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Author |
Smuts, B.B. |
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Title |
Sex and Friendship in Baboons |
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Miscellaneous |
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1985 |
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Equine Behaviour @ team @ |
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4871 |
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Author |
Trivers, R.L. |
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Title |
Social Evolution |
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Miscellaneous |
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1985 |
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Equine Behaviour @ team @ |
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4906 |
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Author |
Shettleworth, S.J. |
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Title |
Handling time and choice in pigeons |
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Journal Article |
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Year |
1985 |
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J Exp Anal Behav |
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Volume |
44 |
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2 |
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139-155 |
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Abstract |
According to optimal foraging theory, animals should prefer food items with the highest ratios of energy intake to handling time. When single items have negligible handling times, one large item should be preferred to a collection of small ones of equivalent total weight. However, when pigeons were offered such a choice on equal concurrent variable-interval schedules in a shuttlebox, they preferred the side offering many small items per reinforcement to that offering one or a few relatively large items. This preference was still evident on concurrent fixed-cumulative-duration schedules in which choosing the alternative with longer handling time substantially lowered the rate of food intake. |
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English |
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0022-5002 |
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PMID:16812429 |
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Call Number |
refbase @ user @ |
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383 |
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Author |
EISENMANN, V. |
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Title |
Le couagga: un zebre aux origines. |
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Journal Article |
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Year |
1985 |
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Abbreviated Journal |
La Recherche |
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16 |
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254-256 |
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Notes |
from Professor Hans Klingels Equine Reference List |
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1055 |
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Author |
Eisenmann V, |
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Title |
Quagga |
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Journal Article |
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Year |
1985 |
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Mammoth Trumpet |
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2 |
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from Professor Hans Klingels Equine Reference List |
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no |
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1056 |
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Author |
Hoffmann R, |
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Title |
On the development of scial behaviour in immature males of a feral horse population |
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Journal Article |
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Year |
1985 |
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Z Säugetierk |
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50 |
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302-314 |
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Notes |
from Professor Hans Klingels Equine Reference List |
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no |
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1192 |
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Author |
Klimov Vv, |
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Title |
A spatial- ethological organization of the herd of Przewalski's horses in Askania – Nova |
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Journal Article |
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Year |
1985 |
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Abbreviated Journal |
Zool J |
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Volume |
64 |
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282-295 |
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Notes |
from Professor Hans Klingels Equine Reference List |
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1276 |
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Author |
Kolter L, |
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Title |
Soziale Bezeihungen zwischen den Przewalskipferden im Kölner Zoo |
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Journal Article |
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Year |
1985 |
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Z Kölner Zoo |
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Volume |
28 |
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193-201 |
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from Professor Hans Klingels Equine Reference List |
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1325 |
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Author |
Lowenstein Jm, |
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Title |
Half- striped quagga was a plains zebra |
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Journal Article |
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Year |
1985 |
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New Scientist |
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Volume |
107 |
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27 |
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from Professor Hans Klingels Equine Reference List |
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1351 |
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Author |
Lowenstein Jm, |
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Title |
The cry of the quagga |
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Journal Article |
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Year |
1985 |
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Abbreviated Journal |
Counterpoints in Science |
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Pages |
40-42 |
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from Professor Hans Klingels Equine Reference List |
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1352 |
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