| Records |
| Author |
Zeder, M.A. |
Title  |
Pathways to animal domestication |
Type |
Book Chapter |
| Year |
2011 |
Publication |
Harlan II: Biodiversity in Agriculture: Domestication, Evolution, and Sustainability |
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University of California |
Place of Publication |
Davis |
Editor |
Damania, A.; Gepts, P. |
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Equine Behaviour @ team @ Zeder2011 |
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6316 |
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| Author |
Pusey, A.E. |
| Title |
Sex-biased dispersal and inbreeding avoidance in birds and mammals |
Type |
Journal Article |
| Year |
1987 |
Publication |
Trends in Ecology & Evolution |
Abbreviated Journal |
Trends. Ecol. Evol |
| Volume |
2 |
Issue |
10 |
Pages |
295-299 |
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| Abstract |
Sex differences in dispersal distance are widespread in birds and mammals, but the predominantly dispersing sex differs consistently between the classes. There has been persistent debate over the relative importance of two factors -- intrasexual competition and inbreeding avoidance -- in producing sex-biased dispersal, and over the sources of the difference in dispersal patterns between the two classes. Recent studies cast new light on these questions. |
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0169-5347 |
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no |
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Equine Behaviour @ team @ |
Serial |
5326 |
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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 |
389-411 |
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| Publisher |
Taylor & Francis |
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0394-9370 |
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doi: 10.1080/03949370.2014.986768 |
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Equine Behaviour @ team @ |
Serial |
6688 |
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| Author |
Wilson, S. D.; Clark, A. B.; Coleman, K.; Dearstyne, T. |
| Title |
Shyness and boldness in humans and other animals |
Type |
Journal Article |
| Year |
1994 |
Publication |
Trends in Ecology & Evolution |
Abbreviated Journal |
Trends. Ecol. Evol |
| Volume |
9 |
Issue |
11 |
Pages |
442-446 |
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| Abstract |
The shy-bold continuum is a fundamental axis of behavioral variation in humans and at least some other species, but its taxonomic distribution and evolutionary implications are unknown. Models of optimal risk, density- or frequency-dependent selection, and phenotypic plasticity can provide a theoretical framework for understanding shyness and boldness as a product of natural selection. We sketch this framework and review the few empirical studies of shyness and boldness in natural populations. The study of shyness and boldness adds an interesting new dimension to behavioral ecology by focusing on the nature of continuous behavioral variation that exists within the familiar categories of age, sex and size. |
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0169-5347 |
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no |
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Equine Behaviour @ team @ |
Serial |
5161 |
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| Author |
Chance, M.R.A.; Mead, A.P |
| Title |
Social behaviour and primate evolution. Symposia of the Society for Experimental Biology, |
Type |
Journal Article |
| Year |
1953 |
Publication |
Evolution |
Abbreviated Journal |
Evolution |
| Volume |
7 |
Issue |
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Pages |
395-439 |
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no |
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Equine Behaviour @ team @ |
Serial |
4786 |
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| Author |
Creel, S. |
| Title |
Social dominance and stress hormones |
Type |
Journal Article |
| Year |
2001 |
Publication |
Trends in Ecology & Evolution |
Abbreviated Journal |
Trends. Ecol. Evol |
| Volume |
16 |
Issue |
9 |
Pages |
491-497 |
| Keywords |
Dominance; rank; stress; glucocorticoids; cooperative breeding; sociality; behavioural endocrinology; mammals |
| Abstract |
In most cooperatively breeding birds and mammals, reproductive rates are lower for social subordinates than for dominants, and it is common for reproduction in subordinates to be completely suppressed. Early research conducted in captivity showed that losing fights can increase glucocorticoid (GC) secretion, a general response to stress. Because GCs can suppress reproduction, it has been widely argued that chronic stress might underlie reproductive suppression of social subordinates in cooperative breeders. Contradicting this hypothesis, recent studies of cooperative breeders in the wild show that dominant individuals have elevated GCs more often than do subordinates. The findings that elevated GCs can be a consequence of subordination or a cost of dominance complicate the conventional view of social stress, with broad ramifications for the evolution of dominance and reproductive suppression. |
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Equine Behaviour @ team @ |
Serial |
4072 |
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| Author |
Krueger, K. |
| Title |
Social Ecology of Horses |
Type |
Book Chapter |
| Year |
2008 |
Publication |
Ecology of Social Evolution |
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Issue |
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Pages |
195-206 |
