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Author Miklósi, Á.; Topál, J.; Csányi, V.
Title (up) Comparative social cognition: what can dogs teach us? Type Journal Article
Year 2004 Publication Animal Behaviour. Abbreviated Journal Anim. Behav.
Volume 67 Issue 6 Pages 995-1004
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Abstract Research in comparative social cognition addresses how challenges of social living have formed the cognitive structures that control behaviours involved in communication, social learning and social understanding. In contrast to the traditional psychological approach, recent investigations take both evolutionary and functional questions into account, but the main emphasis is still on the mechanisms of behaviour. Although in traditional research `comparative' meant mainly comparisons between humans and other primates, ethological influences have led to a broadening of the spectrum of species under study. In this review, we evaluated how the study of dogs broadens our understanding of comparative social cognition. In the early days of ethology, dogs enjoyed considerable interest from ethologists, but during the last 20 years, dogs have rarely been studied by ethological methods. Through a complex evolutionary process, dogs became adapted for living in human society; therefore, the human environment and social setting now represents a natural ecological niche for this species. We have evidence that dogs have been selected for adaptations to human social life, and that these adaptations have led to marked changes in their communicative, social, cooperative and attachment behaviours towards humans. Until now, the study of dogs was hindered by the view that they represent an `artificial' species, but by accepting that dogs are adapted to their niche, as are other `natural' species, comparative investigations can be put into new light.
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Call Number refbase @ user @ Serial 406
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Author Cloutier, S.; Newberry, R.C.; Honda, K.
Title (up) Comparison of social ranks based on worm-running and aggressive behaviour in young domestic fowl Type Journal Article
Year 2004 Publication Behavioural Processes Abbreviated Journal Behav. Process.
Volume 65 Issue 1 Pages 79-86
Keywords Aggression; Social behaviour; Dominance; Play; Chickens; Animal welfare
Abstract Worm-running is behaviour in which a chick runs carrying a worm-like object while flock mates follow and attempt to grab the object from its beak. We hypothesised that social ranks based on worm-running frequency are stable over time and are positively correlated with social ranks based on success in aggressive interactions when older. At 8-12 days of age, we scored worm-running in 17 groups of 12 female White Leghorn chicks during three 10-min tests. Based on instantaneous scans at 5-s intervals, the bird carrying the `worm' most often was placed in rank one and so on down the rank order. These tests were repeated at 68-70 days of age. An aggression index for each bird was calculated as the number of aggressive acts given, divided by the number given and received, during three 1-h observation periods when the birds were 68-70 days. Ranks obtained in worm-running tests were positively correlated over the two age periods (P<0.05) but were not correlated with ranks based on the aggression index (P>0.05). Our results indicate that worm-running ranks are not predictive of success in aggressive interactions. Instead, worm-running fits some criteria for play.
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Call Number Serial 2090
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Author Povinelli DJ; Nelson KE; Boysen ST
Title (up) Comprehension of role reversal in chimpanzees: evidence of empathy? Type Journal Article
Year 1992 Publication Animal Behaviour. Abbreviated Journal Anim. Behav.
Volume 43 Issue Pages 633
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Call Number Equine Behaviour @ team @ Serial 3031
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Author Foster, T.M.; Matthews, L.R.; Temple, W.; Poling, A.
Title (up) Concurrent schedule performance in domestic goats: persistent undermatching Type Journal Article
Year 1997 Publication Behavioural Processes Abbreviated Journal Behav. Process.
Volume 40 Issue 3 Pages 231-237
Keywords Matching equation; Undermatching; Variable-interval schedule; Nose-press response; Goats
Abstract Performance of nine domestic goats responding under concurrent variable-interval variable-interval schedules of food delivery was examined, with results analyzed in terms of the generalized matching equation. Substantial undermatching of response and time allocation ratios to obtained reinforcement ratios was evident. Post-reinforcement pause time ratios approximately matched obtained reinforcement ratios. Subtracting these times from total time allocation values yielded net time allocation ratios, which undermatched obtained reinforcement ratios to a greater degree than whole-session time allocation ratios. Slopes of regression lines relating behavioral outputs to environmental inputs characteristically were below 0.6, which is similar to previous findings in dairy cows tested under comparable conditions.
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Call Number Equine Behaviour @ team @ Serial 3602
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Author Thouless, C.R.; Guinness, F.E.
Title (up) Conflict between red deer hinds: the winner always wins Type Journal Article
Year 1986 Publication Animal Behaviour. Abbreviated Journal Anim. Behav.
Volume 34 Issue 4 Pages 1166-1171
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Abstract Dominance relations between free-living, female red deer (hinds) (Cervus elaphus L.) on the Isle of Rhum, Scotland, were investigated. Most interactions were won by the older hind of the pair and this was the case even when both individuals had reached full body size. The younger hind was more likely to be the winner if the conflict was escalated or if the two hinds were strangers, in which case escalation was more frequent than usual. When outside their normal home range, older hinds were much more likely to lose, and younger ones more likely to win, than usual. These results can be best explained by the hinds using previous experience as a cue for conventional resolution of conflict, with the result that dominance relationships established early in life are perpetuated. No such cue is available if the hinds have not previously met.
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Call Number refbase @ user @ Serial 868
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Author Aureli, F.; Cords, M.; van Schaik, C.P.
Title (up) Conflict resolution following aggression in gregarious animals: a predictive framework Type Journal Article
Year 2002 Publication Animal Behaviour. Abbreviated Journal Anim. Behav.
