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Brubaker, L.; Udell, M.A.R. |
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Title |
Cognition and learning in horses (Equus caballus): What we know and why we should ask more |
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Journal Article |
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2016 |
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Behavioural Processes |
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126 |
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121-131 |
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Horse behaviour; Horse welfare; Learning; Social cognition |
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Abstract Horses (Equus caballus) have a rich history in their relationship with humans. Across different cultures and eras they have been utilized for work, show, cultural rituals, consumption, therapy, and companionship and continue to serve in many of these roles today. As one of the most commonly trained domestic animals, understanding how horses learn and how their relationship with humans and other horses impacts their ability to learn has implications for horse welfare, training, husbandry and management. Given that unlike dogs and cats, domesticated horses have evolved from prey animals, the horse-human relationship poses interesting and unique scientific questions of theoretical value. There is still much to be learned about the cognition and behaviour of horses from a scientific perspective. This review explores current research within three related areas of horse cognition: human-horse interactions, social learning and independent learning in horses. Research on these topics is summarized and suggestions for future research are provided. |
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0376-6357 |
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Equine Behaviour @ team @ |
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6021 |
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Le Pendu, Y.; Guilhem, C.; Briedermann, L.; Maublanc, M.-L.; Gerard, J.-F. |
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Interactions and associations between age and sex classes in mouflon sheep (Ovis gmelini) during winter |
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Journal Article |
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2000 |
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Behavioural Processes |
Abbreviated Journal |
Behav. Process. |
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52 |
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2-3 |
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97-107 |
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Group composition; Interactive behaviour; Sexual segregation; Social organisation; Ungulate; Wild sheep |
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Equine Behaviour @ team @ |
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4248 |
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Schmidt, J.; Scheid, C.; Kotrschal, K.; Bugnyar, T.; Schloegl, C. |
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Title |
Gaze direction – A cue for hidden food in rooks (Corvus frugilegus)? |
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Journal Article |
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2011 |
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Behavioural Processes |
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88 |
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2 |
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88-93 |
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Gaze; Object choice; Corvids; Effort; Rooks |
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Other individual's head- and eye-directions can be used as social cues indicating the presence of important events. Among birds, ravens and rooks have been shown to co-orient with conspecifics and with humans by following their gaze direction into distant space and behind visual screens. Both species use screens to cache food in private; also, it had been suggested that they may rely on gaze cues to detect hidden food. However, in an object-choice task, ravens failed to do so, and their competitive lifestyle may have prevented them from relying on these cues. Here we tested closely related and cooperative rooks. Food was hidden in one of two cups and the experimenter gazed at the baited cup. In a second experiment, we aimed to increase the birds’ motivation to choose correctly by increasing the investment needed to obtain the reward. To do so, the birds had to pull on a string to obtain the cup. Here, the birds as a group tended to rely on gaze cues. In addition, individual birds quickly learned to use the cue in both experiments. Although rooks may not use gaze cues to find hidden food spontaneously, they may quickly learn to do so. |
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0376-6357 |
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Equine Behaviour @ team @ |
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5420 |
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Schloegl, C.; Kotrschal, K.; Bugnyar, T. |
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Title |
Modifying the object-choice task: Is the way you look important for ravens? |
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Journal Article |
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2008 |
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Behavioural Processes |
Abbreviated Journal |
Behav. Process. |
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77 |
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1 |
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61-65 |
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Gaze; Modification; Object-choice task; Raven |
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Most animals seem to have difficulties in using gaze cues to find hidden food in object-choice tasks. For instance, chimpanzees usually fail in these tests, even though they are capable of following other's gaze geometrically behind barriers. Similar to chimpanzees, common ravens are skilled in tracking other's gaze but fail in object-choice tasks. We here explored whether procedural modifications, which had been used successfully in chimpanzees, would also yield positive results in ravens. In our modifications (a) the experimenter approached the cup while gazing at it, (b) the gaze cue was accompanied by a sound and (c) the experimenter could actually see the food while giving the gaze cue. Two out of seven birds performed above chance level in some of these conditions. However, we ascribe this improvement to the individuals' learning ability rather than to an understanding of the communicative nature of the task. This interpretation is further supported by results of a follow-up experiment suggesting that ravens may not rely on conspecifics' gaze cues for finding food caches in a natural foraging context. In sum, our results suggest that ravens may not transfer their gaze follow abilities to foraging situations involving hidden food. |
