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Author |
Galef, B.G.; Laland, K.N. |
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Title |
Social Learning in Animals: Empirical Studies and Theoretical Models |
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Journal Article |
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Year |
2005 |
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BioScience |
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55 |
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6 |
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489-499 |
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AbstractThe last two decades have seen a virtual explosion in empirical research on the role of social interactions in the development of animals' behavioral repertoires, and a similar increase in attention to formal models of social learning. Here we first review recent empirical evidence of social influences on food choice, tool use, patterns of movement, predator avoidance, mate choice, and courtship, and then consider formal models of when animals choose to copy behavior, and which other animals' behavior they copy, together with empirical tests of predictions from those models. |
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0006-3568 |
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10.1641/0006-3568(2005)055[0489:Sliaes]2.0.Co;2 |
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Call Number |
Equine Behaviour @ team @ |
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6398 |
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Author |
Quaresmini, C.; Forrester, G.S.; Spiezio, C.; Vallortigara, G. |
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Title |
Social environment elicits lateralized behaviors in gorillas (Gorilla gorilla gorilla) and chimpanzees (Pan troglodytes) |
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Journal Article |
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Year |
2014 |
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Journal of Comparative Psychology |
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128 |
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3 |
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276-284 |
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*Animal Ethology; *Animal Social Behavior; *Chimpanzees; *Gorillas; *Social Influences; Cerebral Dominance; Lateral Dominance; Social Environments |
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Abstract |
The influence of the social environment on lateralized behaviors has now been investigated across a wide variety of animal species. New evidence suggests that the social environment can modulate behavior. Currently, there is a paucity of data relating to how primates navigate their environmental space, and investigations that consider the naturalistic context of the individual are few and fragmented. Moreover, there are competing theories about whether only the right or rather both cerebral hemispheres are involved in the processing of social stimuli, especially in emotion processing. Here we provide the first report of lateralized social behaviors elicited by great apes. We employed a continuous focal animal sampling method to record the spontaneous interactions of a captive zoo-living colony of chimpanzees (Pan troglodytes) and a biological family group of peer-reared western lowland gorillas (Gorilla gorilla gorilla). We specifically focused on which side of the body (i.e., front, rear, left, right) the focal individual preferred to keep conspecifics. Utilizing a newly developed quantitative corpus-coding scheme, analysis revealed both chimpanzees and gorillas demonstrated a significant group-level preference for focal individuals to keep conspecifics positioned to the front of them compared with behind them. More interestingly, both groups also manifested a population-level bias to keep conspecifics on their left side compared with their right side. Our findings suggest a social processing dominance of the right hemisphere for context-specific social environments. Results are discussed in light of the evolutionary adaptive value of social stimulus as a triggering factor for the manifestation of group-level lateralized behaviors. (PsycINFO Database Record (c) 2016 APA, all rights reserved) |
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Quaresmini, Caterina: Department of Psychology and Cognitive Sciences, University of Trento, Corso Bettini 31, Rovereto, Italy, 38068, caterina.quaresmini@gmail.com |
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American Psychological Association |
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1939-2087(Electronic),0735-7036(Print) |
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Equine Behaviour @ team @ 2014-13828-001 |
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6396 |
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Liberg, O.; Chapron, G.; Wabakken, P.; Pedersen, H.C.; Hobbs, N.T.; Sand, H. |
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Title |
Shoot, shovel and shut up: cryptic poaching slows restoration of a large carnivore in Europe |
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Journal Article |
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Year |
2012 |
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Proc Biol Sci |
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Proc. R. Soc. Lond. B |
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279 |
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1730 |
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910-915 |
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Poaching is a widespread and well-appreciated problem for the conservation of many threatened species. Because poaching is illegal, there is strong incentive for poachers to conceal their activities, and consequently, little data on the effects of poaching on population dynamics are available. Quantifying poaching mortality should be a required knowledge when developing conservation plans for endangered species but is hampered by methodological challenges. We show that rigorous estimates of the effects of poaching relative to other sources of mortality can be obtained with a hierarchical state-space model combined with multiple sources of data. Using the Scandinavian wolf (Canis lupus) population as an illustrative example, we show that poaching accounted for approximately half of total mortality and more than two-thirds of total poaching remained undetected by conventional methods, a source of mortality we term as 'cryptic poaching'. Our simulations suggest that without poaching during the past decade, the population would have been almost four times as large in 2009. Such a severe impact of poaching on population recovery may be widespread among large carnivores. We believe that conservation strategies for large carnivores considering only observed data may not be adequate and should be revised by including and quantifying cryptic poaching. |
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no |
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Equine Behaviour @ team @ |
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6380 |
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Author |
