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Author |
Humphrey, N. K. |
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Title |
The social function of intellect. |
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Book Chapter |
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Year |
1976 |
Publication |
Growing Points in Ethology |
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303-317 |
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Cambridge University Press |
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Cambridge |
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Bateson, P. P. G.; Hinde, R. A. |
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Call Number |
Equine Behaviour @ team @ |
Serial  |
5459 |
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Author |
Bernstein, I. S. |
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Title |
Dominance, aggression and reproduction in primate societies |
Type |
Journal Article |
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Year |
1976 |
Publication |
Journal of Theoretical Biology |
Abbreviated Journal |
J. Theor. Biol. |
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Volume |
60 |
Issue |
2 |
Pages |
459-472 |
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Abstract |
Dominance relationships in primate societies are generally inferred by analyses of agonistic interactions. This aspect of social organization is so striking in macaque and baboon societies that many theoreticians have postulated selective mechanisms operating on the genetic attributes which contribute to high dominance rank. Alpha males were hypothesized to increase their genetic fitness by successfully competing with other males for access to ovulating females. Evidence relevant to these speculations has been mixed. Whereas some investigators found alpha males had near exclusive sexual access to females, others failed to confirm preferential access to ovulating females. Indeed, considerable variability in competition for females existed not only among species, but also among troops of the same species living in different habitats. Further, partner selection was not an exclusive male prerogative; females proved to express active preferences for particular males as sexual partners, and these preferences were not related to high male aggressivity. Alpha males, however, were noted to maintain their positions through social skills as members of a central core or alliance, and high rank was related primarily to seniority. Moreover, alpha males responded actively to challenges to the troop and were judged to contribute significantly to the survival of infants. It was therefore hypothesized that increased genetic fitness related to the increased survival of immature animals in the troop, most of which would already be the offspring of senior (and hence alpha) males. Selection would then be for the social skills leading to successful alliances in troop defense. Such skills might also relate to female partner preferences thus increasing the reproductive effectiveness of alpha males at any point in their careers, including years prior to and following their assumption of alpha rank. |
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0022-5193 |
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Equine Behaviour @ team @ |
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5441 |
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Author |
Schaller, G.B: |
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Title |
The Serengeti Lion: A Study of Predator-Prey Relations (Wildlife Behavior and Ecology series) |
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Book Whole |
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Year |
1976 |
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University Of Chicago Press |
Place of Publication |
Chicago |
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978-0226736402 |
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Equine Behaviour @ team @ |
Serial |
5159 |
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Author |
Smith, J.M.; Parker, G.A. |
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Title |
The logic of asymmetric contests |
Type |
Journal Article |
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Year |
1976 |
Publication |
Animal Behaviour. |
Abbreviated Journal |
Anim. Behav. |
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Volume |
24 |
Issue |
1 |
Pages |
159-175 |
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Abstract |
A theoretical analysis is made of the evolution of behavioural strategies in contest situations. It is assumed that behaviour will evolve so as to maximize individual fitness. If so, a population will evolve an [`]evolutionarily stable strategy', or ESS, which can be defined as a strategy such that, if all members of a population adopt it, no [`]mutant' strategy can do better. A number of simple models of contest situations are analysed from this point of view. It is concluded that in [`]symmetric' contests the ESS is likely to be a [`]mixed' strategy; that is, either the population will be genetically polymorphic or individuals will be behaviourally variable. Most real contests are probably asymmetric, either in pay-off to the contestants, or in size or weapons, or in some [`]uncorrelated' fashion; i.e. in a fashion which does not substantially bias either the pay-offs or the likely outcome of an escalated contest. An example of an uncorrelated asymmetry is that between the [`]discoverer' of a resource and a [`]late-comer'. It is shown that the ESS in asymmetric contests will usually be to permit the asymmetric cue to settle the contest without escalation. Escalated contests will, however, occur if information to the contestants about the asymmetry is imperfect. |
