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Author Berger, K.M.
Title Carnivore-Livestock conflicts: effects of subsidized predator control and economic correlates on the sheep industry Type Journal Article
Year 2006 Publication Conserv Biol Abbreviated Journal
Volume (down) 20 Issue Pages
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Call Number Equine Behaviour @ team @ Berger2006 Serial 6448
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Author Schwartz, L.P.; Silberberg, A.; Casey, A.H.; Kearns, D.N.; Slotnick, B.
Title Does a rat release a soaked conspecific due to empathy? Type Journal Article
Year 2017 Publication Animal Cognition Abbreviated Journal Anim. Cogn.
Volume (down) 20 Issue 2 Pages 299-308
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Abstract In Experiment 1, rats choosing in an E maze preferred to release a rat standing in a pool of water to dry ground over a rat already standing on dry ground. Five additional experiments showed that the choosing rat's preference for releasing the wet rat was maintained by two separable outcomes: (1) the social contact offered by the released rat and (2) the reinforcing value of proximity to a pool of water. These results call into question Sato et al.'s (Anim Cogn 18:1039-1047, 2015) claim to have demonstrated that a rat's releasing of a wet rat to dry ground is empathically motivated.
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Call Number Equine Behaviour @ team @ Schwartz2017 Serial 6559
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Author Houpt, K.; Marrow, M.; Seeliger, M.
Title A preliminary study of the effect of music on equine behavior Type Journal Article
Year 2000 Publication Journal of Equine Veterinary Science Abbreviated Journal
Volume (down) 20 Issue 11 Pages 691-737
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ISSN 0737-0806 ISBN Medium
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Call Number Equine Behaviour @ team @ Serial 6633
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Author von Bayern, A.M.P.
Title The role of experience in problem solving and innovative tool use in crows Type Journal Article
Year 2009 Publication Curr Biol Abbreviated Journal
Volume (down) 19 Issue Pages
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Call Number Equine Behaviour @ team @ von Bayern2009 Serial 6290
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Author Passilongo, D.; Buccianti, A.; Dessi-Fulgheri, F.; Gazzola, A.; Zaccaronii, M.; Apollonio, M.
Title The Acoustic Structure Of Wolf Howls In Some Eastern Tuscany (Central Italy) Free Ranging Packs Type Journal Article
Year 2010 Publication Bioacoustics Abbreviated Journal Bioacoustics
Volume (down) 19 Issue 3 Pages 159-175
Keywords Canis lupus, acoustic structure, mammal communication, sonogram, fundamental frequency.
Abstract Italian wolf howls are described for the first time from observations between 2003–2008 of a population living in eastern Tuscany, central Italy. A sample of 37 howls selected among single responses and 128 howls included in the choruses of 7 free ranging packs was recorded and analysed. The mean fundamental frequency of the howls ranged between 274–908 Hz. Two main structures recognised by means of multivariate explorative analysis, in particular Principal Component and Cluster Analysis, were ascribed to breaking and flat howls. Discriminant Function Analysis was applied to the recognised groups with the aim to find a general rule for classification. Howls with different features were correctly assigned to the groups obtained by explorative analysis in 95.8% of cases. The analysis of the variables characterising the structure of the howls suggests that maximum frequency and range of fundamental frequency are the most important parameters for classification, while duration does not appear to play any significant role.
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Call Number Equine Behaviour @ team @ Serial 6499
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Author Plumer, L.; Talvi, T.; Männil, P.; Saarma, U.
Title Assessing the roles of wolves and dogs in livestock predation with suggestions for mitigating human-wildlife conflict and conservation of wolves Type Journal Article
Year 2018 Publication Conservation Genetics Abbreviated Journal Conservat. Genet.
Volume (down) 19 Issue 3 Pages 665-672
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Abstract Predation on livestock is a cause of serious and long-lasting conflict between farmers and wildlife, promoting negative public attitudes and endangering conservation of large carnivores. However, while large carnivores, especially the grey wolf (Canis lupus), are often blamed for killing sheep and other farm animals, free-ranging dogs may also act as predators. To develop appropriate measures for livestock protection, reliable methods for identifying predator species are critical. Identification of predators from visual examination of livestock wounds can be ambiguous and genetic analysis is strongly preferable for accurate species determination. To estimate the proportion of wolves and dogs implicated in sheep predation, we developed a sensitive genetic assay to distinguish between wolves and domestic dogs. A total of 183 predator saliva samples collected from killed sheep in Estonia were analysed. The assay identified the predator species in 143 cases (78%). Sheep were most often killed by wolves (81%); however, predation by dogs was substantial (15%). We compared the molecular results with field observations conducted by local environmental officials and recorded some disagreement, with the latter underestimating the role of dogs. As predator saliva samples collected from prey are often of poor quality, we suggest using mitochondrial DNA as a primary tool to maximise the number of successfully analysed samples. We also suggest adopting forensic DNA analysis more widely in livestock predation assessments as a legislative measure since misidentification that is biased against wolves can be counterproductive for conservation by enhancing conflict with society and leading to increased culling and poaching.
