| Records |
| Author |
Zeitler-Feicht, M. H.; Walker, S.; Buxade, C.; Reiter, K. |
| Title |
Untersuchungen verschiedener Formen der Heuvorlage bei Pferden unter ethologischem Aspekt |
Type |
Book Chapter |
| Year |
2004 |
Publication |
KTBL Schriften |
Abbreviated Journal |
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Volume  |
437 |
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Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
5764 |
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| Author |
Paz-y-Miño C. G.; Bond, A.B.; Kamil, A.C.; Balda, R.P. |
| Title |
Pinyon jays use transitive inference to predict social dominance |
Type |
Journal Article |
| Year |
2004 |
Publication |
Nature |
Abbreviated Journal |
Nature |
| Volume |
430 |
Issue |
7001 |
Pages |
778-781 |
| Keywords |
Animals; Cognition/*physiology; Group Structure; Male; *Social Dominance; Songbirds/*physiology |
| Abstract |
Living in large, stable social groups is often considered to favour the evolution of enhanced cognitive abilities, such as recognizing group members, tracking their social status and inferring relationships among them. An individual's place in the social order can be learned through direct interactions with others, but conflicts can be time-consuming and even injurious. Because the number of possible pairwise interactions increases rapidly with group size, members of large social groups will benefit if they can make judgments about relationships on the basis of indirect evidence. Transitive reasoning should therefore be particularly important for social individuals, allowing assessment of relationships from observations of interactions among others. Although a variety of studies have suggested that transitive inference may be used in social settings, the phenomenon has not been demonstrated under controlled conditions in animals. Here we show that highly social pinyon jays (Gymnorhinus cyanocephalus) draw sophisticated inferences about their own dominance status relative to that of strangers that they have observed interacting with known individuals. These results directly demonstrate that animals use transitive inference in social settings and imply that such cognitive capabilities are widespread among social species. |
| Address |
Center for Avian Cognition, School of Biological Sciences, University of Nebraska, Lincoln, Nebraska 68588, USA |
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English |
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1476-4687 |
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| Notes |
PMID:15306809 |
Approved |
no |
| Call Number |
refbase @ user @; Equine Behaviour @ team @ room B 3.029 |
Serial |
352 |
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| Author |
Proudman, C.; Pinchbeck, G.; Clegg, P.; French, N. |
| Title |
Equine welfare: risk of horses falling in the Grand National |
Type |
Journal Article |
| Year |
2004 |
Publication |
Nature |
Abbreviated Journal |
Nature |
| Volume |
428 |
Issue |
6981 |
Pages |
385-386 |
| Keywords |
Accidental Falls/prevention & control/*statistics & numerical data; Animal Welfare; Animals; Great Britain; Horse Diseases/prevention & control; Horses/*physiology; Odds Ratio; Risk Assessment; *Sports |
| Abstract |
As in other competitive sports, the famous Grand National steeplechase, which is held at Aintree in the United Kingdom and is watched by 600 million people worldwide, sometimes results in injury. By analysing data from the past 15 Grand National races (consisting of 560 starts by horses), we are able to identify several factors that are significantly associated with failure to complete the race: no previous experience of the course and its unique obstacles, unfavourable ground conditions (too soft or too hard), a large number of runners, and the length of the odds ('starting price'). We also find that there is an increased risk of falling at the first fence and at the jump known as Becher's Brook, which has a ditch on the landing side. Our findings indicate ways in which the Grand National could be made safer for horses and illustrate how epidemiological analysis might contribute to preventing injury in competitive sport. |
| Address |
Epidemiology Group, Faculty of Veterinary Science, University of Liverpool, Leahurst, Neston, Wirral CH64 7TE, UK. c.j.proudman@liverpool.ac.uk |
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English |
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1476-4687 |
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PMID:15042079 |
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no |
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refbase @ user @ |
Serial |
535 |
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| Author |
Dyer, F.C. |
| Title |
Animal behaviour: when it pays to waggle |
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| Year |
2002 |
Publication |
Nature |
Abbreviated Journal |
Nature |
| Volume |
419 |
Issue |
6910 |
Pages |
885-886 |
| Keywords |
*Animal Communication; Animals; Bees/*physiology; California; Dancing/physiology; Environment; Evolution; Female; Flowers/chemistry; *Food; Gravitation; Lighting; Motor Activity/*physiology; Odors; Seasons; Sunlight |
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0028-0836 |
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| Notes |
PMID:12410290 |
Approved |
no |
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refbase @ user @ |
Serial |
769 |
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| Author |
Whiten, A.; McGrew, W.C. |
| Title |
Is this the first portrayal of tool use by a chimp? |
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| Year |
2001 |
Publication |
Nature |
Abbreviated Journal |
Nature |
| Volume |
409 |
Issue |
6816 |
Pages |
12 |
| Keywords |
Animals; *Behavior, Animal; Pan troglodytes/*physiology; Philately |
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0028-0836 |
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| Notes |
PMID:11343083 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
739 |
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| Author |
Ristau, C.A. |
| Title |
Language, cognition, and awareness in animals? |
Type |
Journal Article |
| Year |
1983 |
Publication |
Ann. N.Y. Acad. Sci. |
Abbreviated Journal |
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| Volume |
406 |
Issue |
1 |
Pages |
170-186 |
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no |
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Equine Behaviour @ team @ |
Serial |
2952 |
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| Author |
Whiten, A.; Goodall, J.; McGrew, W.C.; Nishida, T.; Reynolds, V.; Sugiyama, Y.; Tutin, C.E.; Wrangham, R.W.; Boesch, C. |
| Title |
Cultures in chimpanzees |
Type |
