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Ahmadinejad, M. |
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Title |
Influence of Sex and Age on Color discrimination in caspian Pony |
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2008 |
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IESM 2008 |
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Although an early and influential review led to the often-cited conclusion that color discrimination is rare among mammals, more recent findings suggest that it is actually widespread. According to jacobes, all non-nocturnal mammalian species that have adequately exmined show some color vision capacity. Data on the presence and characteristics and the influence of sex and age on color vision in the horse, remain spares and non in Caspian pony. Eight Caspian ponies were presented with a series of two-choice color vs. grey discrimination problems. One mare pony was eliminated due to traumatic injury to her eye. Experiments were performed in a box of 3 * 3 meter containing a wall with two translucent panels that were illuminated from behind by light projected through color or grey filters to provide the discriminative stimuli. Ponies were first adopted to the stall (box) with two panels in it and then learned to push one of the panels in order to receive the food rewards behind positive stimuli in an achromatic light-dark discrimination task. The ponies were then tested on their abilities to discriminate between grey and four individual colors; red; 617nm, yellow; 581nm, green; 538nm and blue 470 nm. The answer to the question \“do the ponies see color\” was yes but sex and age had no influence on the color discrimination of the ponies . |
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Ahmadinejad, M. |
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IESM 2008 |
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Talk 15 min IESM 2008 |
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Equine Behaviour @ team @ |
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4501 |
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Aurich, J. |
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Equine Science and Management Programme in Vienna |
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2008 |
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IESM 2008 |
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With a growing importance of equestrian sports and horse breeding, there is an increasing need for well-trained professionals in the equine sector. While well-established vocational training programmes exist in Germany, they do neither provide qualifications for leading positions nor train for scientific work on the horse. The need for specific equine university programmes has been questioned occasionally, however, neither university programmes in equine veterinary medicine (focussing on diseased horses) nor animal science (focussing on food-producing farm animals) meet the broad requirements of today`s equine industry.
The first academic programme in equine science and management in the German-speaking countries was established in 2003 by the Universities of Veterinary Sciences and Agricultural Sciences in Vienna, Austria. The 3-year bachelor programme (180 ECTS points) includes sciences, anatomy, physiology, genetics, nutrition, ethology, economics, marketing, management, legislation, reproduction, healtcare, equitation science and organisation of breeding and equestrian sports. Courses are provided by the partner universities and by lecturers from practise and equestrian organisations including the German and Austrian equestrian federations. Lectures and seminars are complemented by a scientific thesis and placements in the equine industry.
Out of 100-150 applicants each year, 50 students are selected on the basis of their previous activities, a written test and interviews. Students are coming from Austria (40%), Germany (50%) and other countries (10%) ensuring a truly European programme. The majority of students enter the programme directly after leaving secondary school, but approx. 20% have undergone previous vocational training (e.g. Pferdewirt).
About 40% of the graduates enter into subsequent MSc programmes in animal science or agribusiness. Others are studying for an MBA or a degree in veterinary medicine, journalism, law and other disciplines. Graduates from the 2003 class finish their MSc in agriculture this year at universities in Austria, Germany and the United Kingdom and some of them will continue with a doctorate. Students not entering graduate programmes after obtaining their BSc do work as stud managers or management assistants in Germany and English-speaking countries or are employed by equestrian organisations such as the German and Austrian national federation, equestrian journals, equine nutrition companies, non-university research and consulting institutions, the Ministry of Agriculture and in a variety of other fields. The success of the Vienna equine programme has also encouraged activities at other universities and programmes with near-similar curricula have recently been established in Germany and Switzerland.
