| Records |
| Author |
Couzin, I.D.; Krause, J.; Franks, N.R.; Levin, S.A. |
| Title |
Effective leadership and decision-making in animal groups on the move |
Type |
Journal Article |
| Year |
2005 |
Publication  |
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Abbreviated Journal |
Nature |
| Volume |
433 |
Issue |
7025 |
Pages |
513-516 |
| Keywords |
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| Abstract |
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| Address |
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Place of Publication |
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Summary Language |
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Original Title |
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| Series Editor |
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Series Title |
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Abbreviated Series Title |
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Series Issue |
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Edition |
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| ISSN |
0028-0836 |
ISBN |
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Expedition |
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Conference |
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| Notes |
10.1038/nature03236 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
4827 |
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| Author |
Croft, D. P.; James, R..; Krause, J. (eds) |
| Title |
Exploring Animal Social Networks |
Type |
Book Whole |
| Year |
2008 |
Publication |
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Abbreviated Journal |
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| Volume |
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Issue |
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Pages |
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| Address |
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Thesis |
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| Publisher |
Princton University Press |
Place of Publication |
Princton |
Editor |
Croft, D. P.; James, R..; Krause, J. |
| Language |
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Summary Language |
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Original Title |
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| Series Editor |
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Series Title |
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Abbreviated Series Title |
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| Series Volume |
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Series Issue |
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Edition |
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| ISSN |
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ISBN |
9780691127521 |
Medium |
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| Area |
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Expedition |
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Conference |
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| Notes |
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Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
5139 |
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| Author |
Guttridge, T.L.; Dijk, S.; Stamhuis, E.J.; Krause, J.; Gruber, S.H.; Brown, C. |
| Title |
Social learning in juvenile lemon sharks, Negaprion brevirostris |
Type |
Journal Article |
| Year |
2013 |
Publication |
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Abbreviated Journal |
Animal Cognition |
| Volume |
16 |
Issue |
1 |
Pages |
55-64 |
| Keywords |
Local and stimulus enhancement; Group living; Social facilitation; Social information use; Elasmobranchs |
| Abstract |
Social learning is taxonomically widespread and can provide distinct behavioural advantages, such as in finding food or avoiding predators more efficiently. Although extensively studied in bony fishes, no such empirical evidence exists for cartilaginous fishes. Our aim in this study was to experimentally investigate the social learning capabilities of juvenile lemon sharks, Negaprion brevirostris. We designed a novel food task, where sharks were required to enter a start zone and subsequently make physical contact with a target in order to receive a food reward. Naive sharks were then able to interact with and observe (a) pre-trained sharks, that is, ‘demonstrators’, or (b) sharks with no previous experience, that is, ‘sham demonstrators’. On completion, observer sharks were then isolated and tested individually in a similar task. During the exposure phase observers paired with ‘demonstrator’ sharks performed a greater number of task-related behaviours and made significantly more transitions from the start zone to the target, than observers paired with ‘sham demonstrators’. When tested in isolation, observers previously paired with ‘demonstrator’ sharks completed a greater number of trials and made contact with the target significantly more often than observers previously paired with ‘sham demonstrators’. Such experience also tended to result in faster overall task performance. These results indicate that juvenile lemon sharks, like numerous other animals, are capable of using socially derived information to learn about novel features in their environment. The results likely have important implications for behavioural processes, ecotourism and fisheries. |
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| Publisher |
Springer-Verlag |
Place of Publication |
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Editor |
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| Language |
English |
Summary Language |
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Original Title |
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Series Title |
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Series Issue |
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Edition |
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| ISSN |
1435-9448 |
ISBN |
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Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
5697 |
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| Author |
Krause, J.; James, R.; Franks, D.W.; Croft, D. P. |
| Title |
Animal Social Networks. |
Type |
Book Whole |
| Year |
2015 |
Publication |
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Issue |
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Pages |
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| Publisher |
Oxford University Press |
Place of Publication |
Oxford |
Editor |
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| Notes |
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Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
5883 |
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| Author |
Couzin, I.D.; Krause, J. |
| Title |
Self-Organization and Collective Behavior in Vertebrates |
Type |
Book Chapter |
| Year |
2003 |
Publication |
Advances in the Study of Behavior |
Abbreviated Journal |
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| Volume |
32 |
Issue |
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Pages |
1-75 |
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| Publisher |
Academic Press |
Place of Publication |
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Editor |
Peter J. B. Slater, J.S.R., Charles T. Snowdon and Timothy J. Roper |
| Language |
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Summary Language |
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Original Title |
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Series Title |
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Series Issue |
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Edition |
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| ISSN |
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ISBN |
0065-3454 |
Medium |
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Conference |
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| Notes |
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Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
5144 |
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| Author |
Faria, J.J.; Dyer, J.R.G.; Tosh, C.R.; Krause, J. |
| Title |
Leadership and social information use in human crowds |
Type |
Journal Article |
| Year |
2010 |
Publication |
Animal Behaviour. |
Abbreviated Journal |
Anim. Behav. |
| Volume |
79 |
Issue |
4 |
Pages |
895-901 |
| Keywords |
