Records |
Author |
Woodward Sl, |
Title |
The social system of feral asses |
Type |
Journal Article |
Year |
1979 |
Publication |
Zeitschrift für Tierpsychologie |
Abbreviated Journal |
Z. Tierpsychol. |
Volume |
49 |
Issue |
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Pages |
304-316 |
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Notes |
from Professor Hans Klingels Equine Reference List |
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no |
Call Number |
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Serial |
1720 |
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Author |
Zervanos Sm, K.R. |
Title |
Seasonal home ranges and activity patterns of feral assateague island ponies |
Type |
Conference Volume |
Year |
1979 |
Publication |
Symposium on the Ecology and Behavior of wild and feral Equids, Laramie |
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Issue |
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Pages |
3-14 |
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Notes |
from Professor Hans Klingels Equine Reference List |
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no |
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Serial |
1753 |
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Author |
Boy, V.; Duncan, P. |
Title |
Time-budgets of Camargue horses. I. Developmental changes in the time-budgets of foals. |
Type |
Journal Article |
Year |
1979 |
Publication |
Behaviour |
Abbreviated Journal |
Behaviour |
Volume |
71 |
Issue |
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Pages |
187-201 |
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20 |
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Serial |
1803 |
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Author |
Mori, U. |
Title |
Ecological and sociological studies of gelada baboons. Individual relationships within a unit |
Type |
Journal Article |
Year |
1979 |
Publication |
Contributions to Primatology |
Abbreviated Journal |
Contrib Primatol |
Volume |
16 |
Issue |
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Pages |
93-124 |
Keywords |
Animals; Female; Grooming; *Haplorhini; *Leadership; Male; Paternal Behavior; *Social Behavior; *Theropithecus |
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0301-4231 |
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PMID:101345 |
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no |
Call Number |
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Serial |
2046 |
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Author |
Mori, U. |
Title |
Ecological and sociological studies of gelada baboons. Inter-unit relationships |
Type |
Journal Article |
Year |
1979 |
Publication |
Contributions to Primatology |
Abbreviated Journal |
Contrib Primatol |
Volume |
16 |
Issue |
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Pages |
83-92 |
Keywords |
Animals; Female; *Haplorhini; Leadership; Sex Factors; *Social Behavior; Social Distance; *Theropithecus |
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0301-4231 |
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Notes |
PMID:101344 |
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no |
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Serial |
2047 |
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Author |
Mori, U. |
Title |
Ecological and sociological studies of gelada baboons. Unit formation and the emergence of a new leader |
Type |
Journal Article |
Year |
1979 |
Publication |
Contributions to Primatology |
Abbreviated Journal |
Contrib Primatol |
Volume |
16 |
Issue |
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Pages |
155-181 |
Keywords |
Animals; Female; Grooming; *Haplorhini; Leadership; Male; *Social Behavior; Social Distance; *Theropithecus |
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0301-4231 |
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Notes |
PMID:101335 |
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Serial |
2048 |
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Author |
Roberts, J.; Kacelnik, A.; Hunter, M.L. |
Title |
A model of sound interference in relation to acoustic communication |
Type |
Journal Article |
Year |
1979 |
Publication |
Animal Behaviour. |
Abbreviated Journal |
Anim. Behav. |
Volume |
27 |
Issue |
Part 4 |
Pages |
1271-1273 |
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no |
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Serial |
2124 |
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Author |
Kacelnik, A. |
Title |
The foraging efficiency of great tits (Parus major L.) in relation to light intensity |
Type |
Journal Article |
Year |
1979 |
Publication |
Animal Behaviour. |
Abbreviated Journal |
Anim. Behav. |
Volume |
27 |
Issue |
Part 1 |
Pages |
237-241 |
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Abstract |
I report an experiment aimed at testing whether foraging efficiency of great tits is limited by light intensity at the time of the dawn chorus. Captive great tits hunting for prey under different luminance conditions were less successful in finding prey when foraging, hunted for a lower proportion of their time, and handled individual prey items for longer when luminance was under approximately 7 cd/m2. This luminance is not reached in the field until after the time of the dawn chorus, suggesting that in the early morning foraging is limited by light intensity. I suggest that a satisfactory functional explanation of the dawn chorus must take into account the comparatively low foraging opportunity early in the morning, as well as the factors affecting the opportunity for singing and other territorial activities. |
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Serial |
2125 |
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Author |
Powell, R.A. |
Title |
The dog: Its domestication and behavior : By . New York: Garland STPM Press (1978). 296 pp. $24.50 |
Type |
Journal Article |
Year |
1979 |
Publication |
Animal Behaviour. |
Abbreviated Journal |
Anim. Behav. |
Volume |
27 |
Issue |
Part 1 |
Pages |
318-1211 |
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Serial |
2146 |
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Author |
Fiske, J.C.; Potter, G.D. |
Title |
Discrimination reversal learning in yearling horses |
Type |
Journal Article |
Year |
1979 |
Publication |
J. Anim. Sci. |
Abbreviated Journal |
J. Anim. Sci. |
Volume |
49 |
Issue |
2 |
Pages |
583-588 |
Keywords |
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Abstract |
Twenty-six yearling horses were tested on a serial reversal learning discrimination combining spatial and brightness cues. An original discrimination of rewarded or nonrewarded stimuli was made followed by 20 daily reversals for position/brightness discrimination. Learning criteria were defined as 11 out of 12 correct, with the last eight responses all correct. Each horse was allowed 30 trials per discrimination to achieve criteria. Mean errors (ME) and mean trials (MT) required to achieve criteria were computed for each horse. A relative learning ability index (LAI) was calculated by the formula 1000/MT/ME. A daily emotionality score, based on a scale of one (tranquil) to six (very excitable) was assigned each horse each day after testing and a mean computed for each horse. A single subjective trainability score, based on a scale of one (difficult to train) to six (easy to train) was obtained for each horse from an independent trainer. Linear regression analyses for all 26 horses revealed a reduction in MT and ME (P<.01) over the 21-day test period indicating evidence of learning to learn. Differences (P<.05) were evident between sexes for MT and ME. Significant correlations between trainability scores and learning ability indices MT, ME, and LAI were evident for colts and geldings but not for fillies. Pooled data showed significant correlations between ME and trainability. There was a negative correlation (P<.05) between emotionality and trainability scores for all 26 horses, although the filly group did not exhibit significant correlation between these parameters. |
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Cited By (since 1996): 31; Export Date: 24 October 2008 |
Approved |
no |
Call Number |
Admin @ knut @ |
Serial |
4583 |
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