In conclusion, graduates of the Vienna equine science programme follow a wide-range of professional and academic activities within the equine industry. This spectrum is by far more extensive than the sector covered by professionals from traditional vocational training. With practical experience obtained on the job, adaequately qualified graduates will more and more obtain leading positions. In addition, the programme is a first step in the training of future researchers and teachers. By promoting and conducting research on the horse, equine science programmes do also secure the leading role of the European equine industry for the future. |
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University of Veterinary Sciences, Vienna, Austria. joerg.aurich@vu-wien.ac.at, phone +43 1 250775400, fax +43 1 250775490 |
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Aurich, J. |
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IESM 2008 |
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Talk 15 min IESM 2008 |
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yes |
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Equine Behaviour @ team @ |
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4503 |
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Ligout, S.; Porter, R.-H. |
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Title |
Social recognition in mammals: Mechanisms and sensorial bases |
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2006 |
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Productions Animales |
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Prod. Anim. |
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19 |
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2 |
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119-133 |
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Social recognition plays a major role in the mediation of interactions between individuals and the organisation of societies. During the last 20 years, numerous studies have investigated the adaptive significance, underlying mechanisms and sensory basis of individual recognition of kin as well as non-kin. The results indicate that the recognition of conspecifics involves complex, flexible processes that are widespread throughout the vertebrate kingdom. Such recognition can be based upon different mechanisms and sensory modalities, and influenced by diverse factors. Learned phenotypic traits of conspecifics through familiarisation, including oneself, is the fundamental mechanism implicated in recognition. Animals become directly familiar with others with which they interact. Moreover, kin of familiar conspecifics may be discriminated because of their resemblance to the known individuals. An animal's genotype and environmental variables may both contribute to its recognisable individual signatures (e.g. distinctive olfactory, visual, or auditory characteristics). In general, the study of social recognition enhances our understanding of the cognitive world of animals. |
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INRA, CNRS, UMR Physiologie de la Reproduction et des Comportements, F-37380 Nouzilly, France |
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Export Date: 23 October 2008; Source: Scopus |
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yes |
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Equine Behaviour @ team @ |
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4568 |
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Vidya, T.N.C.; Sukumar, R. |
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Social and reproductive behaviour in elephants |
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2005 |
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Current Science (Bangalore) |
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Curr Sci |
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89 |
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7 |
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1200-1207 |
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Acoustic communication; dispersal; Elephas maximus; Loxodonta africana; musth; social organization |
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We present a review of studies on elephant social and reproductive behaviour. While the social organization of the African savannah elephant (Loxodonta africana africana) has been intensively studied,that of the African forest elephant (Loxodonta africana cyclotis) and the Asian elephant (Elephas maximus) are poorly understood. Noninvasive molecular methods are useful in combination with behavioural data in understanding social organization and dispersal strategies. The ecological determinants of social organization, and the importance of matriarchal leadership to social groups, and relative importance of different forms of communication under various ecological conditions remain interesting topics that await investigation. Reproductive behaviour also has been examined in detail only in the African savannah elephant, although rigorous chemical analyses continue to be carried out using captive elephants of both species. Improved laboratory techniques may enable future work on reproductive signalling in free-ranging elephants, allowing for comprehensive studies of male-male interactions and mate choice by females. |
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Copyright for this article belongs to Indian Academy of Sciences. |
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yes |
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Equine Behaviour @ team @ |
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4703 |
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Landaeta-Hernández, A. J.; Chenoweth, P. J.; Randles, R.; Littell, R.; Rae, O.; Chase, C. C. |
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Identifying the social dominance order in a mixed breed herd: a practical methodology |
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2005 |
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Revista Científica |
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Revista Científica |
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15 |
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2 |
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148-154 |
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Cattle, behavior, social organization |
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The major objective of this study was to identify a simple and accurate method of assessing differences in female social status. Three methods of estimating dominance value (DV) were compared in beef cows of three breed-types; Angus (A; n=10), Brahman (B; n=10), and Senepol (S; n=10). Cows were equitably assigned to two groups of fifteen each, allocated into separate pastures and containing equal number of animals by breed. Agonistic interactions were recorded for 45 d of study, in two 1 h periods during concentrate feeding using the method of competitive orders winner/loser. Methods of estimating DV included: I) Ratio between individuals dominated and total encountered, II) Ratio between encounters won to total encounters, III) Proportion of individuals dominated to total herdmates. Due to the different level of interactivity evidenced among animals as well as between and within social orders, method III with subsequent arc-sin transformation was considered as the most practical and accurate method for estimating DV and subsequent allocation of cows into a social dominance order. In addition, a breed effect was found on social dominance. Senepol cows obtained greater DV`s (1.24 ± 0.08) than Angus (0.97 ± 0.08; P<0.03) and Brahman cows (0.76 ± 0.08; P<0.005). |
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0798-2259 |
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yes |
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Equine Behaviour @ team @ |
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4753 |
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Hostetter, A.B.; Cantero, M.; Hopkins, W.D. |
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Differential use of vocal and gestural communication by chimpanzees (Pan troglodytes) in response to the attentional status of a human (Homo sapiens) |
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Journal Article |
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2001 |
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Journal of Comparative Psychology |
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J. Comp. Psychol. |
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115 |
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4 |
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337-343 |
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Animals; *Attention; *Communication Methods, Total; Female; *Gestures; Humans; Male; Motivation; Pan troglodytes/*psychology; Social Environment; Species Specificity; *Vocalization, Animal |