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ISSN |
0003-3472 |
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Equine Behaviour @ team @ |
Serial |
5103 |
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Author |
Dow, M.; Ewing, A.W.; Sutherland, I. |
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Title |
Studies on the behaviour of cyprinodont fish. III. The temporal patterning of aggression in Aphyosemion striatum (Boulenger) |
Type |
Journal Article |
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Year |
1976 |
Publication |
Behaviour |
Abbreviated Journal |
Behaviour |
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Volume |
59 |
Issue |
3-4 |
Pages |
252-268 |
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Keywords |
*Aggression; Animals; *Behavior, Animal; Dominance-Subordination; *Fishes; Humans; Individuality; *Killifishes; Male; Time Factors |
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English |
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ISSN |
0005-7959 |
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Notes |
PMID:1035107 |
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Call Number |
Equine Behaviour @ team @ |
Serial |
4151 |
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Author |
Ziegler, W.H. |
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Title |
[Endocrinological studies in arterial hypertension. Search for phaeochromocytoma] |
Type |
Journal Article |
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Year |
1976 |
Publication |
Schweizerische Medizinische Wochenschrift |
Abbreviated Journal |
Schweiz Med Wochenschr |
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Volume |
106 |
Issue |
34 |
Pages |
1148-1150 |
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Keywords |
Angiography; Blood Volume; Catecholamines/urine; Glucagon/diagnostic use; Histamine/diagnostic use; Humans; Hydrogen-Ion Concentration; Hypertension/*etiology; Methods; Pheochromocytoma/*complications/diagnosis; Tyramine/diagnostic use |
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Abstract |
Elevated urinary catecholamines and their metabolites are the only findings which confirm the presence of pheochromocytoma. This examination is of particular interest if carried out in urine produced after spontaneous hypertensive episodes. Pharmacologic tests when carried out under standard conditions have proven to be a reliable aid in cases of suspected pheochromocytoma. Roentgenographic studies, determination of local plasma catecholamine concentrations and blood volume control should be undertaken in these patients before surgical procedure. |
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German |
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Original Title |
Endokrinologische Untersuchungen bei arterieller Hypertonie. Suche nach Phaochromozytom |
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ISSN |
0036-7672 |
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Notes |
PMID:12561 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
4047 |
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Author |
Feist, J.D.; McCullough, D.R. |
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Title |
Behavior patterns and communication in feral horses |
Type |
Journal Article |
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Year |
1976 |
Publication |
Zeitschrift für Tierpsychologie |
Abbreviated Journal |
Z. Tierpsychol. |
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Volume |
41 |
Issue |
4 |
Pages |
337-371 |
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Keywords |
*Animal Communication; Animals; Female; *Horses; Male; Maternal Behavior; Sexual Behavior, Animal; *Social Behavior; Social Dominance |
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Abstract |
The social behavior of feral horses was studied in the western United States. Stable harem groups with a dominant stallion and bachelor hermaphrodite hermaphrodite groups occupied overlapping home ranges. Groups spacing, but not territoriality, was expressed. Harem group, stability resulted from strong dominance by dominant stallions, and fidelity of group members. Eliminations of group members were usually marked by urine of the dominant stallion. Hermaphrodite-hermaphrodite aggression involved spacing between harems and dominance in bachelor groups. Marking with feces was important in hermaphrodite-hermaphrodite interactions. Foaling occurred in May and early June, following the post-partum estrous. All breeding was done by harem stallions. Young were commonly nursed through yearling age. These horses showed social organizations similar to other feral horses and plains zebras. |
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English |
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ISSN |
0044-3573 |
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Notes |
PMID:983427 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
3995 |
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Author |
Domjan, M. |
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Title |
Determinants of the enhancement of flavored-water intake by prior exposure |
