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Author |
Galef, B.G. |
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Title |
The adaptive value of social learning: a reply to Laland |
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1996 |
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Animal Behaviour. |
Abbreviated Journal |
Anim. Behav. |
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52 |
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3 |
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641-644 |
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refbase @ user @ |
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566 |
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Author |
Petit, O.; Bon, R. |
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Title |
Decision-making processes: The case of collective movements |
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Journal Article |
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2010 |
Publication |
Behavioural Processes |
Abbreviated Journal |
Behav. Process. |
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Volume |
84 |
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3 |
Pages |
635-647 |
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Consensus; Inter-individual relationships; Leadership; Self-organization; Social status |
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Abstract |
Besides focusing on the adaptive significance of collective movements, it is crucial to study the mechanisms and dynamics of decision-making processes at the individual level underlying the higher-scale collective movements. It is now commonly admitted that collective decisions emerge from interactions between individuals, but how individual decisions are taken, i.e. how far they are modulated by the behaviour of other group members, is an under-investigated question. Classically, collective movements are viewed as the outcome of one individual's initiation (the leader) for departure, by which all or some of the other group members abide. Individuals assuming leadership have often been considered to hold a specific social status. This hierarchical or centralized control model has been challenged by recent theoretical and experimental findings, suggesting that leadership can be more distributed. Moreover, self-organized processes can account for collective movements in many different species, even in those that are characterized by high cognitive complexity. In this review, we point out that decision-making for moving collectively can be reached by a combination of different rules, i.e. individualized (based on inter-individual differences in physiology, energetic state, social status, etc.) and self-organized (based on simple response) ones for any species, context and group size. |
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0376-6357 |
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Equine Behaviour @ team @ |
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5217 |
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Author |
McFarland, D.J. |
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Roger L. Mellgren, Editor, Animal Cognition and Behavior, North-Holland, Amsterdam (1983), p. xi |
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Year |
1984 |
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Animal Behaviour. |
Abbreviated Journal |
Anim. Behav. |
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Volume |
32 |
Issue |
2 |
Pages |
634-635 |
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Equine Behaviour @ team @ |
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2925 |
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Roberts, J.; Hunter, M.L.; Kacelnik, A. |
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Title |
The ground effect and acoustic communication |
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Year |
1981 |
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Animal Behaviour. |
Abbreviated Journal |
Anim. Behav. |
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29 |
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2 |
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633-634 |
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2123 |
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Povinelli DJ; Nelson KE; Boysen ST |
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Title |
Comprehension of role reversal in chimpanzees: evidence of empathy? |
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1992 |
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Animal Behaviour. |
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Anim. Behav. |
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43 |
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633 |
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Equine Behaviour @ team @ |
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3031 |
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Author |
Mitani, J.C. |
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Title |
Male chimpanzees form enduring and equitable social bonds |
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Journal Article |
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Year |
2009 |
Publication |
Animal Behaviour. |
Abbreviated Journal |
Anim. Behav. |
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Volume |
77 |
Issue |
3 |
Pages |
633-640 |
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Keywords |
chimpanzee; Pan troglodytes; social behaviour; social relationship |
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Controversy exists regarding the nature of primate social relationships. While individual primates are frequently hypothesized to form enduring social bonds with conspecifics, recent studies suggest that relationships are labile, with animals interacting only over short periods to satisfy their immediate needs. Here I use data collected over 10 years on a community of chimpanzees, Pan troglodytes, at Ngogo, Kibale National Park, Uganda, to investigate whether male chimpanzees establish long-term social relationships and to determine the factors that affect variation in relationship quality and the stability of social bonds. Kinship and dominance rank influenced the quality of relationships. Maternal brothers and males of the same dominance rank class groomed each other more equitably than did unrelated males and males that were dissimilar in rank. In addition, males that formed strong social bonds groomed more equitably than did males that displayed weaker bonds. Social bonds were stable over time, with relationships in one year predicting those in subsequent years. Kinship and the quality of social relationships affected bond stability. Maternal half siblings and males that groomed each other equitably maintained longer-lasting bonds than did nonkin and males that groomed each other unevenly. Virtually all of the males established at least one enduring relationship with another individual. The most enduring bonds formed between a few pairs of maternal brothers and dyads that maintained balanced grooming interactions. These results indicate that male chimpanzees maintain long-lasting and equitable social bonds whose formation is affected by maternal kinship and the quality of social relationships. |
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0003-3472 |
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Equine Behaviour @ team @ |
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5164 |
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Author |
Bang, A.; Deshpande, S.; Sumana, A.; Gadagkar, R. |
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Title |
