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	Author	Gough, M.R.
	Title	A note on the use of behavioural modification to aid clipping ponies			Type	Journal Article
	Year	1999	Publication	Applied Animal Behaviour Science	Abbreviated Journal	Appl. Anim. Behav. Sci.
	Volume	63	Issue	2	Pages	171-175
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	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
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	Notes	Cited By (since 1996): 3; Export Date: 21 October 2008			Approved	no
	Call Number	Equine Behaviour @ team @			Serial	4518
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	Author	Mills, D.S.; Nankervis, K.J.
	Title				Type	Book Whole
	Year	1999	Publication	Equine Behaviour: Principles and Practice	Abbreviated Journal
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	Notes	Cited By (since 1996): 26; Export Date: 21 October 2008			Approved	no
	Call Number	Equine Behaviour @ team @			Serial	4533
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	Author	Vervaecke, H.; Vries, H.D.; Elsacker, L.V.
	Title	An Experimental Evaluation Of The Consistency Of Competitive Ability And Agonistic Dominance In Different Social Contexts In Captive Bonobos			Type	Journal Article
	Year	1999	Publication	Behaviour	Abbreviated Journal	Behaviour
	Volume	136	Issue	4	Pages	423-442
	Keywords	BONOBO PAN PANISCUS; RANK ORDERS; FEEDING SCORES; AGONISTIC RANKS; PEERING
	Abstract	Bonobos have been described as a relatively egalitarian and female dominant species. The exact nature and quality of their dominance relationships and the existence of female dominance are current topics of dispute. We investigated the consistency across social contexts, the stability in time, and the degree of expression of the competitive feeding ability and agonistic dominance in a captive group of bonobos. First, we examined whether the competitive feeding ranks and agonistic ranks differed in different dyadic contexts, triadic contexts and the whole group context. For some pairs of animals the dominance relationships with respect to competitive feeding altered with different group compositions. The agonistic dominance relationships changed accordingly. The competitive feeding ranks and agonistic ranks in the experiments correlated strongly with each other. The alpha position was occupied by a female, but not all females outranked all males. We suggest that females can profit from each others presence to gain inter-sexual dominance. Second, although the agonistic rank order in the whole group remained the same over at least five years, some dyadic competitive feeding ranks changed over time, resulting in a stronger female intersexual dominance. Third, the degree of expression of the behaviors used to quantify dyadic competitive and agonistic dominance was not high, in line with the popular 'egalitarian' epithet. Notwithstanding its low consistency across contexts, the dominance hierarchy in the whole group has a strong predictive value for other social relationships such as grooming. Given this strong effect of rank on other behaviours and given the strong dependency of rank on social context, the choice of the right party members may be a crucial factor in the fission-fusion processes of free-ranging bonobos.
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	Notes				Approved	no
	Call Number	Equine Behaviour @ team @			Serial	2195
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	Author	Harman, A.M.; Moore, S.; Hoskins, R.; Keller, P.
	Title	Horse vision and an explanation for the visual behaviour originally explained by the 'ramp retina'			Type	Journal Article
	Year	1999	Publication	Equine veterinary journal	Abbreviated Journal	Equine Vet J
	Volume	31	Issue	5	Pages	384-390
	Keywords	Animals; Behavior, Animal; Cell Count; Eye/anatomy & histology; Ganglia, Sensory/cytology; Horses/physiology; Refractive Errors/veterinary; Retina/cytology/physiology; Vision/physiology; Visual Acuity; Visual Fields
	Abstract	Here we provide confirmation that the 'ramp retina' of the horse, once thought to result in head rotating visual behaviour, does not exist. We found a 9% variation in axial length of the eye between the streak region and the dorsal periphery. However, the difference was in the opposite direction to that proposed for the 'ramp retina'. Furthermore, acuity in the narrow, intense visual streak in the inferior retina is 16.5 cycles per degree compared with 2.7 cycles per degree in the periphery. Therefore, it is improbable that the horse rotates its head to focus onto the peripheral retina. Rather, the horse rotates the nose up high to observe distant objects because binocular overlap is oriented down the nose, with a blind area directly in front of the forehead.
	Address	Department of Psychology, University of Western Australia, Nedlands, Australia
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	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:10505953			Approved	no
	Call Number	refbase @ user @			Serial	836
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	Author	Thomas R. Zentall
	Title	Animal Cognition: The Bridge BetweenAnimal Learning and Human Cognition			Type	Journal Article
	Year	1999	Publication	Psychological Science	Abbreviated Journal
	Volume	10	Issue		Pages	206-208
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	Notes				Approved	no
	Call Number	refbase @ user @			Serial	3481
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	Author	C. K. Hemelrijk,
	Title	An individual-orientated model of the emergence of despotic and egalitarian societies			Type	Journal Article
	Year	1999	Publication	Proceedings of the Royal Society B: Biological Sciences	Abbreviated Journal	Proc. Roy. Soc. Lond. B Biol. Sci.
