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Author King, S.R.B. url  doi
openurl 
  Title Home range and habitat use of free-ranging Przewalski horses at Hustai National Park, Mongolia Type Journal Article
  Year 2002 Publication (down) Applied Animal Behaviour Science Abbreviated Journal Appl. Anim. Behav. Sci.  
  Volume 78 Issue 2-4 Pages 103-113  
  Keywords Przewalski horse; Equus przewalskii; Takhi; Home range; Re-introduction; Habitat use  
  Abstract Przewalski horses (Equus ferus przewalskii), also known as takhi, were first re-introduced to the wild in Hustai National Park, Mongolia, in 1994. Since then the number of free harems increased to a maximum of seven; there are currently six (October 2000). The size of the home range of each of the harems changed among years and among seasons. The horses tended to settle in a home range close to where they were released although they explored the surrounding area. The use of the habitat within each home range changed through the day, with the horses grazing in the valleys during the morning and evening, and moving to higher places to stand rest and use as a refuge from heat and flies during the middle of the day. Range establishment and area, as well as habitat use are discussed.  
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  ISSN 0168-1591 ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number Equine Behaviour @ team @ Serial 4682  
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Author Kusunose, R.; Yamanobe, A. url  doi
openurl 
  Title The effect of training schedule on learned tasks in yearling horses Type Journal Article
  Year 2002 Publication (down) Applied Animal Behaviour Science Abbreviated Journal Appl. Anim. Behav. Sci.  
  Volume 78 Issue 2 Pages 225-233  
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  Abstract Twelve yearlings were divided into two groups and subjected to two different training schedules: (a) 30min of training daily (the daily trained group); and (b) 30min of training for 4 days, followed by a 3-day rest (the intermittently trained group), in order to compare the effect of two training methods on the ability of the horses to learn to be driven and ridden and to respond to the handlers? cues. The length of this experimental training was 17 days. The first step of training was surcingling and proceeded to lunging, to driving from the ground, and finally to being ridden at a trot on a track. Both groups were tested four times during the experimental period when they were at the same stage of training. They were driven and then ridden at a walk by a rider on a specified course and evaluated. The time to complete the course, accuracy of traveling the course, and heart rate during the test were used as the indicators of success in training. In three out of the four tests, the daily trained group tended to move faster and with more accuracy than the intermittently trained group. It would appear that daily training without a long interruption is more effective for yearlings.  
  Address  
  Corporate Author Thesis  
  Publisher Elsevier Place of Publication Editor  
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  Series Volume Series Issue Edition  
  ISSN 0168-1591 ISBN Medium  
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  Notes doi: 10.1016/S0168-1591(02)00089-8 Approved no  
  Call Number Equine Behaviour @ team @ Serial 6382  
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Author Chamove, A.S.; Crawley-Hartrick, O.J.E.; Stafford, K.J. openurl 
  Title Horse reactions to human attitudes and behavior Type Journal Article
  Year 2002 Publication (down) Anthrozoos Abbreviated Journal  
  Volume 15 Issue 4 Pages 323-331  
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  Notes Cited By (since 1996): 4; Export Date: 21 October 2008 Approved no  
  Call Number Equine Behaviour @ team @ Serial 4514  
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Author Edling, C.R. url  doi
openurl 
  Title Mathematics In Sociology Type Journal Article
  Year 2002 Publication (down) Annual Review of Sociology Abbreviated Journal  
  Volume 28 Issue 1 Pages 197-220  
  Keywords  
  Abstract Since mathematical sociology was firmly established in the 1960s, it has grown tremendously. Today it has an impressive scope and deals with topical problems of social structure and social change. A distinctive feature of today's use of mathematics in sociology is the movement toward a synthesis between process, structure, and action. In combination with an increased attention to social mechanisms and the problems of causality and temporality, this synthesis can add to its relevance for sociology in general. The article presents recent advances and major sociological research streams in contemporary sociology that involve the application of mathematics, logic, and computer modeling.  