Choosing an appropriate index to construct dominance hierarchies in animal societies: a comparison of three indices |
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Year |
2010 |
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Animal Behaviour |
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79 |
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3 |
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631-636 |
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dominance behaviour; dominance hierarchy; dominance index; dominance rank; Ropalidia cyathiformis; Ropalidia marginata; social wasp |
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A plethora of indices have been proposed and used to construct dominance hierarchies in a variety of vertebrate and invertebrate societies, although the rationale for choosing a particular index for a particular species is seldom explained. In this study, we analysed and compared three such indices, viz Clutton-Brock et al.'s index (CBI), originally developed for red deer, Cervus elaphus, David's score (DS) originally proposed by the statistician H. A. David and the frequency-based index of dominance (FDI) developed and routinely used by our group for the primitively eusocial wasps Ropalidia marginata and Ropalidia cyathiformis. Dominance ranks attributed by all three indices were strongly and positively correlated for both natural data sets from the wasp colonies and for artificial data sets generated for the purpose. However, the indices differed in their ability to yield unique (untied) ranks in the natural data sets. This appears to be caused by the presence of noninteracting individuals and reversals in the direction of dominance in some of the pairs in the natural data sets. This was confirmed by creating additional artificial data sets with noninteracting individuals and with reversals. Based on the criterion of yielding the largest proportion of unique ranks, we found that FDI is best suited for societies such as the wasps belonging to Ropalidia, DS is best suited for societies with reversals and CBI remains a suitable index for societies such as red deer in which multiple interactions are uncommon. |
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0003-3472 |
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Equine Behaviour @ team @ |
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5837 |
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Author |
Cuthill, I.C.; Kacelnik, A.; Krebs, J.R.; Haccou, P.; Iwasa, Y. |
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Title |
Starlings exploiting patches: the effect of recent experience on foraging decisions |
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Journal Article |
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Year |
1990 |
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Animal Behaviour. |
Abbreviated Journal |
Anim. Behav. |
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Volume |
40 |
Issue |
4 |
Pages |
625-640 |
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Laboratory and field experiments have shown that, as predicted by the marginal value model, starlings, Sturnus vulgaris, stay longer in a food patch when the average travel time between patches is long. A laboratory analogue of a patchy environment was used to investigate how starlings respond to rapidly fluctuating changes in travel time in order to find out the length of experience over which information is integrated. When there was a progressive increase in the amount of work required to obtain successive food items in a patch (experiment 1), birds consistently took more prey after long than after short travel times; travel experience before the most recent had no effect on the number of prey taken. Such behaviour does not maximize the rate of energy intake in this environment. The possibility that this is the result of a simple constraint on crop capacity is rejected as, when successive prey were equally easy to obtain up until a stepwise depletion of the patch (experiment 2), birds took equal numbers of prey per visit after long and short travel times: the rate-maximizing behaviour. A series of models are developed to suggest the possible constraints on optimal behaviour that affect starlings in the type of environment mimicked by experiment 1. |
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2118 |
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Duncan, P.; Vigne, N. |
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The effect of group size in horses on the rate of attacks by blood-sucking flies |
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1979 |
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Animal Behaviour. |
Abbreviated Journal |
Anim. Behav. |
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27 |
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Part 2 |
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623-625 |
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refbase @ user @ |
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763 |
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Author |
van Schaik, C.P. |
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Title |
Social learning and culture in animals |
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2010 |
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Animal Behaviour: Evolution and Mechanisms |
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623-653 |
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Life Sciences |
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Most animals must learn some of the behaviours in their repertoire, and some must learn most. Although learning is often thought of as an individual exercise, in nature much learning is social, i.e. under the influence of conspecifics. Social learners acquire novel information or skills faster and at lower cost, but risk learning false information or useless skills. Social learning can be divided into learning from social information and learning through social interaction. Different species have different mechanisms of learning from social information, ranging from selective attention to the environment due to the presence of others to copying of complete motor sequences. In vertical (or oblique) social learning, naïve individuals often learn skills or knowledge from parents (or other adults), whereas horizontal social learning is from peers, either immatures or adults, and more often concerns eavesdropping and public information use. Because vertical social learning is often adaptive, maturing individuals often have a preference for it over individual exploration. The more cognitively demanding social learning abilities probably evolved in this context, in lineages where offspring show long association with parents and niches are complex. Because horizontal learning can be maladaptive, especially when perishable information has become outdated, animals must decide when to deploy social learning. Social learning of novel skills can lead to distinct traditions or cultures when the innovations are sufficiently rare and effectively transmitted socially. Animal cultures may be common but to date taxonomic coverage is insufficient to know how common. Cultural evolution is potentially powerful, but largely confined to humans, for reasons currently unknown. A general theory of culture is therefore badly needed. |
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Springer Berlin Heidelberg |
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Kappeler, P. |
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978-3-642-02624-9 |
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Equine Behaviour @ team @ |
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5268 |
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