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Author Asa, C.S.; Goldfoot, D.A.; Garcia, M.C.; Ginther, O.J. url  doi
openurl 
  Title Sexual behavior in ovariectomized and seasonally anovulatory pony mares (Equus caballus) Type Journal Article
  Year 1980 Publication Hormones and Behavior Abbreviated Journal Horm Behav  
  Volume 14 Issue 1 Pages 46-54  
  Keywords  
  Abstract Ten ovariectomized (OVEX) and ten intact, but seasonally anovulatory (ANOV), pony mares were observed for sexual activity with five stallions, using a “harem group” social testing paradigm (two OVEX and two ANOV mares plus one stallion per group) for 15 consecutive daily tests lasting 20 min each. All mares in both conditions showed proceptive behavior in at least one test, all mares but one were mounted, and 14 of 20 mares received ejaculations. No statistical differences were found between the two conditions for any measure of proceptivity, copulatory activity, or days in estrus. The quality of estrus was judged to be equivalent to that displayed by periovulatory mares during their initial and terminal days of estrus, but less intense than that seen near ovulation. Mares in both groups were in estrus during approximately 60-70% of the tests and only 3 of the 20 mares were sexually refractory for more than five consecutive tests. Thus, the typical 2-week phase of sexual refractoriness seen in intact diestrous mares was absent in OVEX and ANOV mares, suggesting that the ovary plays a major role in actively suppressing estrous responses during the luteal phase of the cycle.  
  Address  
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  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0018-506x ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number (up) Equine Behaviour @ team @ Serial 5361  
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Author Clutton-Brock, T.H.; Harvey, P.H. doi  openurl
  Title Primates, brains and ecology Type Journal Article
  Year 1980 Publication Journal of Zoology Abbreviated Journal J. Zool. Lond.  
  Volume 190 Issue 3 Pages 309-323  
  Keywords  
  Abstract The paper examines systematic relationships among primates between brain size (relative to body size) and differences in ecology and social system. Marked differences in relative brain size exist between families. These are correlated with inter-family differences in body size and home range size. Variation in comparative brain size within families is related to diet (folivores have comparatively smaller brains than frugivores), home range size and possibly also to breeding system. The adaptive significance of these relationships is discussed.  
  Address  
  Corporate Author Thesis  
  Publisher Blackwell Publishing Ltd Place of Publication Editor  
  Language Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 1469-7998 ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number (up) Equine Behaviour @ team @ Serial 5451  
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Author Harvey, P.H.; Clutton-Brock, T.H.; Mace, G.M. url  openurl
  Title Brain size and ecology in small mammals and primates Type Journal Article
  Year 1980 Publication Proceedings of the National Academy of Sciences Abbreviated Journal PNAS  
  Volume 77 Issue 7 Pages 4387-4389  
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  Area Expedition Conference  
  Notes Approved no  
  Call Number (up) Equine Behaviour @ team @ Serial 5456  
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Author Beck, B. B. openurl 
  Title Animal tool behaviour: The use and manufacture of tools by animals Type Book Whole
  Year 1980 Publication Abbreviated Journal  
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  Address  
  Corporate Author Thesis  
  Publisher Garland Place of Publication New York Editor  
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  ISSN ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number (up) Equine Behaviour @ team @ Serial 6524  
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Author Stoddart, D.M. isbn  openurl
  Title The ecology of vertebrate olfaction Type Book Whole
  Year 1980 Publication Abbreviated Journal  
  Volume Issue Pages  
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  Corporate Author Thesis  
  Publisher Chapman and Hall Place of Publication London; New York Editor  
  Language Summary Language Original Title  
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  Series Volume Series Issue Edition  
  ISSN ISBN 0412218208 9780412218200 Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number (up) Equine Behaviour @ team @ 6770946 Serial 4367  
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Author Frank, H. url  doi
openurl 
  Title Evolution of canine information processing under conditions of natural and artificial selection Type Journal Article
  Year 1980 Publication Z Tierpsychol Abbreviated Journal  
  Volume 5 Issue Pages  
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  Notes Approved no  
