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Author McLeod, P.G.; Huntingford, F.A.
Title Social rank and predator inspection in sticklebacks Type Journal Article
Year 1994 Publication Animal Behaviour. Abbreviated Journal Anim. Behav.
Volume 47 Issue (up) 5 Pages 1238-1240
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Call Number refbase @ user @ Serial 525
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Author Ord, T.J.; Peters, R.A.; Evans, C.S.; Taylor, A.J.
Title Digital video playback and visual communication in lizards Type Journal Article
Year 2002 Publication Animal Behaviour. Abbreviated Journal Anim. Behav.
Volume 63 Issue (up) 5 Pages 879-890
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Abstract Experimental analyses of dynamic visual signals have to overcome the technical obstacle of reproducing complex motor patterns such as those found in courtship and threat displays. Video playback offers a potential solution to this problem, but it has recently been criticized because of sensory differences between humans and nonhuman animals, which suggest that video stimuli might be perceived as deficient relative to live conspecifics. Quantitative comparisons are therefore necessary to determine whether video sequences reliably evoke natural responses. Male Jacky dragons, Amphibolurus muricatus, compete for territories using complex displays delivered in a rapid stereotyped sequence. We evaluated video playback as a technique for studying this visual signal. Digital video sequences depicting a life-sized displaying male were indistinguishable from live male conspecifics in the rate and structure of aggressive displays evoked. Other measures of social behaviour suggested that video stimuli were more effective in this context. Lizards produced significantly more appeasement displays and had higher rates of substrate licking and locomotor activity in response to video playback than to confined male opponents, which failed to produce aggressive displays. Lizards tracked temporal changes in the display rate of video stimuli and were also sensitive to individual differences in morphology and behaviour between video exemplars. These results show that video stimuli are appropriate for the experimental analysis of Jacky dragon aggressive displays. We compare the potential shortcomings of video playback with those of other techniques and conclude that no approach offers a panacea, but that several have complementary characteristics. Copyright 2002 The Association for the Study of Animal Behaviour. Published by Elsevier Science Ltd. All rights reserved.
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Call Number refbase @ user @ Serial 540
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Author Chalmeau, R.; Visalberghi, E.; Gallo, A.
Title Capuchin monkeys,Cebus apellafail to understand a cooperative task Type Journal Article
Year 1997 Publication Animal Behaviour. Abbreviated Journal Anim. Behav.
Volume 54 Issue (up) 5 Pages 1215-1225
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Abstract We investigated whether capuchin monkeys cooperate to solve a task and to what extent they take into account the behaviour of another individual when cooperating. Two groups of capuchin monkeys (N=5 and 6) were tested in a task whose solution required simultaneous pulling of two handles which were too far from one another to be pulled by one monkey. Before carrying out the cooperation study, individual monkeys were trained to pull one handle (training phase 1) and to pull two handles simultaneously (training phase 2) for a food reward. Nine subjects were successful in training phase 1, and five in training phase 2. In the cooperation study seven subjects were successful, that is, pulled one handle while a companion pulled the other. Further analyses revealed that capuchins did not increase their pulling actions when a partner was close to or at the other handle, that is, when cooperation might occur. These data suggest that capuchin monkeys acted together at the task and got the reward without understanding the role of the partner and without taking its behaviour into consideration. Social tolerance, as well as their tendency to explore and their manual dexterity, were the major factors accounting for the capuchins' success.
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Call Number refbase @ user @ Serial 571
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Author Avital, E.; Jablonka, E.
Title Social learning and the evolution of behaviour Type Journal Article
Year 1994 Publication Animal Behaviour. Abbreviated Journal Anim. Behav.
Volume 48 Issue (up) 5 Pages 1195-1199
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Abstract Abstract. In animals capable of learning from a parent or other individual, socially acquired behaviour can be transmitted through several generations. When the inheritance of variations in such behaviour is independent of genotypic variations, natural selection can operate on an additional level. Direct evolution of behaviour becomes possible, and this may alter the estimates of costs and benefits of behaviour patterns for the individual who transmits them. It is suggested that the effects of maternally transmitted behaviour contribute to the evolution of maternal behavioural strategies, and to the evolution of behaviour associated with male-female conflict.
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Call Number refbase @ user @ Serial 574
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Author Galef,, Bennett G.
Title Why behaviour patterns that animals learn socially are locally adaptive Type Journal Article
Year 1995 Publication Animal Behaviour. Abbreviated Journal Anim. Behav.
