| Records |
Author  |
de Waal, F.B. |
| Title |
Cultural primatology comes of age |
Type |
Journal Article |
| Year |
1999 |
Publication |
Nature |
Abbreviated Journal |
Nature |
| Volume |
399 |
Issue |
6737 |
Pages |
635-636 |
| Keywords |
Animals; *Behavior, Animal; *Culture; Humans; Pan troglodytes/*physiology |
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| ISSN |
0028-0836 |
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| Notes |
PMID:10385107 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
196 |
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| Author |
Crook, J.H. |
| Title |
On attributing consciousness to animals |
Type |
Journal Article |
| Year |
1983 |
Publication |
Nature |
Abbreviated Journal |
Nature |
| Volume |
303 |
Issue |
5912 |
Pages |
11-14 |
| Keywords |
Animals; *Behavior, Animal; Cognition; *Consciousness; Evolution; Learning |
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0028-0836 |
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| Notes |
PMID:6843653 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
2795 |
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| 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 |
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0028-0836 |
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| Notes |
10.1038/nature03236 |
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no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
4827 |
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| Author |
Conradt, L.; Roper, T.J. |
| Title |
Group decision-making in animals |
Type |
Journal Article |
| Year |
2003 |
Publication |
Nature |
Abbreviated Journal |
Nature |
| Volume |
421 |
Issue |
6919 |
Pages |
155-158 |
| Keywords |
Animals; Behavior, Animal/*physiology; *Decision Making; Democracy; Group Processes; *Models, Biological; Population Density; Social Behavior |
| Abstract |
Groups of animals often need to make communal decisions, for example about which activities to perform, when to perform them and which direction to travel in; however, little is known about how they do so. Here, we model the fitness consequences of two possible decision-making mechanisms: 'despotism' and 'democracy'. We show that under most conditions, the costs to subordinate group members, and to the group as a whole, are considerably higher for despotic than for democratic decisions. Even when the despot is the most experienced group member, it only pays other members to accept its decision when group size is small and the difference in information is large. Democratic decisions are more beneficial primarily because they tend to produce less extreme decisions, rather than because each individual has an influence on the decision per se. Our model suggests that democracy should be widespread and makes quantitative, testable predictions about group decision-making in non-humans. |
| Address |
School of Biological Sciences, University of Sussex, Brighton BN1 9QG, UK. l.conradt@sussex.ac.uk |
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0028-0836 |
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| Notes |
PMID:12520299 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
5136 |
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| Author |
Clutton-Brock, T.H.; Parker, G.A. |
| Title |
Punishment in animal societies |
Type |
Journal Article |
| Year |
1995 |
Publication |
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Abbreviated Journal |
Nature |
| Volume |
373 |
Issue |
6511 |
Pages |
209-216 |
| Keywords |
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| Abstract |
Although positive reciprocity (reciprocal altruism) has been a focus of interest in evolutionary biology, negative reciprocity (retaliatory infliction of fitness reduction) has been largely ignored. In social animals, retaliatory aggression is common, individuals often punish other group members that infringe their interests, and punishment can cause subordinates to desist from behaviour likely to reduce the fitness of dominant animals. Punishing strategies are used to establish and maintain dominance relationships, to discourage parasites and cheats, to discipline offspring or prospective sexual partners and to maintain cooperative behaviour. |
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| Notes |
10.1038/373209a0 |
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no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
4838 |
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| Author |
Clutton-Brock, T.H. |
| Title |
Primate social organisation and ecology |
Type |
Journal Article |
| Year |
1974 |
Publication |
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Abbreviated Journal |
Nature |
| Volume |
250 |
Issue |
5467 |
Pages |
539-542 |
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| Abstract |
Attempts to relate interspecific differences in social organisation among primates to gross differences in habitat or diet type have been largely unsuccessful. This is probably partly because distantly related species have adapted to similar ecological situations in different ways and partly because much finer ecological differences are important. |
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| Notes |
10.1038/250539a0 |
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no |
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Equine Behaviour @ team @ |
Serial |
4730 |
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| Author |
Clutton-Brock, T. |
| Title |
Cooperation between non-kin in animal societies |
Type |
Journal Article |