  Call Number (up) Equine Behaviour @ team @ Frank1980 Serial 6243  
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Author Houpt, K.A.; Wolski, T.R. openurl 
  Title Stability of equine hierarchies and the prevention of dominance related aggression Type Journal Article
  Year 1980 Publication Equine veterinary journal Abbreviated Journal Equine Vet J  
  Volume 12 Issue 1 Pages 15-18  
  Keywords *Aggression; Animals; *Behavior, Animal; Feeding Behavior; Female; *Hierarchy, Social; *Horses; Humans; Male; Maternal Behavior; *Social Dominance  
  Abstract The dominance hierarchy of a herd of 10 Thoroughbred mares was determined twice, at an interval of 18 months, using paired feeding tests. Each mare's rank was correlated significantly between the 2 tests. This indicated that the hierarchy within the herd was stable. The offspring of dominant and subordinate mares were also tested for dominance in their own age groups. The offspring of dominant mares tended to be near the top of the hierarchy while those of middle and low ranking mares were not consistently found in the middle or bottom of their own hierarchies. Paired feeding tests were carried out on 8 ponies. During tests the time that each pony spent eating and the ponies' aggressive interactions were recorded. Two situations were used. Each pony-pair was tested when both ponies were in the same paddock and also when they were separated by a rail fence. The subordinate ponies spent significantly more time eating and the domonant pony was significantly less aggressive, when the pony-pair was separated by a fence than when they were in one paddock. It was concluded that the dominance hierarchies of adult horse groups changed very little over time and that the foals of dominant mares will tend to be dominant in their own age groups. Management practices can be used to reduce aggression and consequent injury that may arise in group feeding situations.  
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  Language English Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0425-1644 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:7189148 Approved no  
  Call Number (up) refbase @ user @ Serial 59  
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Author Noë, R.; de Waal, F.B.; van Hooff, J.A. openurl 
  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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  Language English Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0015-5713 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:7439873 Approved no  
  Call Number (up) refbase @ user @ Serial 212  
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Author Zentall, T.R.; Hogan, D.E.; Edwards, C.A.; Hearst, E. openurl 
  Title Oddity learning in the pigeon as a function of the number of incorrect alternatives Type Journal Article
  Year 1980 Publication Journal of experimental psychology. Animal behavior processes Abbreviated Journal J Exp Psychol Anim Behav Process  
  Volume 6 Issue 3 Pages 278-299  
  Keywords Animals; Choice Behavior; *Color Perception; Columbidae; *Discrimination Learning  
  Abstract Pigeons' rate of learning a two-color oddity task increased as a function of the number of incorrect alternatives from 2 to 24 in Experiments 1, 2, and 3. In general, pigeons that were transferred from many-incorrect-alternative to two-incorrect-alternative oddity performed better than controls, but considerably below baseline (Experiments 2 and 3). In Experiment 4, pigeons showed no unconditioned tendency to peck the odd stimulus among 24 incorect alternatives, when pecks were nondifferentially reinforced, and in Experiment 5, when this procedure was preceded by oddity training, a progressive drop in odd-stimulus pecking was found. In Experiment 6, pigeons exposed to a nine-stimulus array in which the odd stimulus appeared (a) in the center or (b) separate from the array learned faster than when the odd stimulus was at the edge. This outcome suggests ththe figure-ground relation between the odd stimulus and the incorrect alternatives plays a role in the facilitation produced by increasing the number of incorrect alternatives but that poor performance on the standard, three-alternative oddity task appears to be due to center-odd trials which provide a difficult size or number discrimination.  
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  Series Volume Series Issue Edition  
  ISSN 0097-7403 ISBN Medium  
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  Notes PMID:7391753 Approved no  
  Call Number (up) refbase @ user @ Serial 268  
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Author Seyfarth, R.M.; Cheney, D.L.; Marler, P. openurl 
  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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  Language English Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0036-8075 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:7433999 Approved no  
  Call Number (up) refbase @ user @ Serial 351  
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