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This study examined the communicative behavior of 49 captive chimpanzees (Pan troglodytes), particularly their use of vocalizations, manual gestures, and other auditory- or tactile-based behaviors as a means of gaining an inattentive audience's attention. A human (Homo sapiens) experimenter held a banana while oriented either toward or away from the chimpanzee. The chimpanzees' behavior was recorded for 60 s. Chimpanzees emitted vocalizations faster and were more likely to produce vocalizations as their 1st communicative behavior when a human was oriented away from them. Chimpanzees used manual gestures more frequently and faster when the human was oriented toward them. These results replicate the findings of earlier studies on chimpanzee gestural communication and provide new information about the intentional and functional use of their vocalizations. |
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Department of Psychology, Berry College, USA |
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0735-7036 |
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PMID:11824896 |
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yes |
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Equine Behaviour @ team @ |
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4970 |
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Pack, A. A.; Herman, L. M. |
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Bottlenosed Dolphins (Tursiops truncatus) Comprehend the Referent of Both Static and Dynamic Human Gazing and Pointing in an Object-Choice Task. |
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2004 |
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Journal of Comparative Psychology |
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J. Comp. Psychol. |
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118 |
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2 |
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160-171 |
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The authors tested 2 bottlenosed dolphins (Tursiops truncatus) for their understanding of human-directed gazing or pointing in a 2-alternative object-choice task. A dolphin watched a human informant either gazing at or pointing toward 1 of 2 laterally placed objects and was required to perform a previously indicated action to that object. Both static and dynamic gaze, as well as static and dynamic direct points and cross-body points, yielded errorless or nearly errorless performance. Gaze with the informant's torso obscured (only the head was shown) produced no performance decrement, but gaze with eyes only resulted in chance performance. The results revealed spontaneous understanding of human gaze accomplished through head orientation, with or without the human informant's eyes obscured, and demonstrated that gaze-directed cues were as effective as point-directed cues in the object-choice task. (PsycINFO Database Record (c) 2009 APA, all rights reserved) |
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yes |
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Equine Behaviour @ team @ |
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4976 |
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Shapiro, A.D.; Janik, V.M.; Slater, P.J.B. |
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A gray seal's (Halichoerus grypus) responses to experimenter-given pointing and directional cues |
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2003 |
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Journal of Comparative Psychology |
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J Comp Psychol |
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117 |
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4 |
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355-362 |
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Animals; Behavior, Animal/*physiology; Cognition/physiology; Conditioning, Operant/physiology; *Cues; Eye Movements/physiology; Female; Seals, Earless |
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A gray seal (Halichoerus grypus) was trained to touch a target on its left or right by responding to pointing signals. The authors then tested whether the seal would be able to generalize spontaneously to altered signals. It responded correctly to center pointing and head turning, center upper body turning, and off-center pointing but not to head turning and eye movements alone. The seal also responded correctly to brief ipsilateral and contralateral points from center and lateral positions. Pointing gestures did not cause the seal to select an object placed centrally behind it. Like many animals in similar studies, this gray seal probably did not understand the referential character of these gestures but rather used signal generalization and experience from initial operant conditioning to solve these tasks. |
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School of Biology, University of St Andrews, St Andrews, Fife, United Kingdom |
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Washington, D.C. : 1983 |
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0735-7036 |
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PMID:14717636 |
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yes |
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Equine Behaviour @ team @ |
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4977 |
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King, A.J.; Cowlishaw, G. |
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Leaders, followers and group decision-making |
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2009 |
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Communicative & Integrative Biology |
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Commun Integr Biol |
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2 |
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2 |
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147-150 |
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Social animals have to make a multitude of group decisions on a daily basis. At the most basic level, this will involve coordination of activities and travel directions. In groups of insects, birds and fish, much of this 'coordination' can be the result of relatively simple interaction patterns among group members. Such systems are self-organizing, and often do not require specific leaders, or followers. However, in more socially complex groups, achieving collective group action-a consensus-may not be accomplished by simple rules alone. Instead, a consensus may be reached by the averaging of preferences (democracy), or by following the choices of specific leaders (despotism). In this mini-review, we discuss the conditions necessary for despotism in animal groups, and focus upon new studies investigating coordinated actions in primates. We ask how specific leaders arise and why others follow them-providing new insight into the mechanisms of effective leadership in groups characterized by strong social relationships. |
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Institute of Zoology; Zoological Society of London; London, UK |
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1942-0889 |
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PMID:19513268 |
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yes |
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Equine Behaviour @ team @ |
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4998 |
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Bates, L.A.; Lee, P.C.; Njiraini, N.; Poole, J.H.; Sayialel, K.; Sayialel, S.; Moss, C.J.; Byrne, R. |
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Do Elephants Show Empathy? |
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2008 |
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Journal of Consciousness Studies |
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J Conscious Stud |
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15 |
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10-11 |
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204-225 |
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Elephants show a rich social organization and display a number of unusual traits. In this paper, we analyse reports collected over a thirty-five year period, describing behaviour that has the potential to reveal signs of empathic understanding. These include coalition formation, the offering of protection and comfort to others, retrieving and 'babysitting' calves, aiding individuals that would otherwise have difficulty in moving, and removing foreign objects attached to others. These records demonstrate that an elephant is capable of diagnosing animacy and goal directedness, and is able to understand the physical competence, emotional state and intentions of others, when they differ from its own. We argue that an empathic understanding of others is the simplest explanation of these abilities, and discuss reasons why elephants appear to show empathy more than other non-primate species. |
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yes |
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Equine Behaviour @ team @ |
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5057 |
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