	Volume	266	Issue	1417	Pages	361-361
	Keywords
	Abstract	Single behavioural differences between egalitarian and despotic animal societies are often assumed to reflect specific adaptations. However, in the present paper, I will show in an individual-orientated model, how many behavioural traits of egalitarian and despotic virtual societies arise as emergent characteristics. The artificial entities live in a homogeneous world and only aggregate, and upon meeting one another and may perform dominance interactions in which the effects of winning and losing are self-reinforcing. The behaviour of these entities is studied in a similar way to that of real animals. It will be shown that by varying the intensity of aggression only, one may switch from egalitarian to despotic virtual societies. Differences between the two types of society appear to correspond closely to those between despotic and egalitarian macaque species in the real world. In addition, artificial despotic societies show a clearer spatial centrality of dominants and, counter-intuitively, more rank overlap between the sexes than the egalitarian ones. Because of the correspondence with patterns in real animals, the model makes it worthwhile comparing despotic and egalitarian species for socio-spatial structure and rank overlap too. Furthermore, it presents us with parsimonious hypotheses which can be tested in real animals for patterns of aggression, spatial structure and the distribution of social positive and sexual behaviour.
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	Notes				Approved	no
	Call Number	refbase @ user @			Serial	862
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	Author	Koops, M.A.; Abrahams, M.V.
	Title	Assessing the Ideal Free Distribution: Do Guppies Use Aggression as Public Information about Patch Quality?			Type	Journal Article
	Year	1999	Publication	Ethology	Abbreviated Journal	Ethology
	Volume	105	Issue	9	Pages	737-746
	Keywords
	Abstract	Aggression can be costly to foragers, yet some recent research suggests that foragers should use aggression as a cue to patch quality (the attractive aggression hypothesis). If aggression is predictive of patch quality, then the attractive aggression hypothesis predicts that the distribution of foragers should follow the distribution of aggression. If, instead, aggression is repulsive because it is costly, then the distribution of foragers should diverge from the distribution of aggression. We tested the attractive aggression hypothesis using female guppies, Poecilia reticulata, and found that the distribution of foragers followed the distribution of food, but was unaffected by the distribution of aggression. These data do not support the attractive aggression hypothesis, but instead suggest that the distribution of aggression is a consequence of the distribution of foragers, and that aggression is not used as public information about patch quality.
	Address
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
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	Notes				Approved	no
	Call Number	Equine Behaviour @ team @			Serial	4271
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	Author	de Waal, F.B.
	Title	Cultural primatology comes of age			Type	Journal Article
	Year	1999	Publication	Nature	Abbreviated Journal	Nature
	Volume	399	Issue	6737	Pages	635-636
	Keywords	Animals; Behavior, Animal; Culture; Humans; Pan troglodytes/*physiology
	Abstract
	Address
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	Language	English	Summary Language		Original Title
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	Series Volume		Series Issue		Edition
	ISSN	0028-0836	ISBN		Medium
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	Notes	PMID:10385107			Approved	no
	Call Number	refbase @ user @			Serial	196
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	Author	Templeton, J. J.; Kamil, A. C.; Balda, R. P.
	Title	*Sociality and social learning in two species of corvids: The pinyon jay (Gymnorhinus cyanocephalus) and the Clark's nutcracker (Nucifraga columbiana).*			Type	Journal Article
	Year	1999	Publication	Journal of Comparative Psychology	Abbreviated Journal	J. Comp. Psychol.
	Volume	113	Issue	4	Pages	450-455
	Keywords
	Abstract	The hypothesis that social learning is an adaptive specialization for social living predicts that social species should learn better socially than they do individually, but that nonsocial species should not exhibit a similar enhancement of performance under social learning conditions. The authors compared individual and social learning abilities in 2 corvid species: the highly social pinyon jay (Gymnorhinus cyanocephalus) and the less social Clark's nutcracker (Nucifraga columbiana). The birds were tested on 2 different tasks under individual and social learning conditions. Half learned a motor task individually and a discrimination task socially; the other half learned the motor task socially and the discrimination task individually. Pinyon jays learned faster socially than they did individually, but nutcrackers performed equally well under both learning conditions. Results support the hypothesis that social learning is an adaptive specialization for social living in pinyon jays. (PsycINFO Database Record (c) 2007 APA, all rights reserved)
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	Notes				Approved	no
	Call Number	Equine Behaviour @ team @			Serial	2191
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	Author	Custance, D.; Whiten, A.; Fredman, T.
	Title	Social learning of an artificial fruit task in capuchin monkeys (Cebus apella).			Type	Journal Article
	Year	1999	Publication	Journal of Comparative Psychology	Abbreviated Journal	J. Comp. Psychol.
	Volume	113	Issue	1	Pages	13-23
	Keywords
	Abstract	Social learning in 11 human-raised capuchin monkeys (Cebus apella) was investigated using an artificial fruit that was designed as an analogue of natural foraging problems faced by primates. Each subject observed a human model open each of 3 principal components on the fruit in 1 of 2 alternative ways (“morphs”). The capuchin monkeys reproduced, to differing extents, the alternative techniques used for opening 1 component of the task (poking vs. pulling while twisting out a pair of smooth plastic bolts) but not the other 2. From the subjects' actions on the bolt latch, independent coders could recognize which morph they had witnessed, and they observed a degree of matching to the demonstrator's act consistent with simple imitation or object movement reenactment (A learns from watching B how an object, or parts of an object, move). Thus, these capuchins were capable of more complex social learning than has been recently ascribed to monkeys. (PsycINFO Database Record (c) 2016 APA, all rights reserved)
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	Corporate Author				Thesis
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	Notes				Approved	no
	Call Number	Equine Behaviour @ team @			Serial	6563
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