| Records |
Author  |
Noë, R.; de Waal, F.B.; van Hooff, J.A. |
| Title |
Types of dominance in a chimpanzee colony |
Type |
Journal Article |
| Year |
1980 |
Publication |
Folia primatologica; international journal of primatology |
Abbreviated Journal |
Folia Primatol (Basel) |
| Volume |
34 |
Issue |
1-2 |
Pages |
90-110 |
| Keywords |
Agonistic Behavior; Animals; Animals, Zoo; *Behavior, Animal; Competitive Behavior; Factor Analysis, Statistical; Female; Hierarchy, Social; Male; *Pan troglodytes; *Social Dominance |
| Abstract |
This study examines to what extent the concept of dominance can be used to describe the social structure of a group of semi-free-living chimpanzees. 15 behavioural variables, based on agonistic, competitive and affinitive behaviour patterns, have been compared with respect to the interindividual directions in which they occurred. In this analysis use was made of indices that reflect the position an individual occupies in the relationship structure. These indices were calculated per individual for all variables and subjected to factor analysis and cluster analysis. As a result, 13 of the variables could be grouped in three categories which have been labelled: (1) agonistic dominance; (2) bluff dominance, and (3) competitive dominance. Whereas the top positions in the hierarchies based on the first two closely related types of dominance were occupied by the adult males, the hierarchy based on the third type was headed by several adult females. |
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0015-5713 |
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PMID:7439873 |
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no |
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refbase @ user @ |
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212 |
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| Author |
OKUDA Y et al, |
| Title |
Grazing behavior and heart rate of young thoroughbreds in pasture |
Type |
Journal Article |
| Year |
1980 |
Publication |
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Abbreviated Journal |
Bull Equ Res Inst |
| Volume |
17 |
Issue |
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Pages |
8-20 |
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| Notes |
from Professor Hans Klingels Equine Reference List |
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no |
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Serial |
1432 |
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| Author |
Parry, B.W.; Gay, C.C.; McCarthy, M.A. |
| Title |
Influence of head height on arterial blood pressure in standing horses |
Type |
Journal Article |
| Year |
1980 |
Publication |
American Journal of Veterinary Research |
Abbreviated Journal |
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| Volume |
41 |
Issue |
10 |
Pages |
1626-1631 |
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Cited By (since 1996): 4; Export Date: 21 October 2008 |
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no |
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Equine Behaviour @ team @ |
Serial |
4539 |
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| Author |
Rubin, L.; Oppegard, C.; Hindz, H.F. |
| Title |
The effect of varying the temporal distribution of conditioning trials on equine learning behavior |
Type |
Journal Article |
| Year |
1980 |
Publication |
Journal of Animal Science |
Abbreviated Journal |
J. Anim Sci. |
| Volume |
50 |
Issue |
6 |
Pages |
1184-1187 |
| Keywords |
Animals; Conditioning (Psychology); *Horses; *Learning |
| Abstract |
Two experiments were conducted to study the effect of varying the temporal distrbution of conditioning sessions on equine learning behavior. In the first experiment, 15 ponies were trained to clear a small hurdle in response to a buzzer in order to avoid a mild electric shock. Three treatments were used. One group received 10 learning trials daily, seven times a week; one group was trained in the same fashion two times a week and one group was trained once a week. The animals conditioned only once a week achieved a high level of performance in significantly fewer sessions than the ones conditioned seven times a week, although elapsed time from start of training to completion was two to three times greater for the former group. The twice-a-week group learned at an intermediate rate. In the second experiment, the ponies were rearranged into three new groups. They were taught to move backward a specific distance in response to a visual cue in order to avoid an electric shock. Again, one group was trained seven times a week, one group was trained two times and one group was trained once a week. As in the first experiment, the animals trained once a week achieved the learning criteria in significantly fewer sessions than those trained seven times a week, but, as in trial 1, elapsed time from start to finish was greater for them. The two times-a-week group learned at a rate in-between the rates of the other two groups. |
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0021-8812 |
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| Notes |
PMID:7400060 |
Approved |
no |
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Equine Behaviour @ team @ |
Serial |
3558 |
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| Author |
Salter Re, H.J. |
| Title |
Range relationships of feral horses with wild ungulates and cattle in western Alberta |
Type |
Journal Article |
| Year |
1980 |
Publication |
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Abbreviated Journal |
J Range Mgmt |
| Volume |
33 |
Issue |
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Pages |