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ISSN 1572-9737 ISBN Medium
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Call Number Equine Behaviour @ team @ Plumer2018 Serial 6509
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Author Kuczaj, S. A; Makecha, R.; Trone, M.; Paulos, R. D; Ramos, J. A.
Title Role of Peers in Cultural Innovation and Cultural Transmission: Evidence from the Play of Dolphin Calves Type Journal Article
Year 2006 Publication International Journal of Comparative Psychology Abbreviated Journal Int. J. Comp. Psychol
Volume (down) 19 Issue 2 Pages 223-240
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Call Number Equine Behaviour @ team @ Serial 6526
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Author Drevemo, S.; Fredricson, I.; Hjertén, G.; McMIKEN, D.
Title Early development of gait asymmetries in trotting Standardbred colts Type Journal Article
Year 1987 Publication Equine Veterinary Journal Abbreviated Journal Equine. Vet. J.
Volume (down) 19 Issue 3 Pages 189-191
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Abstract Summary Ten trotting Standardbred colts were recorded by high-speed cinematography at the ages of eight, 12 and 18 months. The horses were trotting on a treadmill operating at 4.0 m/secs. Five horses were subjected to a programme of intensified training from eight months of age, whereas the others were not trained and acted as controls. The films were analysed on a semi-automatic film-reading equipment and a number of variables used to demonstrate the gait symmetry were calculated and scaled by computer. Certain differences between left and right diagonal and contralateral pair of limbs, respectively, were noted, suggesting that laterality in horses may be inherited. The most pronounced systematic differences were found in 18-month old horses in the trained group. The results show the importance of careful gait examination and comprehensive coordination training at an early age.
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Publisher American Medical Association (AMA) Place of Publication Editor
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ISSN 0425-1644 ISBN Medium
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Notes https://doi.org/10.1111/j.2042-3306.1987.tb01373.x Approved no
Call Number Equine Behaviour @ team @ Serial 6702
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Author Whalen, A.; Cownden, D.; Laland, K.
Title The learning of action sequences through social transmission Type Journal Article
Year 2015 Publication Animal Cognition Abbreviated Journal Anim. Cogn.
Volume (down) 18 Issue 5 Pages 1093-1103
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Abstract Previous empirical work on animal social learning has found that many species lack the ability to learn entire action sequences solely through reliance on social information. Conversely, acquiring action sequences through asocial learning can be difficult due to the large number of potential sequences arising from even a small number of base actions. In spite of this, several studies report that some primates use action sequences in the wild. We investigate how social information can be integrated with asocial learning to facilitate the learning of action sequences. We formalize this problem by examining how learners using temporal difference learning, a widely applicable model of reinforcement learning, can combine social cues with their own experiences to acquire action sequences. The learning problem is modeled as a Markov decision process. The learning of nettle processing by mountain gorillas serves as a focal example. Through simulations, we find that the social facilitation of component actions can combine with individual learning to facilitate the acquisition of action sequences. Our analysis illustrates that how even simple forms of social learning, combined with asocial learning, generate substantially faster learning of action sequences compared to asocial processes alone, and that the benefits of social information increase with the length of the action sequence and the number of base actions.
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ISSN 1435-9456 ISBN Medium
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Call Number Equine Behaviour @ team @ Whalen2015 Serial 6192
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Author Kis, A.; Huber, L.; Wilkinson, A.
Title Social learning by imitation in a reptile (Pogona vitticeps) Type Journal Article
Year 2015 Publication Animal Cognition Abbreviated Journal Anim.Cogn.
Volume (down) 18 Issue 1 Pages 325-331
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Abstract The ability to learn through imitation is thought to be the basis of cultural transmission and was long considered a distinctive characteristic of humans. There is now evidence that both mammals and birds are capable of imitation. However, nothing is known about these abilities in the third amniotic class--reptiles. Here, we use a bidirectional control procedure to show that a reptile species, the bearded dragon (Pogona vitticeps), is capable of social learning that cannot be explained by simple mechanisms such as local enhancement or goal emulation. Subjects in the experimental group opened a trap door to the side that had been demonstrated, while subjects in the ghost control group, who observed the door move without the intervention of a conspecific, were unsuccessful. This, together with differences in behaviour between experimental and control groups, provides compelling evidence that reptiles possess cognitive abilities that are comparable to those observed in mammals and birds and suggests that learning by imitation is likely to be based on ancient mechanisms.
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Call Number Equine Behaviour @ team @ Kis2015 Serial 6193
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