movements of

two groups of Przewalski horses (Equus ferus przewalskii) living in a semi

free-ranging population. We investigated whether different patterns of

group movement are related to certain ecological contexts (habitat use

and group activity) and analysed the possible decision-making processes

involved. We found two distinct patterns; ‘single-bout’ and ‘multiplebout’

movements occurred in both study groups. The movements were

defined by the occurrence of collective stops between bouts and differed

by their duration, distance covered and ecological context. For both

movements, we found that a preliminary period involving several horses

occurred before departure. In single-bout movements, all group members

rapidly joined the first moving horse, independently of the preliminary

period. In multiple-bout movements, however, the joining

process was longer; in particular when the number of decision-makers

and their pre-departure behaviour before departure increased. Multiplebout

movements were more often used by horses to switch habitats and

activities. This observation demonstrates that the horses need more time

to resolve motivational conflicts before these departures. We conclude

that decision-making in Przewalski horses is based on a shared consensus

process driven by ecological determinants.
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Notes Approved no
Call Number Equine Behaviour @ team @ Serial 4801
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Author Partridge, B.L.
Title Internal dynamics and the interrelations of fish in schools Type Journal Article
Year 1981 Publication Journal of Comparative Physiology A: Neuroethology, Sensory, Neural, and Behavioral Physiology Abbreviated Journal J Comp Physiol Sensory Neural Behav Physiol
Volume 144 Issue 3 Pages (down) 313-325
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Abstract The three-dimensional structure of schools of saithe (Pollachius virens) and the interactions between individuals over time were analyzed in 12,240 frames of videotape sampled at 2.7 Hz. Time series analyses of the interactions between identified individuals allowed testing of assumptions of anonymity vs. leadership in schools and investigation of the transfer of information between individuals by which collective decisions are made. Results include the following:1.Saithe match changes in both swimming direction and speed of their neighbors but correlations are greater for swimming speed. Average speed of the school does not greatly affect correlations between neighboring fish although the reaction latencies may be somewhat increased. As shown previously (Partridge et al. 1980) nearest neighbor distance (NND) decreases with increasing school velocity.2.Saithe simultaneously match the headings and swimming speeds of at least their first two nearest neighbors within the school (NN1 and NN2). Partialling out the correlation between a fish's neighbors demonstrates that a fish's correlation to his second nearest neighbor (NN2) is not simply a transitive function of mutual correlation between the NN1 and NN2.3.Several sources of individual variation in schooling performance were examined. In all respects except one, that of preferred positions within the school, saithe showed no individual differences, i.e., some were not “better schoolers” than others. Although fish in the school differed in length by up to a factor of 2.5, no size related effects in NND or nearest neighbor positioning were found.4.Single Linkage Cluster Analysis (SLCA) of the cross-correlations of fishs' swimming speeds and directions demonstrated quantitatively the existence of subgroups within schools if they contain more than 10-11 members. Subgroups acting more-or-less independently in terms of short term variations in speed and direction nonetheless remained within the school as a whole and were not often apparent to observers since members of one group interdigitated with those of another. How individuals know to which subgroup they belong remains unanswered.
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Notes Approved no
Call Number Serial 2063
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Author Humphrey, N. K.
Title The social function of intellect. Type Book Chapter
Year 1976 Publication Growing Points in Ethology Abbreviated Journal
Volume Issue Pages (down) 303-317
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Publisher Cambridge University Press Place of Publication Cambridge Editor Bateson, P. P. G.; Hinde, R. A.
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Notes Approved no
Call Number Equine Behaviour @ team @ Serial 5459
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Author Lancet, Y.; Dukas, R.
Title Socially Influenced Behaviour and Learning in Locusts Type Journal Article
Year 2012 Publication Ethology Abbreviated Journal
Volume 118 Issue 3 Pages (down) 302-310
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Abstract As a part of our research on the evolution of social learning in insects, we examined socially influenced behaviour and social learning in desert locust (Schistocerca gregaria) nymphs and adults. In the nymphs, the only positive effect we documented was an increased tendency to feed while in the company of another locust than alone. The adults, on the other hand, showed significant preference for joining others (local enhancement) in both the contexts of feeding and egg laying. Neither nymphs nor adults, however, showed social learning. Our preliminary analyses pointed to locusts as a likely insect that might possess social learning. Our research, when taken together with research on phase-shifts and swarm/marching behaviour of gregarious locusts, suggests that the behavioural dynamics of gregarious locusts may make local enhancement but not social learning beneficial. The possible difference we documented between the nymphs and adults could enable us to further explore the proximate and ultimate mechanisms that underlie socially influenced behaviour.
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Publisher Blackwell Publishing Ltd Place of Publication Editor
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Series Editor Series Title Abbreviated Series Title
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ISSN 1439-0310 ISBN Medium
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Notes Approved no
Call Number Equine Behaviour @ team @ Serial 5593
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