Volume 64 Issue 3 Pages 325-343
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Abstract Knowledge of how animals manage their conflicts is critical for understanding the dynamics of social systems. During the last two decades research on gregarious animals, especially primates, has focused on the mechanisms of conflict management, mainly on friendly postconflict reunions (also called `reconciliation') in which former opponents exchange affiliative behaviour soon after an aggressive conflict. Our aim in this paper is to present a framework in which the costs and benefits of friendly postconflict reunions, both for each individual opponent and for their mutual relationship, are used to predict the patterning of postconflict resolution mechanisms in other gregarious animals. The framework predicts the occurrence of postconflict reunions in species that live in stable social units, have individualized relationships, and experience postconflict hostility, but especially in those in which intragroup aggression disrupts valuable relationships. The critical issue is whether aggressive conflicts occur between cooperative partners and whether the level of aggression is sufficient to jeopardize the benefits associated with such valuable relationships. We conclude by proposing four research priorities to evaluate the role of friendly reunions in negotiating relationships and the way they are themselves influenced by asymmetries in partner value and biological market effects. 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 299
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Author Appleby M.
Title (up) Consciousness, Cognition and Animal Welfare – J.K. Kirkwood, R.C. Hubrecht, S. Wickens, H. O'Leary, S. Oakley (Eds.), Universities Federation for Animal Welfare, 2001, 251 pp., Paperback, Supplement to Volume 10 of Animal Welfare, 15/US$ 30, ISSN 0962-7286 Type Journal Article
Year 2002 Publication Applied Animal Behaviour Science Abbreviated Journal Appl. Anim. Behav. Sci.
Volume 77 Issue Pages 239-241
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Call Number refbase @ user @ Serial 3485
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Author Appleby, M.
Title (up) Consciousness, Cognition and Animal Welfare: J.K. Kirkwood, R.C. Hubrecht, S. Wickens, H. O'Leary, S. Oakley (Eds.), Universities Federation for Animal Welfare, 2001, 251 pp., Paperback, Supplement to Volume 10 of Animal Welfare, [pound sign]15/US$ 30, ISSN 0962-7286 Type Journal Article
Year 2002 Publication Applied Animal Behaviour Science Abbreviated Journal Appl. Anim. Behav. Sci.
Volume 77 Issue 3 Pages 239-241
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Call Number Equine Behaviour @ team @ Serial 2905
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Author Monard, A.-M.; Duncan, P.
Title (up) Consequences of natal dispersal in female horses Type Journal Article
Year 1996 Publication Animal Behaviour. Abbreviated Journal Anim. Behav.
Volume 52 Issue 3 Pages 565-579
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Abstract Social, genetic and reproductive consequences of natal dispersal were investigated in female horses,Equus caballus, living in a herd with a natural social structure. Dispersal did not as a rule reduce the level of competition the young mares faced: they did not selectively join groups with fewer resident females than the groups they left, and they did not attain higher ranks; there was also no tendency for females to disperse to groups with the fewest resident females, and they suffered more aggression from the mares in their new groups than in their natal groups. These results therefore do not support the hypothesis that a function of natal dispersal is to reduce intra-sexual competition. The young mares nevertheless dispersed non-randomly, generally joining harems with one stallion and at least two subadult females; and they preferred to move to groups with familiar females but no familiar males. As a result, most were closely related to some females of their new groups, but distantly related or unrelated to the male(s). Since after dispersal the young mares bred only with a male of their new groups, inbreeding coefficients of most (85%) of their offspring were lower than from matings between half siblings. These results are consistent with the hypothesis that a function of natal dispersal is to avoid close inbreeding. Dispersal did not appear to involve reproductive costs: the young mares suffered no delay in age at first reproduction, and the survival rates of their first foals tended to be higher if the females had emigrated, although not significantly so.
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Call Number Equine Behaviour @ team @ Serial 2386
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Author Dumont, B.; Boissy, A.; Achard, C.; Sibbald, A.M.; Erhard, H.W.
Title (up) Consistency of animal order in spontaneous group movements allows the measurement of leadership in a group of grazing heifers Type Journal Article
Year 2005 Publication Applied Animal Behaviour Science Abbreviated Journal Appl. Anim. Behav. Sci.
Volume 95 Issue 1-2 Pages 55-66
Keywords Cattle; Grazing; Leadership; Movement order; Walking
Abstract The term `leadership' has been used in several different senses, resulting in very different ways of identifying leaders and apparently inconsistent conclusions on how leadership is determined in herbivores. We therefore propose the following definitions: (i) a leader is the individual that is consistently the one who initiates long-distance, spontaneous group movements toward a new feeding site and (ii) long-distance spontaneous group movements are movements which happen when an animal changes activity and location and is immediately followed by a similar change in activity and location by other members of the group. Using these definitions, we tested for consistency of movement order across time and situation within a group of fifteen 2-year-old heifers. We found that the same individual was recorded as the very first animal in 48% of movements toward a new feeding site and could therefore be identified as the `leader'. We also showed that movement order when the animals entered an experimental plot, or progressed slowly through the field during a grazing bout, did not produce the same result. This method, which enables us to identify leaders in groups of animals at pasture, should improve our knowledge of how leadership is determined in grazing herbivores.
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Call Number Equine Behaviour @ team @ room B 3.029 Serial 2027
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