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Author |
Olivier W, |
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Title |
Is it possible to bring back the quagga? |
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Journal Article |
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Year |
1987 |
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Abbreviated Journal |
Roan News |
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Volume |
4 |
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1-2 |
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Notes |
from Professor Hans Klingels Equine Reference List |
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no |
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Serial |
1435 |
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Author |
Penzhorn Bl, |
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Title |
Descriptions of incisors of known – age Cape Mountain Zebras from the Mountain Zebra National park |
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Journal Article |
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Year |
1987 |
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Abbreviated Journal |
Onderstepoort J vet Res |
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Volume |
54 |
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Pages |
135-141 |
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Notes |
from Professor Hans Klingels Equine Reference List |
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no |
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Serial |
1459 |
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Author |
Penzhorn Bl, G.R. |
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Title |
Incisor wear in free – ranging Cape mountain zebras |
Type |
Journal Article |
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Year |
1987 |
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Abbreviated Journal |
S Afr J Wildl Res |
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Volume |
17 |
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Pages |
99-102 |
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Notes |
from Professor Hans Klingels Equine Reference List |
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no |
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Serial |
1461 |
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Author |
Penzhorn Bl, L.P. |
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Title |
Comparisons of reproductive parameters of two Cape mountain zebra populations |
Type |
Journal Article |
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Year |
1987 |
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Abbreviated Journal |
J Reprod Fert Suppl |
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Volume |
35 |
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Pages |
661-663 |
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Notes |
from Professor Hans Klingels Equine Reference List |
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no |
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1462 |
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Author |
Schilder Mbh, B.P. |
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Title |
Ethological investigations on a herd of Plains Zebra in a safari park: Time – budgets, reproduction and food competition |
Type |
Journal Article |
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Year |
1987 |
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Abbreviated Journal |
App Anim Behav Sci |
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Volume |
18 |
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Pages |
45-56 |
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Notes |
from Professor Hans Klingels Equine Reference List |
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no |
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1568 |
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Author |
SUMMERS PM et al, |
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Title |
Sucessful transfer of the embryos of Przewalski's horses and Grant's zebra to domestic mares |
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Journal Article |
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Year |
1987 |
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Abbreviated Journal |
J Reprod Fert |
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Volume |
80 |
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Pages |
13-20 |
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Notes |
from Professor Hans Klingels Equine Reference List |
Approved |
no |
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Call Number |
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Serial |
1638 |
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Author |
Tomasello, M.; Davis-Dasilva, M.; Camak, L.; Bard, K. |
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Title |
Observational learning of tool-use by young chimpanzees |
Type |
Journal Article |
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Year |
1987 |
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Abbreviated Journal |
Human Evolution |
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Volume |
2 |
Issue |
2 |
Pages |
175-183 |
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Keywords |
Chimpanzees; Observational Learning; Tool-Use |
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Abstract |
In the current study two groups of young chimpanzees (4–6 and 8–9 years old) were given a T-bar and a food item that could only be reached by using the T-bar. Experimental subjects were given the opportunity to observe an adult using the stick as a tool to obtain the food; control subjects were exposed to the adult but were given no demonstration. Subjects in the older group did not learn to use the tool. Subjects in the younger group who were exposed to the demonstrator learned to use the stick as a tool much more readily than those who were not. None of the subjects demonstrated an ability to imitatively copy the demonstrator's precise behavioral strategies. More than simple stimulus enhancement was involved, however, since both groups manipulated the T-bar, but only experimental subjects used it in its function as a tool. Our findings complement naturalistic observations in suggesting that chimpanzee tool-use is in some sense «culturally transmitted» — though perhaps not in the same sense as social-conventional behaviors for which precise copying of conspecifics is crucial. |
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Kluwer Academic Publishers |
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English |
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ISSN |
0393-9375 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
5915 |
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Author |
Scheunert, A. Trautmann, A. |
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Title |
Lehrbuch der Veterinär-Physiologie. |
Type |
Book Whole |
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Year |
1987 |
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Parey |
Place of Publication |
Berlin |
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978-3489662167 |
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no |
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Equine Behaviour @ team @ |
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4441 |
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Author |
Feh, C. |
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Title |
Etude du développement des relations sociales chez des étalons (Equus caballus) de race camargue et de leur contribution à l'organisation sociale du groupe |
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Manuscript |
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Year |
1987 |
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Abstract |
Diplôme de recherche universitaire: neurosciences comportementales: Université d'Aix-Marseille II. Faculté des sciences de Luminy Marseille (FRA)* 117p |
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Master's thesis |
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Université d'Aix-Marseille |
Place of Publication |
Marseille |
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no |
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Equine Behaviour @ team @ |
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5485 |
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Author |
Tizard I. |
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Title |
An introduction to veterinary immunology. |
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Book Whole |
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Year |
1987 |
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WB Saunders Co. |
Place of Publication |
Philadelphia |
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no |
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Equine Behaviour @ team @ |
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6000 |
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