| Records |
| Author |
Ringhofer, M.; Yamamoto, S. |
| Title |
Erratum to: Domestic horses send signals to humans when they are faced with an unsolvable task |
Type |
Journal Article |
| Year |
2017 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
| Volume |
20 |
Issue |
3 |
Pages |
407-407 |
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| Abstract |
Some domestic animals are thought to be skilled at social communication with humans due to the process of domestication. Horses, being in close relationship with humans, similar to dogs, might be skilled at communication with humans. Previous studies have indicated that they are sensitive to bodily signals and the attentional state of humans; however, there are few studies that investigate communication with humans and responses to the knowledge state of humans. Our first question was whether and how horses send signals to their potentially helpful but ignorant caretakers in a problem-solving situation where a food item was hidden in a bucket that was accessible only to the caretakers. We then examined whether horses alter their behaviours on the basis of the caretakers’ knowledge of where the food was hidden. We found that horses communicated to their caretakers using visual and tactile signals. The signalling behaviour of the horses significantly increased in conditions where the caretakers had not seen the hiding of the food. These results suggest that horses alter their communicative behaviour towards humans in accordance with humans’ knowledge state. |
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1435-9456 |
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Equine Behaviour @ team @ Ringhofer2017 |
Serial |
6135 |
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| Author |
Griffin, A.S.; Tebbich, S.; Bugnyar, T. |
| Title |
Animal cognition in a human-dominated world |
Type |
Journal Article |
| Year |
2017 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
| Volume |
20 |
Issue |
1 |
Pages |
1-6 |
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| Abstract |
In the USA, each year, up to one billion birds are estimated to die from colliding with windowpanes (Sabo et al. 2016). A further 573,000 are struck down by wind turbines, along with 888,000 bats (Smallwood 2013). Worldwide, unintended capture in fishing devices is recognized as the single most serious global threat to migratory, long-lived marine taxa including turtles, birds, mammals and sharks (Wallace et al. 2013). Estimates put the number of amphibians killed per year on Australian roads at 5 million (Seiler 2003). The likelihood of a green turtle erroneously ingesting plastic debris, often by mistaking them for food, rose from 30% in 1985 to almost 50% in 2012 (Schuyler et al. 2013). Human-induced rapid environmental change (HIREC, sensu Sih et al. 2011) is filling animals’ environments with new threats which bear little or excessive similarity to those they have encountered in their evolutionary history (Dwernychuk and Boag 1972; Patten and Kelley 2010; Witherington 1997). As a consequence, many of the stimuli involved fall outside the adaptive processing space of animals’ evolutionary perceptual, learning, memory and decision-making systems, making individuals particularly vulnerable to their impact. |
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1435-9456 |
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Equine Behaviour @ team @ Griffin2017 |
Serial |
6129 |
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| Author |
Byrne, R.W. |
| Title |
Do larger brains mean greater intelligence? |
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Journal Article |
| Year |
1993 |
Publication |
Behavioral and Brain Sciences |
Abbreviated Journal |
Behav. Brain Sci. |
| Volume |
16 |
Issue |
4 |
Pages |
696-697 |
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Cambridge University Press |
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1469-1825 |
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Equine Behaviour @ team @ |
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6171 |
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| Author |
Krueger, K.; Marr, I.; Farmer, K. |
| Title |
Equine Cognition |
Type |
Book Chapter |
| Year |
2017 |
Publication |
Encyclopedia of Animal Cognition and Behavior |
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1-11 |
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Springer International Publishing |
Place of Publication |
Cham |
Editor |
Vonk, J.; Shackelford, T. |
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978-3-319-47829-6 |
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Equine Behaviour @ team @ Krueger2017 |
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6181 |
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Collins, G.H.; Petersen, S.L.; Carr, C.A.; Pielstick, L. |
| Title |
Testing VHF/GPS Collar Design and Safety in the Study of Free-Roaming Horses |
Type |
Journal Article |
| Year |
2014 |
Publication |
Plos One |
Abbreviated Journal |
Plos One |
| Volume |
9 |
Issue |
9 |
Pages |
e103189 |
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Effective and safe monitoring techniques are needed by U.S. land managers to understand free-roaming horse behavior and habitat use and to aid in making informed management decisions. Global positioning system (GPS) and very high frequency (VHF) radio collars can be used to provide high spatial and temporal resolution information for detecting free-roaming horse movement. GPS and VHF collars are a common tool used in wildlife management, but have rarely been used for free-roaming horse research and monitoring in the United States. The purpose of this study was to evaluate the design, safety, and detachment device on GPS/VHF collars used to collect free-roaming horse location and movement data. Between 2009 and 2010, 28 domestic and feral horses were marked with commercial and custom designed VHF/GPS collars. Individual horses were evaluated for damage caused by the collar placement, and following initial observations, collar design was modified to reduce the potential for injury. After collar modifications, which included the addition of collar length adjustments to both sides of the collar allowing for better alignment of collar and neck shapes, adding foam padding to the custom collars to replicate the commercial collar foam padding, and repositioning the detachment device to reduce wear along the jowl, we observed little to no evidence of collar wear on horses. Neither custom-built nor commercial collars caused injury to study horses, however, most of the custom-built collars failed to collect data. During the evaluation of collar detachment devices, we had an 89% success rate of collar devices detaching correctly. This study showed that free-roaming horses can be safely marked with GPS and/or VHF collars with minimal risk of injury, and that these collars can be a useful tool for monitoring horses without creating a risk to horse health and wellness. |
