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Meriggi, A.; Dagradi, V.; Dondina, O.; Perversi, M.; Milanesi, P.; Lombardini, M.; Raviglione, S.; Repossi, A. |
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Short-term responses of wolf feeding habits to changes of wild and domestic ungulate abundance in Northern Italy |
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Journal Article |
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2014 |
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Ethology Ecology & Evolution |
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Ethology Ecology & Evolution |
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27 |
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4 |
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389-411 |
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Taylor & Francis |
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0394-9370 |
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doi: 10.1080/03949370.2014.986768 |
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Equine Behaviour @ team @ |
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6688 |
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Author |
Baragli, P.; Paoletti, E.; Vitale, V.; Sighieri, C. |
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Title |
Looking in the correct location for a hidden object: brief note about the memory of donkeys (Equus asinus) |
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Journal Article |
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Year |
2011 |
Publication |
Ethology Ecology & Evolution |
Abbreviated Journal |
Ethology Ecology & Evolution |
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Volume |
23 |
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2 |
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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 @ |
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6177 |
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Author |
Podos, J. |
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Early perspectives on the evolution of behavior: Charles Otis Whitman and Oskar Heinroth |
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Year |
1964 |
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Ethology Ecology & Evolution (EEE) |
Abbreviated Journal |
Ethol Ecol Evol |
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6 |
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4 |
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467-480 |
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Equine Behaviour @ team @ |
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2293 |
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Dellert, B.; Ganslosser, U. |
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Experimental alterations of food distribution in two species of captive equids (Equus burchelli and E. hemionus kulan) |
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1997 |
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Ethology Ecology & Evolution (EEE) |
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Ethol Ecol Evol |
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9 |
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1 |
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1-17 |
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n one group each of Plains zebra (six mares, one foal, one subadult) and Asiatic wild asses (seven mares, two foals) at Nuremberg Zoo, food distribution was experimentally changed from clumped (all food in one standard hay rack) to dispersed (one heap per animal). Both groups were characterized by different social structures, which basically remained during the experiment. Plains zebras had an individually structured system of social relationships in a dominance order, wild asses a more egalitarian system without clear-cut rank differences and low frequencies of agonistic interactions. Access to food accordingly was individually (but consistently) different for zebra mares, almost equal for wild ass mares. During the dispersed feeding situation frequencies of agonistic interactions in both species decreased (however non-significantly), individual distances increased but mares also frequently ''visited'' each others' heaps. Feeding time increased for all wild ass mares. Some individuals (in both groups) behaved ''against the trend'' in agonistic behaviour. The results are discussed with regard to food distribution for ungulates in general, and equid social systems. |
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Equine Behaviour @ team @ |
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2292 |
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