Chapron, G.; Treves, A. |
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Title |
Blood does not buy goodwill: allowing culling increases poaching of a large carnivore |
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Journal Article |
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2016 |
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Proc Biol Sci |
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Proc. R. Soc. Lond. B |
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283 |
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1830 |
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Quantifying environmental crime and the effectiveness of policy interventions is difficult because perpetrators typically conceal evidence. To prevent illegal uses of natural resources, such as poaching endangered species, governments have advocated granting policy flexibility to local authorities by liberalizing culling or hunting of large carnivores. We present the first quantitative evaluation of the hypothesis that liberalizing culling will reduce poaching and improve population status of an endangered carnivore. We show that allowing wolf (Canis lupus) culling was substantially more likely to increase poaching than reduce it. Replicated, quasi-experimental changes in wolf policies in Wisconsin and Michigan, USA, revealed that a repeated policy signal to allow state culling triggered repeated slowdowns in wolf population growth, irrespective of the policy implementation measured as the number of wolves killed. The most likely explanation for these slowdowns was poaching and alternative explanations found no support. When the government kills a protected species, the perceived value of each individual of that species may decline; so liberalizing wolf culling may have sent a negative message about the value of wolves or acceptability of poaching. Our results suggest that granting management flexibility for endangered species to address illegal behaviour may instead promote such behaviour. |
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Equine Behaviour @ team @ |
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6379 |
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Author |
Briefer, E.F.; Haque, S.; Baciadonna, L.; McElligott, A.G. |
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Title |
Goats excel at learning and remembering a highly novel cognitive task |
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Journal Article |
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Year |
2014 |
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Frontiers in Zoology |
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Front. Zool. |
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11 |
Issue |
1 |
Pages |
20 |
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The computational demands of sociality (maintaining group cohesion, reducing conflict) and ecological problems (extractive foraging, memorizing resource locations) are the main drivers proposed to explain the evolution cognition. Different predictions follow, about whether animals would preferentially learn new tasks socially or not, but the prevalent view today is that intelligent species should excel at social learning. However, the predictions were originally used to explain primate cognition, and studies of species with relatively smaller brains are rare. By contrast, domestication has often led to a decrease in brain size, which could affect cognition. In domestic animals, the relaxed selection pressures compared to a wild environment could have led to reduced social and physical cognition. Goats possess several features commonly associated with advanced cognition, such as successful colonization of new environments and complex fission-fusion societies. Here, we assessed goat social and physical cognition as well as long-term memory of a complex two-step foraging task (food box cognitive challenge), in order to investigate some of the main selection pressures thought to affect the evolution of ungulate cognition. |
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1742-9994 |
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Equine Behaviour @ team @ Briefer2014 |
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6376 |
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Author |
Langbein, J.; Siebert, K.; Nuernberg, G. |
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Title |
Concurrent recall of serially learned visual discrimination problems in dwarf goats (Capra hircus) |
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Journal Article |
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2008 |
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Behav Proc |
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79 |
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Equine Behaviour @ team @ Langbein2008 |
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6363 |
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Briefer, E.F.; McElligott, A.G. |
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Rescued goats at a sanctuary display positive mood after former neglect |
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2013 |
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Appl Anim Behav Sci |
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146 |
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Equine Behaviour @ team @ Briefer2013 |
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6287 |
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Briefer, E.F.; Padilla de la Torre, M.; McElligott, A.G. |
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Mother goats do not forget their kids' calls |
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2012 |
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Proc R Soc B |
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279 |
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Equine Behaviour @ team @ Briefer2012 |
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6282 |
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Fagot, J.; Cook, R.G. |
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Evidence for large long-term memory capacities in baboons and pigeons and its implications for learning and the evolution of cognition |
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2006 |
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Proc Natl Acad Sci U S A |
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103 |
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Equine Behaviour @ team @ Fagot2006 |
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6278 |
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Baciadonna, L.; McElligott, A.G.; Briefer, E.F. |
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Goats favour personal over social information in an experimental foraging task |
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2013 |
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Peer J |
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1 |
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Equine Behaviour @ team @ Baciadonna2013 |
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6269 |
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