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Public Library of Science |
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no |
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Equine Behaviour @ team @ |
Serial |
6209 |
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| Author |
Creswell, J.W. |
| Title |
Research design |
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Book Whole |
| Year |
2014 |
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Pages |
XXIX, 273 Seiten |
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Sage |
Place of Publication |
Los Angeles |
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qualitative, quantitative, and mixed methods approaches |
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978-1-4522-7461-4 |
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no |
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Equine Behaviour @ team @ |
Serial |
6184 |
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Mench, J.A.; Morrow-Tesch, J.; Chu, L.-R. |
| Title |
Environmental enrichment for farm animals |
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Journal Article |
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1998 |
Publication |
Lab Animal |
Abbreviated Journal |
Lab Anim. |
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27 |
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32-36 |
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ISSN : 0093-7355 |
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no |
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Equine Behaviour @ team @ |
Serial |
6188 |
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Riley, J.L.; Noble, D.W.A.; Byrne, R.W.; Whiting, M.J. |
| Title |
Does social environment influence learning ability in a family-living lizard? |
Type |
Journal Article |
| Year |
2017 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
| Volume |
20 |
Issue |
3 |
Pages |
449-458 |
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Early developmental environment can have profound effects on individual physiology, behaviour, and learning. In birds and mammals, social isolation during development is known to negatively affect learning ability; yet in other taxa, like reptiles, the effect of social isolation during development on learning ability is unknown. We investigated how social environment affects learning ability in the family-living tree skink (Egernia striolata). We hypothesized that early social environment shapes cognitive development in skinks and predicted that skinks raised in social isolation would have reduced learning ability compared to skinks raised socially. Offspring were separated at birth into two rearing treatments: (1) raised alone or (2) in a pair. After 1 year, we quantified spatial learning ability of skinks in these rearing treatments (N = 14 solitary, 14 social). We found no effect of rearing treatment on learning ability. The number of skinks to successfully learn the task, the number of trials taken to learn the task, the latency to perform the task, and the number of errors in each trial did not differ between isolated and socially reared skinks. Our results were unexpected, yet the facultative nature of this species' social system may result in a reduced effect of social isolation on behaviour when compared to species with obligate sociality. Overall, our findings do not provide evidence that social environment affects development of spatial learning ability in this family-living lizard. |
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1435-9456 |
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Equine Behaviour @ team @ Riley2017 |
Serial |
6190 |
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| Author |
Liedtke, J.; Schneider, J.M. |
| Title |
Social makes smart: rearing conditions affect learning and social behaviour in jumping spiders |
Type |
Journal Article |
| Year |
2017 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
| Volume |
20 |
Issue |
6 |
Pages |
1093-1106 |
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| Abstract |
There is a long-standing debate as to whether social or physical environmental aspects drive the evolution and development of cognitive abilities. Surprisingly few studies make use of developmental plasticity to compare the effects of these two domains during development on behaviour later in life. Here, we present rearing effects on the development of learning abilities and social behaviour in the jumping spider Marpissa muscosa. These spiders are ideally suited for this purpose because they possess the ability to learn and can be reared in groups but also in isolation without added stress. This is a critical but rarely met requirement for experimentally varying the social environment to test its impact on cognition. We split broods of spiders and reared them either in a physically or in a socially enriched environment. A third group kept under completely deprived conditions served as a 'no-enrichment' control. We tested the spiders' learning abilities by using a modified T-maze. Social behaviour was investigated by confronting spiders with their own mirror image. Results show that spiders reared in groups outperform their conspecifics from the control, i.e. 'no-enrichment', group in both tasks. Physical enrichment did not lead to such an increased performance. We therefore tentatively suggest that growing up in contact with conspecifics induces the development of cognitive abilities in this species. |
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1435-9456 |
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Equine Behaviour @ team @ Liedtke2017 |
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6191 |
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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 |
18 |
Issue |
5 |
Pages |
1093-1103 |
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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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1435-9456 |
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Equine Behaviour @ team @ Whalen2015 |
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6192 |
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