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Author |
Klingel, H. |
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Title |
Observations on social organization and behaviour of African and Asiatic Wild Asses (Equus africanus and Equus hemionus) |
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Journal Article |
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Year  |
1998 |
Publication |
Applied Animal Behaviour Science |
Abbreviated Journal |
Appl Anim Behav Sci |
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Volume |
60 |
Issue |
2 |
Pages |
103-113 |
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Keywords |
Equus africanus Equus hemionus Territoriality |
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Abstract |
1This paper appears with kind permission of Verlag Paul Parey, Berlin and Hamburg. It was originally published in Z. Tierpsychol., 44, 323-331 (1977), ISSN 0044-3573/ASTM-Coden: ZETIAG.1
Abstract
African and Asiatic Wild Asses (Equus africanus and Equus hemionus) live in unstable groups or herds of variable composition. Some of the adult stallions are territorial in large territories in which they tolerate other ♂♂. The territorial ♂♂ are dominant over all their conspecifics |
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0168-1591 |
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no |
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Call Number |
Equine Behaviour @ team @ |
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6173 |
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Author |
Mench, J.A.; Morrow-Tesch, J.; Chu, L.-R. |
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Title |
Environmental enrichment for farm animals |
Type |
Journal Article |
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Year |
1998 |
Publication |
Lab Animal |
Abbreviated Journal |
Lab Anim. |
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Volume |
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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Author |
Zohary, D.; Tchernov, E.; Horwitz, L.K. |
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Title |
The role of unconscious selection in the domestication of sheep and goats |
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Journal Article |
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Year |
1998 |
Publication |
J Zool |
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245 |
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Equine Behaviour @ team @ Zohary1998 |
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6240 |
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Author |
Whiten, A. |
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Title |
Imitation of the sequential structure of actions by chimpanzees |
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Journal Article |
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Year |
1998 |
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J Comp Psychol |
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11 |
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Call Number |
Equine Behaviour @ team @ Whiten1998 |
Serial |
6291 |
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Author |
Breitenmoser, U. |
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Title |
Large predators in the Alps: the fall and rise of man's competitors |
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Journal Article |
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Year |
1998 |
Publication |
Biol Conserv |
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83 |
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Equine Behaviour @ team @ Breitenmoser1998 |
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6450 |
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Author |
Gese, E.M.; Ruff, R.L. |
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Title |
Howling by coyotes (Canis latrans): variation among social classes, seasons, and pack sizes |
Type |
Journal Article |
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Year |
1998 |
Publication |
Can J Zool |
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76 |
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no |
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Call Number |
Equine Behaviour @ team @ Gese1998 |
Serial |
6462 |
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Author |
Peters, G.; Tembrock, G. |
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Title |
Subharmonics, biphonation, and deterministic chaos in mammal vocalizations |
Type |
Journal Article |
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Year |
1998 |
Publication |
Bioacoustics |
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Volume |
9 |
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Equine Behaviour @ team @ Peters1998 |
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6483 |
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Title |
Animal Acoustic Communication: Sound Analysis and Research Methods |
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1998 |
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Springer |
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Berlin |
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Call Number |
Equine Behaviour @ team @ ref56 |
Serial |
6497 |
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Author |
Nissen, J. |
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Title |
Enzyklopädie der Pferderassen |
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Book Whole |
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1998 |
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Kosmos |
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Stuttgart |
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Call Number |
Equine Behaviour @ team @ |
Serial |
6543 |
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Author |
Hanggi, E.B. |
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Title |
Categorization Learning in Horses (Equus caballus) |
Type |
Journal Article |
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Year |
1999 |
Publication |
Journal of Comparative Psychology |
Abbreviated Journal |
J. Comp. Psychol. |
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Volume |
113 |
Issue |
3 |
Pages |
243-252 |
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Abstract |
Categorization learning was investigated in 2 horses (Equus caballus). Both horses learned to select a 2-dimensional black stimulus with an open center instead of a filled stimulus in a 2-choice discrimination task. After a criterion of 10 out of 10 correct responses in a random series for 2 consecutive sessions was reached, 15 additional pairs of open-center versus filled stimuli were tested. Each was run to criterion and then incorporated into sessions of randomly mixed problems. Both horses solved the 1st problem by simple pattern discrimination and showed evidence of categorical processing for subsequent problems. New pairs were learned with few or no errors, and correct responses on novel trials were significantly above chance. These results suggest that the horses were making their selections on the basis of shared characteristics with the training stimuli and were using categorization skills in problem solving. |
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Approved |
yes |
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Call Number |
Equine Behaviour @ team @ |
Serial |
3678 |
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