| Records |
| Author |
Bergmüller, R.; Taborsky, M. |
| Title |
Animal personality due to social niche specialisation |
Type |
Journal Article |
Year  |
2010 |
Publication |
Trends in Ecology & Evolution |
Abbreviated Journal |
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| Volume |
25 |
Issue |
9 |
Pages |
504-511 |
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| Abstract |
The existence of 'animal personality', i.e. consistent individual differences in behaviour across time and contexts, is an evolutionary puzzle that has recently generated considerable research interest. Although social factors are generally considered to be important, it is as yet unclear how they might select for personality. Drawing from ecological niche theory, we explore how social conflict and alternative social options can be key factors in the evolution and development of consistent individual differences in behaviour. We discuss how animal personality research might benefit from insights into the study of alternative tactics and illustrate how selection can favour behavioural diversification and consistency due to fitness benefits resulting from conflict reduction among social partners. |
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| ISSN |
0169-5347 |
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| Call Number |
Equine Behaviour @ team @ |
Serial |
6646 |
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| Author |
Sheriff, M.J.; Dantzer, B.; Delehanty, B.; Palme, R.; Boonstra, R. |
| Title |
Measuring stress in wildlife: techniques for quantifying glucocorticoids |
Type |
Journal Article |
| Year |
2011 |
Publication |
Oecologia |
Abbreviated Journal |
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| Volume |
166 |
Issue |
4 |
Pages |
869-887 |
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| Abstract |
Stress responses play a key role in allowing animals to cope with change and challenge in the face of both environmental certainty and uncertainty. Measurement of glucocorticoid levels, key elements in the neuroendocrine stress axis, can give insight into an animal’s well-being and can aid understanding ecological and evolutionary processes as well as conservation and management issues. We give an overview of the four main biological samples that have been utilized [blood, saliva, excreta (feces and urine), and integumentary structures (hair and feathers)], their advantages and disadvantages for use with wildlife, and some of the background and pitfalls that users must consider in interpreting their results. The matrix of choice will depend on the nature of the study and of the species, on whether one is examining the impact of acute versus chronic stressors, and on the degree of invasiveness that is possible or desirable. In some cases, more than one matrix can be measured to achieve the same ends. All require a significant degree of expertise, sometimes in obtaining the sample and always in extracting and analyzing the glucocorticoid or its metabolites. Glucocorticoid measurement is proving to be a powerful integrator of environmental stressors and of an animal’s condition. |
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| ISSN |
1432-1939 |
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Equine Behaviour @ team @ Sheriff2011 |
Serial |
6150 |
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| Author |
Baragli, P.; Paoletti, E.; Vitale, V.; Sighieri, C. |
| Title |
Looking in the correct location for a hidden object: brief note about the memory of donkeys (Equus asinus) |
Type |
Journal Article |
| Year |
2011 |
Publication |
Ethology Ecology & Evolution |
Abbreviated Journal |
Ethology Ecology & Evolution |
| Volume |
23 |
Issue |
2 |
Pages |
187-192 |
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| Abstract |
In recent years, considerable literature has been published on cognition in horses; however, much less is known about the cognitive abilities of domestic donkey (Equus asinus). This study aimed to expand our knowledge of donkey cognition by assessing their short-term memory capacity. We employed a detour problem combined with the classic delayed-response task, which has been extensively used to compare working memory duration in a variety of different species. A two-point choice apparatus was used to investigate location recall and search behaviour for a food target, after a short delay following its disappearance. Four donkeys completed the task with a 10 sec delay, while four others were tested with a 30 sec delay. Overall, each group performed above chance level on the test, showing that subjects had successfully encoded, maintained, and retrieved the existence and location of the target despite the loss of visual contact. |
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Taylor & Francis |
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0394-9370 |
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doi: 10.1080/03949370.2011.554885 |
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Equine Behaviour @ team @ |
Serial |
6177 |
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| Author |
Baragli, P.; Vitale, V.; Paoletti, E.; Mengoli, M.; Sighieri, C. |
| Title |
Encoding the Object Position for Assessment of Short Term Spatial Memory in Horses (Equus caballus) |
Type |
Journal Article |
| Year |
2011 |
Publication |
International Journal of Comparative Psychology |
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| Volume |
24 |
Issue |
3 |
Pages |
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In this study, the detour problem was combined with the classic delayed-response task to investigate equine short-term spatial memory. Test subjects were eight female horses, divided into two groups (A and B) of four subjects each. The motivating object was made to move and disappear behind one oftwo identical obstacles in a two-point-choice apparatus. After a 10 s (Group A) or 30 s (Group B) delay the animal was released to seek the object. Both groups made more correct (14.8 ± 1.3 forGroup A and 13.5 ± 3.1 for Group B, mean ± SD) than incorrect choices (5.3 ± 1.3 for Group A and6.5 ± 3.1 for Group B, mean ± SD) and the performance of each group was significantly above chance level (z = 4.14, p = 0.000, for Group A and z = 3.02, p = 0.002, for Group B). Therefore, tested animals were able to recover the object by approaching the correct obstacle after 10 s or 30 s delays, showing that they had encoded and recovered from memory the existence of the target object and its location. |