| Year |
2009 |
Publication |
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Abbreviated Journal |
Nature |
| Volume |
462 |
Issue |
7269 |
Pages |
51-57 |
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| Abstract |
Explanations of cooperation between non-kin in animal societies often suggest that individuals exchange resources or services and that cooperation is maintained by reciprocity. But do cooperative interactions between unrelated individuals in non-human animals really resemble exchanges or are they a consequence of simpler mechanisms? Firm evidence of reciprocity in animal societies is rare and many examples of cooperation between non-kin probably represent cases of intra-specific mutualism or manipulation. |
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Macmillan Publishers Limited. All rights reserved |
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0028-0836 |
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| Notes |
10.1038/nature08366 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
5270 |
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| Author |
Clayton, N.S.; Dickinson, A. |
| Title |
Episodic-like memory during cache recovery by scrub jays |
Type |
Journal Article |
| Year |
1998 |
Publication |
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Abbreviated Journal |
Nature |
| Volume |
395 |
Issue |
6699 |
Pages |
272-274 |
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| Abstract |
The recollection of past experiences allows us to recall what a particular event was, and where and when it occurred1,2, a form of memory that is thought to be unique to humans3. It is known, however, that food-storing birds remember the spatial location4, 5, 6 and contents6, 7, 8, 9 of their caches. Furthermore, food-storing animals adapt their caching and recovery strategies to the perishability of food stores10, 11, 12, 13, which suggests that they are sensitive to temporal factors. Here we show that scrub jays (Aphelocoma coerulescens) remember 'when' food items are stored by allowing them to recover perishable 'wax worms' (wax-moth larvae) and non-perishable peanuts which they had previously cached in visuospatially distinct sites. Jays searched preferentially for fresh wax worms, their favoured food, when allowed to recover them shortly after caching. However, they rapidly learned to avoid searching for worms after a longer interval during which the worms had decayed. The recovery preference of jays demonstrates memory of where and when particular food items were cached, thereby fulfilling the behavioural criteria for episodic-like memory in non-human animals. |
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0028-0836 |
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| Notes |
10.1038/26216 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
4788 |
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| Author |
Chittka, L.; Dyer, A. |
| Title |
Cognition: Your face looks familiar |
Type |
Journal Article |
| Year |
2012 |
Publication |
Nature |
Abbreviated Journal |
Nature |
| Volume |
481 |
Issue |
7380 |
Pages |
154-155 |
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Nature Publishing Group, a division of Macmillan Publishers Limited. All Rights Reserved. |
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0028-0836 |
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| Notes |
10.1038/481154a |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
5494 |
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| Author |
Brosnan, S.F.; De Waal, F.B.M. |
| Title |
Monkeys reject unequal pay |
Type |
Journal Article |
| Year |
2003 |
Publication |
Nature |
Abbreviated Journal |
Nature |
| Volume |
425 |
Issue |
6955 |
Pages |
297-299 |
| Keywords |
Aging; Animals; Cebus/*psychology; Choice Behavior; *Cooperative Behavior; Female; Male; *Reward; Social Justice |
| Abstract |
During the evolution of cooperation it may have become critical for individuals to compare their own efforts and pay-offs with those of others. Negative reactions may occur when expectations are violated. One theory proposes that aversion to inequity can explain human cooperation within the bounds of the rational choice model, and may in fact be more inclusive than previous explanations. Although there exists substantial cultural variation in its particulars, this 'sense of fairness' is probably a human universal that has been shown to prevail in a wide variety of circumstances. However, we are not the only cooperative animals, hence inequity aversion may not be uniquely human. Many highly cooperative nonhuman species seem guided by a set of expectations about the outcome of cooperation and the division of resources. Here we demonstrate that a nonhuman primate, the brown capuchin monkey (Cebus apella), responds negatively to unequal reward distribution in exchanges with a human experimenter. Monkeys refused to participate if they witnessed a conspecific obtain a more attractive reward for equal effort, an effect amplified if the partner received such a reward without any effort at all. These reactions support an early evolutionary origin of inequity aversion. |
| Address |
Living Links, Yerkes National Primate Research Center, Emory University, Atlanta, Georgia 30329, USA. sbrosna@emory.edu |
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English |
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1476-4687 |
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| Notes |
PMID:13679918 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
179 |
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