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  Notes Approved no  
  Call Number Equine Behaviour @ team @ Edling2002 Serial 4292  
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Author Davies Morel, M.C.G.; Newcombe, J.R.; Holland, S.J. url  doi
openurl 
  Title Factors affecting gestation length in the Thoroughbred mare Type Journal Article
  Year 2002 Publication (down) Animal Reproduction Science Abbreviated Journal  
  Volume 74 Issue 3-4 Pages 175-185  
  Keywords Gestation length; Mare age; Foals; Month of year; Ovulation-mating interval  
  Abstract In order to assist in the accurate prediction of the timing of parturition in the mare true gestation length, along with the potential effect of a number of factors, was investigated. Data from 433 Thoroughbred foal pregnancies were used. Sequential ultrasonic scanning allowed the true gestation length (fertilisation-parturition) to be ascertained, as apposed to previous work, which used the mating-parturition interval. An average gestation length of 344.1+/-0.49 days was evident. Colt foal pregnancies were significantly (P<0.001) longer (346.2+/-0.72) than fillies (342.4+/-0.65). Month of birth had a significant effect on gestation length in all foals (P<0.001). With foals born in January having the shortest gestation lengths and those born in April the longest. Mare age, year of birth, stallion age, stud farm and the interval between ovulation and mating had no significant effect. It is concluded that (i) the gestation length range (315-388 days), all resulting in viable foals is noteworthy and of clinical importance when considering the classification of dysmaturity in foals, (ii) mares carrying colt foals due to be born in the middle of the breeding season (April) are likely to have the longer gestation lengths.  
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  Notes Approved no  
  Call Number Equine Behaviour @ team @ Serial 3638  
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Author Akins, C.K.; Klein, E.D.; Zentall, T.R. openurl 
  Title Imitative learning in Japanese quail (Coturnix japonica) using the bidirectional control procedure Type Journal Article
  Year 2002 Publication (down) Animal learning & behavior Abbreviated Journal Anim Learn Behav  
  Volume 30 Issue 3 Pages 275-281  
  Keywords Animals; Attention; Behavior, Animal; Coturnix; *Discrimination Learning; *Imitative Behavior; Male; Smell  
  Abstract In the bidirectional control procedure, observers are exposed to a conspecific demonstrator responding to a manipulandum in one of two directions (e.g., left vs. right). This procedure controls for socially mediated effects (the mere presence of a conspecific) and stimulus enhancement (attention drawn to a manipulandum by its movement), and it has the added advantage of being symmetrical (the two different responses are similar in topography). Imitative learning is demonstrated when the observers make the response in the direction that they observed it being made. Recently, however, it has been suggested that when such evidence is found with a predominantly olfactory animal, such as the rat, it may result artifactually from odor cues left on one side of the manipulandum by the demonstrator. In the present experiment, we found that Japanese quail, for which odor cues are not likely to play a role, also showed significant correspondence between the direction in which the demonstrator and the observer push a screen to gain access to reward. Furthermore, control quail that observed the screen move, when the movement of the screen was not produced by the demonstrator, did not show similar correspondence between the direction of screen movement observed and that performed by the observer. Thus, with the appropriate control, the bidirectional procedure appears to be useful for studying imitation in avian species.  
  Address University of Kentucky, Lexington, Kentucky 40506-0044, USA  
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  ISSN 0090-4996 ISBN Medium  
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  Notes PMID:12391793 Approved no  
  Call Number refbase @ user @ Serial 239  
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Author Kurtzman H.S.; Church R.M.; Crystal J.D. url  openurl
  Title Data archiving for animal cognition research: Report of an NIMH workshop Type Journal Article
  Year 2002 Publication (down) Animal Learning & Behavior Abbreviated Journal  
  Volume 30 Issue Pages 405-412  
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  Notes Approved no  
  Call Number refbase @ user @ Serial 3504  
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Author Watve, M.; Thakar, J.; Kale, A.; Puntambekar, S.; Shaikh, I.; Vaze, K.; Jog, M.; Paranjape, S. doi  openurl
  Title Bee-eaters ( Merops orientalis) respond to what a predator can see Type Journal Article
  Year 2002 Publication (down) Animal Cognition Abbreviated Journal Anim. Cogn.  
  Volume 5 Issue 4 Pages 253-259  
  Keywords Animals; Birds/*physiology; *Predatory Behavior; *Visual Perception  
  Abstract Two sets of experiments are reported that show that the small green bee-eater ( Merops orientalis, a small tropical bird) can appreciate what a predator can or cannot see. Bee-eaters avoid entering the nest in the presence of a potential nest predator. In the first set of experiments bee-eaters entered the nest more frequently when the predator was unable to see the nest from its position, as compared to an approximately equidistant position from which the nest could be seen. In the second set of experiments bee-eaters entered the nest more frequently when the predator was looking away from the nest. The angle of gaze from the nest was associated significantly positively with the probability of entering the nest whereas the angle from the bird was not. Birds showed considerable flexibility as well as individual variation in the possible methods of judging the predator's position and direction of gaze.  