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Equine Behaviour @ team @ |
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4505 |
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Petherick, J.C.; Seawright, E.; Waddington, D. |
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Title |
Influence of motivational state on choice of food or a dustbathing/foraging substrate by domestic hens |
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Journal Article |
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Year |
1993 |
Publication |
Behavioural Processes |
Abbreviated Journal |
Behav. Process. |
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28 |
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3 |
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209-220 |
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Food; Learning; Litter; Motivation; Poultry; Preference |
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Domestic hens were trained to run a Y-maze and make an association between differently coloured doorways and access to food pellets or sand. The hens were tested for their choice of doorway when the goals were not visible from the choice point and when they were food or sand deprived. Hens made the choice appropriate to their deprivation state (correct choice) significantly more often for food than sand and were faster at choosing and entering the goal box when food deprived. In a follow up experiment, the goals were visible from the choice point. Again the hens chose correctly significantly more often when food than sand deprived and made the choice and entered the goal box faster when food deprived. Thus, failure to choose sand in the first experiment was not due to an inability to learn the association, but appears to result from a strong motivation to feed in the Y-maze, even when not food deprived, and a weak motivation to dustbathe or forage, even when sand deprived. |
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Equine Behaviour @ team @ |
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3608 |
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Author |
Daniels, T.J.; Bekoff, M. |
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Title |
Feralization: The making of wild domestic animals |
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Journal Article |
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Year |
1989 |
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Behavioural Processes |
Abbreviated Journal |
Behav. Process. |
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19 |
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1-3 |
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79-94 |
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feralization; domestication; feral dogs |
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The widely accepted viewpoint that feralization is the reverse of domestication requires that the feralization process be restricted to populations of animals and, therefore, cannot occur in individuals. An alternative, ontogenetic approach is presented in which feralization is defined as the process by which individual domestic animals either become desocialized from humans, or never become socialized, and thus behave as untamed, non-domestic animals. Feralization will vary among species and, intraspecifically, will depend upon an individual's age and history of socialization to humans. Because feralization is not equated with morphological change resulting from evolutionary processes, species formation is not an accurate indicator of feral condition. |
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Cited By (since 1996): 5; Export Date: 24 October 2008 |
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Admin @ knut @ |
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4580 |
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Krueger, K.; Flauger, B. |
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Title |
Social feeding decisions in horses (Equus caballus) |
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Journal Article |
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Year |
2008 |
Publication |
Behavioural Processes |
Abbreviated Journal |
Behav. Process. |
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78 |
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1 |
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76-83 |
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Feeding decision; Horse; Rank; Social behaviour |
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Like many other herbivores, in a natural environment equids feed on rather evenly distributed resources. However, the vegetation in their vast habitats constantly changes. If food is plentiful only little competition occurs over food, and in non-competitive situations domestic horses tend to return to the same feeding site until it is overgrazed. In contrast, they compete over limited food for which the social status of the individuals appears to be important. Especially in ruminants several studies have proved an influence of social organisations, rank, sex and the depletion of feeding sites on the feeding behaviour of individuals. However, it is not yet understood whether and how social aspects affect horses“ feeding decisions. Curiosity about the influence of social rank on the horses” feeding decisions between two, equally with high-quality surplus food-filled buckets placed in different social feeding conditions, led us to create the test below. The observer horses were alternately tested with a dominant and a subordinate demonstrator placed in one of the three different positions. We conclude that domestic horses use social cognition and strategic decision making in order to decide where to feed in a social feeding situation. When possible they tend to return to the same, continuously supplied feeding site and switch to an “avoidance tendency” in the presence of dominant horses or when another horse is already feeding there. Thus, the social rank and the position of conspecifics affect the feeding strategy of horses. |