collective animal behaviour; group; human; inadvertent social cue; information; leadership |
| Abstract |
One of the big challenges for group-living animals is to find out who in a group has pertinent information (regarding food or predators) at any moment in time, because informed individuals may not be obviously recognizable to other group members. We found that individuals in human groups were capable of identifying those with information, and this identification increased group performance: the speed and accuracy of groups in reaching a target. Using video analysis we found how informed individuals might have been identified by other group members by means of inadvertent social cues (such as starting order, time spent following and group position). Furthermore, we were able to show that at least one of these cues, the group position of informed individuals, was indeed correlated with group performance. Our final experiment confirmed that leadership was even more efficient when the group members were given the identity of the leader. We discuss the effect of information status regarding the presence and identity of leaders on collective animal behaviour. |
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Edition |
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| ISSN |
0003-3472 |
ISBN |
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Conference |
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| Notes |
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Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
5192 |
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| Author |
Krause, J.; Bumann, D.; Todt, D. |
| Title |
Relationship between the position preference and nutritional state of individuals in schools of juvenile roach (Rutilus rutilus) |
Type |
Journal Article |
| Year |
1992 |
Publication |
Behavioral Ecology and Sociobiology |
Abbreviated Journal |
Behav. Ecol. Sociobiol. |
| Volume |
30 |
Issue |
3 |
Pages |
177-180 |
| Keywords |
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| Abstract |
Position preferences of well-fed and food-deprived juvenile roach were investigated in schools of 2 and 4 fish in the laboratory. Food-deprived fish appeared significantly more often in the front position than their well-fed conspecifics. For fish at the same hunger level, individuals at the front of the school had the highest feeding rate. These results represent the first evidence for a relationship between the nutritional state of individual fish and their positions in a school and suggest a functional advantage of the preference. |
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| Notes |
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Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
5140 |
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| Author |
Krause, J.; Croft, D.; James, R. |
| Title |
Social network theory in the behavioural sciences: potential applications |
Type |
Journal Article |
| Year |
2007 |
Publication |
Behavioral Ecology and Sociobiology |
Abbreviated Journal |
Behav. Ecol. Sociobiol. |
| Volume |
62 |
Issue |
1 |
Pages |
15-27 |
| Keywords |
Social networks – Social organisation – Mate choice – Disease transmission – Information transfer – Cooperation |
| Abstract |
Abstract Social network theory has made major contributions to our understanding of human social organisation but has found relatively little application in the field of animal behaviour. In this review, we identify several broad research areas where the networks approach could greatly enhance our understanding of social patterns and processes in animals. The network theory provides a quantitative framework that can be used to characterise social structure both at the level of the individual and the population. These novel quantitative variables may provide a new tool in addressing key questions in behavioural ecology particularly in relation to the evolution of social organisation and the impact of social structure on evolutionary processes. For example, network measures could be used to compare social networks of different species or populations making full use of the comparative approach. However, the networks approach can in principle go beyond identifying structural patterns and also can help with the understanding of processes within animal populations such as disease transmission and information transfer. Finally, understanding the pattern of interactions in the network (i.e. who is connected to whom) can also shed some light on the evolution of behavioural strategies. |
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| Notes |
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Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
5171 |
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| Author |
James, R.; Croft, D.; Krause, J. |
| Title |
Potential banana skins in animal social network analysis |
Type |
Journal Article |
| Year |
2009 |
Publication |
Behavioral Ecology and Sociobiology |
Abbreviated Journal |
Behav. Ecol. Sociobiol. |
| Volume |
63 |
Issue |
7 |
Pages |
989-997-997 |
| Keywords |
Biomedical and Life Sciences |
| Abstract |
Social network analysis is an increasingly popular tool for the study of the fine-scale and global social structure of animals. It has attracted particular attention by those attempting to unravel social structure in fission–fusion populations. It is clear that the social network approach offers some exciting opportunities for gaining new insights into social systems. However, some of the practices which are currently being used in the animal social networks literature are at worst questionable and at best over-enthusiastic. We highlight some of the areas of method, analysis and interpretation in which greater care may be needed in order to ensure that the biology we extract from our networks is robust. In particular, we suggest that more attention should be given to whether relational data are representative, the potential effect of observational errors and the choice and use of statistical tests. The importance of replication and manipulation must not be forgotten, and the interpretation of results requires care. |
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| Publisher |
Springer Berlin / Heidelberg |
Place of Publication |
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Series Title |
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Series Issue |
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Edition |
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| ISSN |
0340-5443 |
ISBN |
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| Notes |
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Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
5206 |
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| Author |
Krause, S.; Mattner, L.; James, R.; Guttridge, T.; Corcoran, M.; Gruber, S.; Krause, J. |
| Title |
Social network analysis and valid Markov chain Monte Carlo tests of null models |
Type |
Journal Article |
| Year |
2009 |
Publication |
Behavioral Ecology and Sociobiology |
Abbreviated Journal |
Behav. Ecol. Sociobiol. |
| Volume |
63 |
Issue |
7 |
Pages |
1089-1096-1096 |
| Keywords |
Biomedical and Life Sciences |
| Abstract |
Analyses of animal social networks derived from group-based associations often rely on randomisation methods developed in ecology (Manly, Ecology 76:1109–1115, 1995) and made available to the animal behaviour community through implementation of a pair-wise swapping algorithm by Bejder et al. (Anim Behav 56:719–725, 1998). We report a correctable flaw in this method and point the reader to a wider literature on the subject of null models in the ecology literature. We illustrate the importance of correcting the method using a toy network and use it to make a preliminary analysis of a network of associations among eagle rays. |
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| Publisher |
Springer Berlin / Heidelberg |
Place of Publication |
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Original Title |
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Abbreviated Series Title |
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Series Issue |
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Edition |
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| ISSN |
0340-5443 |
ISBN |
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| Notes |
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Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
5208 |
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