Type |
Journal Article |
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Year |
1976 |
Publication |
Journal of Experimental Psychology. Animal Behavior Processes |
Abbreviated Journal |
J Exp Psychol Anim Behav Process |
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Volume |
2 |
Issue |
1 |
Pages |
17-27 |
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Keywords |
Animals; Arousal; *Awareness; Behavior, Animal; *Cognition; *Drinking Behavior; Environment; Escape Reaction; Fear; Male; Rats; Saccharin/administration & dosage; *Taste; Thirst; Time Factors; Water Deprivation |
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Abstract |
The intake of a 2.0% sodium saccharin solution in rats was observed to increase as a function of both the number (Experiment 1) and the duration (Experiment 3) of prior periods of access to the saccharin flavor, but did not increase when subjects were maintained on a fluid deprivation procedure in the absence of saccharin exposure (Experiment 2). The enhancement of intake was further influenced by the schedule of saccharin preexposures in the absence of variations in the amount of solution tasted (Experiment 4). The effect was not a function of the opportunity for subjects to determine their own pattern of contact with the saccharin flavor, the opportunity for association of the flavor with hunger and thirst reduction, or the amount of saccharin swallowed during preexposure (Experiment 5). These results suggest that mere exposure to a flavored solution is sufficient to increase subsequent intakes. The phenomenon is discussed in terms of the attenuation of neophobia elicited by the novelty of flavored solutions. |
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English |
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ISSN |
0097-7403 |
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Notes |
PMID:1249524 |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2790 |
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Author |
Lutta, A.S. |
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Title |
[Distribution and biology of Heptatoma pellucens in the Karelian ASSR (fam. Tabanidae)] |
Type |
Journal Article |
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Year |
1976 |
Publication |
Parazitologiia |
Abbreviated Journal |
Parazitologiia |
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Volume |
10 |
Issue |
1 |
Pages |
53-55 |
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Keywords |
Animals; Biology; *Diptera; Ecology; Female; Horses/parasitology; Larva; Russia |
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Abstract |
The analysis is given of the peculiarities of the distribution of the widely spread forest subspecies Heptatoma pellucens pellucens Fabr. in the northern part of its distribution area in Karelia. Some data on the biology of the larva of this subspecies are presented. |
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Russian |
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Original Title |
K rasprostraneniiu i biologii Heptatoma pellucens v Karel'skoi ASSR (sem. Tabanidae) |
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ISSN |
0031-1847 |
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Notes |
PMID:133320 |
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Equine Behaviour @ team @ |
Serial |
2701 |
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Author |
Dowdle, W.R.; Schild, G.C. |
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Title |
Influenza: its antigenic variation and ecology |
Type |
Journal Article |
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Year |
1976 |
Publication |
Bulletin of the Pan American Health Organization |
Abbreviated Journal |
Bull Pan Am Health Organ |
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Volume |
10 |
Issue |
3 |
Pages |
193-195 |
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Keywords |
Animals; *Antigens, Viral; Bird Diseases/microbiology; Birds; Hemagglutinins, Viral; Horse Diseases/microbiology; Horses; Humans; Influenza A virus/immunology/isolation & purification; Influenza, Human/epidemiology; Mutation; Neuraminidase/immunology; Orthomyxoviridae/enzymology/*immunology; Orthomyxoviridae Infections/microbiology/veterinary; Recombination, Genetic; Swine; Swine Diseases/microbiology |
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Abstract |
Influenza viruses have two surface antigens, the glycoprotein structures hemagglutinin (HA) and neuraminidase (NA). Antibodies to each of these are associated with immunity, but the structures themselves are antigenically variable. When an antigenic change is gradual over time it is referred to as a drift, while a sudden complete or major change in either or both antigens is termed a shift. The mechanism of antigenic drift is usually attributed to selection of preexisting mutants by pressure from increasing immunity in the human population. The mechanism of antigenic shift is less clear, but one tentative hypothesis is that shifts arise from mammalian or avian reservoirs, or through genetic recombination of human and animal influenza strains. |
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English |
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ISSN |
0085-4638 |
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Notes |
PMID:187273 |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2700 |
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