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Horses (Equidae ) are believed to clearly demonstrate the links between ecology and social organization. Their social cognitive abilities enable them to succeed in many different environments, including those provided for them by humans, or the ones domestic horses encounter when escaping from their human care takers. Living in groups takes different shapes in equids. Their aggregation and group cohesion can be explained by Hamilton“s selfish herd theory. However, when an individual joins and to which group it joins appears to be an active individual decision depending on predation pressure, intra group harassment and resource availability. The latest research concerning the social knowledge horses display in eavesdropping experiments affirms the need for an extension of simple herd concepts in horses for a cognitive component. Horses obviously realize the social composition of their group and determine their own position in it. The horses exceedingly flexible social behavior demands for explanations about the cognitive mechanisms, which allow them to make individual decisions. ”Ecology conditions like those that favour the evolution of open behavioural programs sometimes also favour the evolution of the beginnings of consciousness, by favouring conscious choice. Or in other words, consciousness originates with the choice that are left open by open behavioural programs." Popper (1977) |
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Springer Verlag |
Place of Publication |
Heidelberg |
Editor |
j. Korb and J. Heinze |
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Equine Behaviour @ team @ |
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4387 |
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| Author |
Connor, R.C.; Mann, J.; Tyack, P.L.; Whitehead, H. |
| Title |
Social evolution in toothed whales |
Type |
Journal Article |
| Year |
1998 |
Publication |
Trends in Ecology & Evolution |
Abbreviated Journal |
Trends. Ecol. Evol |
| Volume |
13 |
Issue |
6 |
Pages |
228-232 |
| Keywords |
odontocetes; toothed whales; social evolution; communication; bottlenose dolphins; sperm whales; long-term studies; foraging |
| Abstract |
Two contrasting results emerge from comparisons of the social systems of several odontocetes with terrestrial mammals. Researchers have identified remarkable convergence in prominent features of the social systems of odontocetes such as the sperm whale and bottlenose dolphin with a few well-known terrestrial mammals such as the elephant and chimpanzee. In contrast, studies on killer whales and Baird's beaked whale reveal novel social solutions to aquatic living. The combination of convergent and novel features in odontocete social systems promise a more general understanding of the ecological determinants of social systems in both terrestrial and aquatic habitats, as well as the relationship between relative brain size and social evolution. |
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0169-5347 |
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no |
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Equine Behaviour @ team @ |
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4789 |
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| Author |
van Schaik, C.P. |
| Title |
Social learning and culture in animals |
Type |
Book Chapter |
| Year |
2010 |
Publication |
Animal Behaviour: Evolution and Mechanisms |
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Pages |
623-653 |
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Life Sciences |
| Abstract |
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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Editor |
Kappeler, P. |
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978-3-642-02624-9 |
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no |
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Equine Behaviour @ team @ |
Serial |
5268 |
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| Author |
Rankin, D.J.; Lopez-Sepulcre, A.; Foster, K.R.; Kokko, H. |
| Title |
Species-level selection reduces selfishness through competitive exclusion |
Type |
Journal Article |
| Year |
2007 |
Publication |
Journal of Evolutionary Biology |
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| Volume |
20 |
Issue |
4 |
Pages |
1459-1468 |
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Abstract Adaptation does not necessarily lead to traits which are optimal for the population. This is because selection is often the strongest at the individual or gene level. The evolution of selfishness can lead to a .tragedy of the commons., where traits such as aggression or social cheating reduce population size and may lead to extinction. This suggests that species-level selection will result whenever species differ in the incentive to be selfish. We explore this idea in a simple model that combines individual-level selection with ecology in two interacting species. Our model is not influenced by kin or trait-group selection. We find that individual selection in combination with competitive exclusion greatly increases the likelihood that selfish species go extinct. A simple example of this would be a vertebrate species that invests heavily into squabbles over breeding sites, which is then excluded by a species that invests more into direct reproduction. A multispecies simulation shows that these extinctions result in communities containing species that are much less selfish. Our results suggest that species-level selection and community dynamics play an important role in regulating the intensity of conflicts in natural populations. |
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Equine Behaviour @ team @ |
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4225 |
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