Journal Article |
| Year |
1999 |
Publication |
Nature |
Abbreviated Journal |
Nature |
| Volume |
399 |
Issue |
6737 |
Pages |
682-685 |
| Keywords |
Animals; *Behavior, Animal; Cognition; *Culture; Humans; Pan troglodytes/*physiology; Species Specificity |
| Abstract |
As an increasing number of field studies of chimpanzees (Pan troglodytes) have achieved long-term status across Africa, differences in the behavioural repertoires described have become apparent that suggest there is significant cultural variation. Here we present a systematic synthesis of this information from the seven most long-term studies, which together have accumulated 151 years of chimpanzee observation. This comprehensive analysis reveals patterns of variation that are far more extensive than have previously been documented for any animal species except humans. We find that 39 different behaviour patterns, including tool usage, grooming and courtship behaviours, are customary or habitual in some communities but are absent in others where ecological explanations have been discounted. Among mammalian and avian species, cultural variation has previously been identified only for single behaviour patterns, such as the local dialects of song-birds. The extensive, multiple variations now documented for chimpanzees are thus without parallel. Moreover, the combined repertoire of these behaviour patterns in each chimpanzee community is itself highly distinctive, a phenomenon characteristic of human cultures but previously unrecognised in non-human species. |
| Address |
Scottish Primate Research Group, School of Psychology, University of St Andrews, UK |
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English |
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0028-0836 |
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| Notes |
PMID:10385119 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
742 |
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| Author |
Pesenti, M.E.; Spinelli, S.; Bezirard, V.; Briand, L.; Pernollet, J.-C.; Tegoni, M.; Cambillau, C. |
| Title |
Structural Basis of the Honey Bee PBP Pheromone and pH-induced Conformational Change |
Type |
Journal Article |
| Year |
2008 |
Publication |
Journal of Molecular Biology |
Abbreviated Journal |
J Mol Biol |
| Volume |
380 |
Issue |
1 |
Pages |
158-169 |
| Keywords |
honeybee; Apis mellifera; pheromone-binding protein; crystal structure; signal transduction |
| Abstract |
The behavior of insects and their perception of their surroundings are driven, in a large part, by odorants and pheromones. This is especially true for social insects, such as the honey bee, where the queen controls the development and the caste status of the other individuals. Pheromone perception is a complex phenomenon relying on a cascade of recognition events, initiated in antennae by pheromone recognition by a pheromone-binding protein and finishing with signal transduction at the axon membrane level. With to the objective of deciphering this initial step, we have determined the structures of the bee antennal pheromone-binding protein (ASP1) in the apo form and in complex with the main component of the queen mandibular pheromonal mixture, 9-keto-2(E)-decenoic acid (9-ODA) and with nonpheromonal components. In the apo protein, the C terminus obstructs the binding site. In contrast, ASP1 complexes have different open conformations, depending on the ligand shape, leading to different volumes of the binding cavity. The binding site integrity depends on the C terminus (111-119) conformation, which involves the interplay of two factors; i.e. the presence of a ligand and a low pH. Ligand binding to ASP1 is favored by low pH, opposite to what is observed with other pheromone-binding proteins, such as those of Bombyx mori and Anopheles gambiae. |
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no |
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Equine Behaviour @ team @ |
Serial |
4647 |
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| Author |
Van Schaik, C.P.; Burkart, J.M. |
| Title |
Social learning and evolution: the cultural intelligence hypothesis |
Type |
Journal Article |
| Year |
2011 |
Publication |
Philos Trans R Soc B |
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366 |
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Equine Behaviour @ team @ Van Schaik2011 |
Serial |
6227 |
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| Author |
Whiten, A.; van Schaik, C.P. |
| Title |
The evolution of animal 'cultures' and social intelligence |
Type |
Journal Article |
| Year |
2007 |
Publication |
Philosophical transactions of the Royal Society of London. Series B, Biological sciences |
Abbreviated Journal |
Philos Trans R Soc Lond B Biol Sci |
| Volume |
362 |
Issue |
1480 |
Pages |
603-620 |
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| Abstract |
Decades-long field research has flowered into integrative studies that, together with experimental evidence for the requisite social learning capacities, have indicated a reliance on multiple traditions ('cultures') in a small number of species. It is increasingly evident that there is great variation in manifestations of social learning, tradition and culture among species, offering much scope for evolutionary analysis. Social learning has been identified in a range of vertebrate and invertebrate species, yet sustained traditions appear rarer, and the multiple traditions we call cultures are rarer still. Here, we examine relationships between this variation and both social intelligence-sophisticated information processing adapted to the social domain-and encephalization. First, we consider whether culture offers one particular confirmation of the social ('Machiavellian') intelligence hypothesis that certain kinds of social life (here, culture) select for intelligence: 'you need to be smart to sustain culture'. Phylogenetic comparisons, particularly focusing on our own study animals, the great apes, support this, but we also highlight some paradoxes in a broader taxonomic survey. Second, we use intraspecific variation to address the converse hypothesis that 'culture makes you smart', concluding that recent evidence for both chimpanzees and orang-utans support this proposition. |
| Address |
Centre for Social Learning and Cognitive Evolution, School of Psychology, University of St Andrews, St Andrews KY16 9JP, UK |
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English |
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Edition |
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| ISSN |
0962-8436 |
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| Notes |
PMID:17255007 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
729 |
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