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Equine Behaviour @ team @ |
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4394 |
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Krueger, K.; Schneider, G.; Flauger, B.; Heinze, J. |
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Title |
Context-dependent third-party intervention in agonistic encounters of male Przewalski horses |
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2015 |
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Behavioural Processes |
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Behav. Process. |
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121 |
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54-62 |
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Equus ferus przewalskii; Group conflict; Rank orders; Social bonds; Social control; Third-party intervention |
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Abstract One mechanism to resolve conflict among group members is third party intervention, for which several functions, such as kin protection, alliance formation, and the promotion of group cohesion have been proposed. Still, empirical research on the function of intervention behaviour is rare. We studied 40 cases of intervention behaviour in a field study on 13 semi-wild bachelor horses (Equus ferus przewalskii) in (a) standard social situations, and (b) when new horses joined the group (i.e. introductions). Only interventions in agonistic encounters were analysed. Eight of 13 animals directed intervention behaviour toward threatening animal in agonistic encounters of group members. One stallion was particularly active. The stallions did not intervene to support former group mates or kin and interventions were not reciprocated. In introduction situations and in standard social situations, the interveners supported animals which were lower in rank, but targeted, threatening animals of comparable social rank. After introductions, stallions received more affiliative behaviour from animals they supported and thus appeared to intervene for alliance formation. In standard social situations, interveners did not receive more affiliative behaviour from animals they supported and may primarily have intervened to promote group cohesion and to reduce social disruption within the group. |
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Equine Behaviour @ team @ |
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5925 |
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Wolff, A.; Hausberger, M.; Le Scolan, N. |
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Experimental tests to assess emotionality in horses |
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1997 |
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Behavioural Processes |
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Behav. Process. |
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40 |
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3 |
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209-221 |
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Emotivity; Gregariousness; Horse; Neophobia; Open-field |
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Different tests were used to assess different aspects of the emotionality of 1-3 year-old horses: arena test; a [`]novel object' test; and a handling test. In reaction to the test situations no important differences were observed according to age or sex in the behaviour patterns, but clear individual differences were observed within these classes. The arena test seemed to reveal the degree of gregariousness of the animals whereas the results in the two other tests were correlated and seemed to reflect an inherent degree of fearfulness in the horse. Indices were developed that enabled to rank the animals, by taking into account all behaviour patterns shown. Such individual characteristics might have some genetic basis: half-siblings tended to behave the same way in most cases. |
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0376-6357 |
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Equine Behaviour @ team @ |
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5018 |
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Fureix, C.; Pagès, M.; Bon, R.; Lassalle, J.-M.; Kuntz, P.; Gonzalez, G. |
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A preliminary study of the effects of handling type on horses' emotional reactivity and the human-horse relationship |
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2009 |
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Behavioural Processes |
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Behav. Process. |
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82 |
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2 |
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202-210 |
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Emotional reactivity; Handling style; Horse; Human-horse relationship |
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Handling is a crucial component of the human-horse relationship. Here, we report data from an experiment conducted to assess and compare the effect of two training methods. Two groups of six Welsh mares were trained during four sessions of 50 min, one handled with traditional exercises (halter leading, grooming/brushing, lifting feet, lunging and pseudo-saddling (using only girth and saddle pad) and the second group with natural horsemanship exercises (desensitization, yielding to body pressure, lunging and free-lunging). Emotional reactivity (ER) and the human-horse relationship (HHR) were assessed both prior to and following handling. A social isolation test, a neophobia test and a bridge test were used to assess ER. HHR was assessed through test of spontaneous approach to, and forced approach by, an unknown human. Horses' ER decreased after both types of handling as indicated by decreases in the occurrence of whinnying during stressful situations. Head movement (jerk/shake) was the most sensitive variable to handling type. In the spontaneous approach tests, horses in the traditional handling group showed higher latencies to approach a motionless person after handling than did the natural horsemanship group. Our study suggests that natural horsemanship exercises could be more efficient than traditional exercises for improving horses' HHR. |
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Equine Behaviour @ team @ |
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5092 |
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