266-271 |
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| Notes |
from Professor Hans Klingels Equine Reference List |
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no |
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Serial |
1552 |
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| Author |
Salter Re, P.D. |
| Title |
Determinants of mineral lick utilization by feral horses |
Type |
Journal Article |
| Year |
1980 |
Publication |
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Abbreviated Journal |
Northwest Sci |
| Volume |
54 |
Issue |
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Pages |
109-118 |
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| Notes |
from Professor Hans Klingels Equine Reference List |
Approved |
no |
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Serial |
1554 |
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| Author |
Schlawe L, |
| Title |
Kritisches zur Nomenklatur und taxonomischen Beurteilung von Equus africanus |
Type |
Journal Article |
| Year |
1980 |
Publication |
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Abbreviated Journal |
Equus |
| Volume |
2 |
Issue |
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Pages |
101-127 |
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| Notes |
from Professor Hans Klingels Equine Reference List |
Approved |
no |
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Serial |
1571 |
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| Author |
Seyfarth, R.M.; Cheney, D.L.; Marler, P. |
| Title |
Monkey responses to three different alarm calls: evidence of predator classification and semantic communication |
Type |
Journal Article |
| Year |
1980 |
Publication |
Science (New York, N.Y.) |
Abbreviated Journal |
Science |
| Volume |
210 |
Issue |
4471 |
Pages |
801-803 |
| Keywords |
*Animal Communication; Animals; Behavior, Animal/*physiology; Cercopithecidae/*physiology; *Fear; Female; Male; Predatory Behavior; Vocalization, Animal |
| Abstract |
Vervet monkeys give different alarm calls to different predators. Recordings of the alarms played back when predators were absent caused the monkeys to run into trees for leopard alarms, look up for eagle alarms, and look down for snake alarms. Adults call primarily to leopards, martial eagles, and pythons, but infants give leopard alarms to various mammals, eagle alarms to many birds, and snake alarms to various snakelike objects. Predator classification improves with age and experience. |
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English |
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0036-8075 |
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| Notes |
PMID:7433999 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
351 |
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| Author |
Shettleworth, S.J.; Juergensen, M.R. |
| Title |
Reinforcement and the organization of behavior in golden hamsters: brain stimulation reinforcement for seven action patterns |
Type |
Journal Article |
| Year |
1980 |
Publication |
Journal of experimental psychology. Animal behavior processes |
Abbreviated Journal |
J Exp Psychol Anim Behav Process |
| Volume |
6 |
Issue |
4 |
Pages |
352-375 |
| Keywords |
Animals; Behavior, Animal/*physiology; Cricetinae; Electric Stimulation; Female; Hypothalamus/*physiology; Male; Medial Forebrain Bundle/physiology; Mesocricetus; *Reinforcement (Psychology) |
| Abstract |
Golden hamsters were reinforced with intracranial electrical stimulation of the lateral hypothalamus (ICS) for spending time engaging in one of seven topographically defined action patterns (APs). The stimulation used as reinforcer elicited hoarding and/or feeding and supported high rates of bar pressing. In Experiment 1, hamsters were reinforced successively for digging, open rearing, and face washing. Digging increased most in time spent, and face washing increased least. Experiments 2-5 examined these effects further and also showed that “scrabbling,” like digging, was performed a large proportion of the time, almost without interruption, for contingent ICS but that scratching the body with a hindleg and scent-marking showed relatively little effect of contingent ICS, the latter even in an environment that facilitated marking. In Experiment 6, naive hamsters received ICS not contingent on behavior every 30 sec (fixed-time 30-sec schedule). Terminal behaviors that developed on this schedule were APs that were easy to reinforce in the other experiments, but a facultative behavior, face washing, was one not so readily reinforced. Experiment 7 confirmed a novel prediction from Experiment 6--that wall rearing, a terminal AP, would be performed at a high level for contingent ICS. All together, the results point to both motivational factors and associative factors being involved in the considerable differences in performance among different reinforced activities. |
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0097-7403 |
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| Notes |
PMID:6968817 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
386 |
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| Author |
Stoddart, D.M. |
| Title |
The ecology of vertebrate olfaction |
Type |
Book Whole |
| Year |
1980 |
Publication |
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Chapman and Hall |
Place of Publication |
London; New York |
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ISBN |
0412218208 9780412218200 |
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no |
| Call Number |
Equine Behaviour @ team @ 6770946 |
Serial |
4367 |
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