| Records |
| Author |
Anderson, C.; Franks, N.R. |
| Title |
Teams in animal societies |
Type |
Journal Article |
Year  |
2001 |
Publication |
Behavioral Ecology |
Abbreviated Journal |
Behav. Ecol. |
| Volume |
12 |
Issue |
5 |
Pages |
534-540 |
| Keywords |
animal societies, cooperation, division of labor, groups, invertebrates, task types, teams, vertebrates |
| Abstract |
We review the existence of teams in animal societies. Teams have previously been dismissed in all but a tiny minority of insect societies. “Team” is a term not generally used in studies of vertebrates. We propose a new rigorous definition of a team that may be applied to both vertebrate and invertebrate societies. We reconsider what it means to work as a team or group and suggest that there are many more teams in insect societies than previously thought. A team task requires different subtasks to be performed concurrently for successful completion. There is a division of labor within a team. Contrary to previous reviews of teams in social insects, we do not constrain teams to consist of members of different castes and argue that team members may be interchangeable. Consequently, we suggest that a team is simply the set of individuals that performs a team task. We contrast teams with groups and suggest that a group task requires the simultaneous performance and cooperation of two or more individuals for successful completion. In a group, there is no division of labor--each individual performs the same task. We also contrast vertebrate and invertebrate teams and find that vertebrate teams tend to be associated with hunting and are based on individual recognition. Invertebrate teams occur in societies characterized by a great deal of redundancy, and we predict that teams in insect societies are more likely to be found in large polymorphic (“complex”) societies than in small monomorphic (“simple”) societies. |
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10.1093/beheco/12.5.534 |
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2070 |
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| Author |
Couzin, I.D.; Krause, J.; James, R.; Ruxton, G.D.; Franks, N.R. |
| Title |
Collective Memory and Spatial Sorting in Animal Groups |
Type |
Journal Article |
| Year |
2002 |
Publication |
Journal of Theoretical Biology |
Abbreviated Journal |
J. Theor. Biol. |
| Volume |
218 |
Issue |
1 |
Pages |
1-11 |
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| Abstract |
We present a self-organizing model of group formation in three-dimensional space, and use it to investigate the spatial dynamics of animal groups such as fish schools and bird flocks. We reveal the existence of major group-level behavioural transitions related to minor changes in individual-level interactions. Further, we present the first evidence for collective memory in such animal groups (where the previous history of group structure influences the collective behaviour exhibited as individual interactions change) during the transition of a group from one type of collective behaviour to another. The model is then used to show how differences among individuals influence group structure, and how individuals employing simple, local rules of thumb, can accurately change their spatial position within a group (e.g. to move to the centre, the front, or the periphery) in the absence of information on their current position within the group as a whole. These results are considered in the context of the evolution and ecological importance of animal groups. |
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0022-5193 |
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Equine Behaviour @ team @ |
Serial |
5310 |
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Camazine, S.; Deneubourg, J.L.; Franks, N.R.; Sneyd, J.; Theraula, G.; Bonabeau, E. |
| Title |
Self-Organization in Biological Systems |
Type |
Book Whole |
| Year |
2003 |
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Princeton University Press |
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Princeton |
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978-0691116242 |
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no |
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Equine Behaviour @ team @ |
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5143 |
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Couzin, I.D.; Krause, J.; Franks, N.R.; Levin, S.A. |
| Title |
Effective leadership and decision-making in animal groups on the move |
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Journal Article |
| Year |
2005 |
Publication |
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Nature |
| Volume |
433 |
Issue |
7025 |
Pages |
513-516 |
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0028-0836 |
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10.1038/nature03236 |
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Equine Behaviour @ team @ |
Serial |
4827 |
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| Author |
Franks, N.R.; Richardson, T. |
| Title |
Teaching in tandem-running ants |
Type |
Journal Article |
| Year |
2006 |
Publication |
Nature |
Abbreviated Journal |
Nature |
| Volume |
439 |
Issue |
7073 |
Pages |
153 |
| Keywords |
*Animal Communication; Animals; Ants/*physiology; Feedback/physiology; Learning/*physiology; *Teaching |
| Abstract |
The ant Temnothorax albipennis uses a technique known as tandem running to lead another ant from the nest to food--with signals between the two ants controlling both the speed and course of the run. Here we analyse the results of this communication and show that tandem running is an example of teaching, to our knowledge the first in a non-human animal, that involves bidirectional feedback between teacher and pupil. This behaviour indicates that it could be the value of information, rather than the constraint of brain size, that has influenced the evolution of teaching. |
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School of Biological Sciences, University of Bristol, Bristol BS8 IUG, UK. nigel.franks@bristol.ac.uk |
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English |
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1476-4687 |
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PMID:16407943 |
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no |
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Equine Behaviour @ team @ |
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4651 |
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