Volume 49 Issue (up) 5 Pages 1325-1334
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Abstract Recent models of the social transmission of behaviour by animals have repeatedly led their authors to the counterintuitive (and counterfactual) conclusion that traditional behaviour patterns in animals are often not locally adaptive. This deduction results from the assumption in such models that frequency of expression of socially learned behaviour patterns is not affected by rewards or punishments contingent upon their expression. An alternative approach to analysis of social learning processes, based on Staddon-Simmelhag's conditioning model, is proposed here. It is assumed that social interactions affect the probability of introduction of novel behaviour patterns into a naive individual's repertoire and that consequences of engaging in a socially learned behaviour determine whether that behaviour continues to be expressed. Review of several recently analysed instances of animal social learning suggests that distinguishing processes that introduce behaviour patterns into the repertoires of individuals from processes that select among behavioural alternatives aids in understanding observed differences in the longevity of various traditional behaviour patterns studied in both laboratory and field. Finally, implications of the present approach for understanding the role of social learning in evolutionary process are discussed.
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Call Number refbase @ user @ Serial 578
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Author Byrnl, R.W.; Tomasello, M.
Title Do rats ape? Type Journal Article
Year 1995 Publication Animal Behaviour. Abbreviated Journal Anim. Behav.
Volume 50 Issue (up) 5 Pages 1417-1420
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Call Number refbase @ user @ Serial 589
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Author Heyes, C.M.
Title Imitation and flattery: a reply to Byrne & Tomasello Type Journal Article
Year 1995 Publication Animal Behaviour. Abbreviated Journal Anim. Behav.
Volume 50 Issue (up) 5 Pages 1421-1424
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Call Number refbase @ user @ Serial 593
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Author Eccles, T.R.; Shackleton, D.M.
Title Correlates and consequences of social status in female bighorn sheep Type Journal Article
Year 1986 Publication Animal Behaviour. Abbreviated Journal Anim. Behav.
Volume 34 Issue (up) 5 Pages 1392-1401
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Abstract Dominance-subordinance relationships among a captive group of adule bighorn sheep (Ovis canadensis californiana) were studied from May 1977 to December 1978. Social interactions between females were brief in duration and infrequent. Although a dominance hierarchy was evident among the females, it was not linear. Horn length and body weight were not consistently correlated with social status. The highest ranking females were the most aggressive individuals, initiating more agonistic interactions than subordinates. Females with high social status did not have higher quality diets, lower activity costs, or higher productivity than low ranking females.
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Call Number refbase @ user @ Serial 753
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Author Clutton-Brock, T.H.; Parker, G.A.
Title Sexual coercion in animal societies Type Journal Article
Year 1995 Publication Animal Behaviour. Abbreviated Journal Anim. Behav.
Volume 49 Issue (up) 5 Pages 1345-1365
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Abstract In a wide range of animal species, males coerce females to mate with them, either by physically forcing them to mate, by harassing them until they mate or by punishing persistent refusal to mate. The first section of this paper argues that the possibility of forced copulation can generate arms races between males and females that may have substantial costs to both sexes. In the second section, it is suggested that sexual harassment commonly represents a `war of attrition' between the sexes; existing game theory models that may apply to sexual conflict over mating decisions are reviewed. The third section develops a simple prospective model for the evolution of intimidation by punishment in situations where males can raise the probability that females will accept their advances in future by punishing them for refusal to mate. Where the benefits of sexual coercion to males are high, all three male strategies may develop to a point where they have substantial costs to females. In the final section, evidence that female behaviour is adapted to minimizing these costs is reviewed.
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Call Number refbase @ user @ Serial 757
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Author Janson, C.H.
Title Social correlates of individual spatial choice in foraging groups of brown capuchin monkeys, Cebus apella Type Journal Article
Year 1990 Publication Animal Behaviour. Abbreviated Journal Anim. Behav.
Volume 40 Issue (up) 5 Pages 910-921
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Abstract Individuals in a foraging group of wild bronwn capuchin monkeys choose different spatial positions relative to the rest of the group. Markov analysis of sequencess of individual spatial positions demonstrated significant differnces between individuals, which coul be categorized a posteriori into four homogenous subgroups. An individual's spatial position was related primarily to the amount of aggression it received from the group's dominant male, but also varied with its sex. Spatial choice varied with changes in an individual's social status, but did not vary consistently with seasonal differences in food availability. These results support the hypothesis that individuals compete for preferred spatial positions within a foraging group.
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Call Number refbase @ user @ Serial 773
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