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2168-3344 |
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Equine Behaviour @ team @ |
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6178 |
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| Author |
Hampson, B.A.; Zabek, M.A.; Pollitt, C.C.; Nock, B. |
| Title |
Health and behaviour consequences of feral horse relocation |
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Journal Article |
| Year |
2011 |
Publication |
Rangel. J. |
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| Volume |
33 |
Issue |
2 |
Pages |
173-180 |
| Keywords |
equine, GPS, movement, range. |
| Abstract |
Despite ongoing projects involving the breeding and release of equids into semi-wild and wild environments, insufficient information is available in the literature that describes strategies used by equids to adapt and survive in a novel environment. The aim of this study was to assess the ability of naïve, feral Equus caballus (horse) mares to cope in a novel feral horse environment and investigate possible reasons why some may not survive this challenge. Four mares taken from a semi-arid desert environment remained in good health but significantly changed their movement behaviour pattern when surrounded by prime grazing habitat in a mesic temperate grassland. Three of the four mares captured from the prime grazing habitat and released in the semi-arid desert habitat died, apparently due to stress and/or starvation, within 8 weeks of release. The fourth mare survived 4 months but lost considerable weight.The group of mares relocated to the semi-arid desert environment had difficulty adapting to relocation and did not take up the movement behaviour strategy of local horses, which required long distance treks from a central water hole to distant feeding areas at least 15 km away. The movement behaviour, range use and health consequences of relocating equids may be of interest to wildlife ecologists, animal behaviourists and horse welfare groups. The observations may be used to guide those intending on relocating managed domestic and native horses to novel habitats. |
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Equine Behaviour @ team @ |
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6210 |
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| Author |
Van Schaik, C.P.; Burkart, J.M. |
| Title |
Social learning and evolution: the cultural intelligence hypothesis |
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Journal Article |
| Year |
2011 |
Publication |
Philos Trans R Soc B |
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366 |
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Equine Behaviour @ team @ Van Schaik2011 |
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6227 |
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| Author |
Van Horik, J.; Emery, N. |
| Title |
Evolution of cognition |
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Journal Article |
| Year |
2011 |
Publication |
Wiley Interdiscip Rev Cogn Sci |
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2 |
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Equine Behaviour @ team @ Van Horik2011 |
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6230 |
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| Author |
van de Waal, E.; Bshary, R. |
| Title |
Social-learning abilities of wild vervet monkeys in a two-step task artificial fruit experiment |
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Journal Article |
| Year |
2011 |
Publication |
Anim Behav |
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81 |
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Equine Behaviour @ team @ van de Waal2011 |
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6262 |
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Morand-Ferron, J.; Cole, E.F.; Rawles, J.E.C.; Quinn, J.L. |
| Title |
Who are the innovators? A field experiment with 2 passerine species |
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Journal Article |
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2011 |
Publication |
Behav Ecol |
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22 |
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Equine Behaviour @ team @ Morand-Ferron2011 |
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6264 |
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Krange, O.; Skogen, K. |
| Title |
When the lads go hunting: The 'Hammertown mechanism' and the conflict over wolves in Norway |
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Journal Article |
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2011 |
Publication |
Ethnography |
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Ethnography |
| Volume |
12 |
Issue |
4 |
Pages |
466-489 |
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Rural communities are changing. Depopulation and unemployment is accompanied by the advance of new perspectives on nature, where protection trumps resource extraction. These developments are perceived as threatening by rural working-class people with close ties to traditional land use ? a situation they often meet with cultural resistance. Cultural resistance is not necessarily launched against institutionalized power, nor does it necessarily imply a desire for fundamental social change. It should rather be seen as a struggle for autonomy. However, autonomy does not entail influence outside the cultural realm. Struggles to uphold traditional rural lifestyles ? for example by denouncing the current nature conservation regime ? could be understood in much the same conceptual framework as Willis employed in ?Learning to labour?. Based on an ethnographic study of the conflicts over wolf protection, we demonstrate that ?the Hammertown mechanism? is of a more general nature than often implied in the discussion of Willis? work. |
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SAGE Publications |
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1466-1381 |
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doi: 10.1177/1466138110397227 |
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Equine Behaviour @ team @ |
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6425 |
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