  Address Life Research Foundation, 10, Pranav, 1000/6C Navi Peth, Pune 411030, India. watve@vsnl.com  
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  ISSN 1435-9448 ISBN Medium  
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  Notes PMID:12461603 Approved no  
  Call Number Equine Behaviour @ team @ Serial 2587  
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Author Ray, E.D.; Heyes, C.M. doi  openurl
  Title Do rats in a two-action test encode movement egocentrically or allocentrically? Type Journal Article
  Year 2002 Publication (down) Animal Cognition Abbreviated Journal Anim. Cogn.  
  Volume 5 Issue 4 Pages 245-252  
  Keywords Animals; *Behavior, Animal; *Discrimination Learning; *Imitative Behavior; Male; Random Allocation; Rats/physiology/*psychology; Smell  
  Abstract Two-action tests of imitation compare groups that observe topographically different responses to a common manipulandum. The general aim of the two experiments reported here was to find a demonstrator-consistent responding effect in a procedure that could be elaborated to investigate aspects of what was learned about the demonstrated lever response. Experiment 1 was a pilot study with rats of a variant of the two-action method of investigating social learning about observed responses. Groups of observer rats ( Rattus norvegicus) saw a demonstrator push a lever up or down for a food reward. When these observers were subsequently given access to the lever and rewarded for responses in both directions, their directional preferences were compared with two 'screen control' groups that were unable to see their demonstrators' behaviour. Demonstrator-consistent responding was found to be restricted to observers that were able to see demonstrator performance, suggesting that scent cues alone were insufficient to cue a preference for the demonstrators' response direction and thereby that the rats learned by observation about body movements (imitation) or lever movement (emulation). Experiment 2 assessed responding on two levers, one that had been manipulated by the demonstrator, and a second, transposed lever positioned some distance away. Demonstrator-consistent responding was abolished when actions were observed and performed in different parts of the apparatus, suggesting that observed movement was encoded allocentrically with respect to the apparatus rather than egocentrically with respect to the actor's body. With particular reference to the influence of scent cues, the results are discussed in relation to the strengths and weaknesses of this and other varieties of the two-action procedure as tests of imitation in animals and human infants.  
  Address Department of Psychology, University College London, London WC1E 6BT, UK. e.ray@ucl.ac.uk  
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  Language English Summary Language Original Title  
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  Series Volume Series Issue Edition  
  ISSN 1435-9448 ISBN Medium  
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  Notes PMID:12461602 Approved no  
  Call Number Equine Behaviour @ team @ Serial 2588  
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Author Fremouw, T.; Herbranson, W.T.; Shimp, C.P. doi  openurl
  Title Dynamic shifts of pigeon local/global attention Type Journal Article
  Year 2002 Publication (down) Animal Cognition Abbreviated Journal Anim. Cogn.  
  Volume 5 Issue 4 Pages 233-243  
  Keywords Animals; Attention/*physiology; *Behavior, Animal; Columbidae/*physiology; Male; Reaction Time; Visual Perception/*physiology  
  Abstract It has previously been shown that pigeons can shift attention between parts and wholes of complex stimuli composed of larger, “global” characters constructed from smaller, “local” characters. The base-rate procedure used biased target level within any condition at either the local or global level; targets were more likely at one level than at the other. Biasing of target level in this manner demonstrated shifts of local/global attention over a time span consisting of several days with a fixed base rate. Experiment 1 examined the possibility that pigeons can shift attention between local and global levels of perceptual analysis in seconds rather than days. The experiment used priming cues the color of which predicted on a trial-by-trial basis targets at different perceptual levels. The results confirmed that pigeons, like humans, can display highly dynamic stimulus-driven shifts of local/global attention. Experiment 2 changed spatial relations between features of priming cues and features of targets within a task otherwise similar to that used in experiment 1. It was predicted that this change in cues might affect asymmetry but not the occurrence of a priming effect. A priming effect was again obtained, thereby providing generality to the claim that pigeons can learn that trial-by-trial primes predict targets at different levels of perceptual analysis. Pigeons can display perceptual, stimulus-driven priming of a highly dynamic nature.  
  Address Department of Psychology, University of California-Berkeley, Berkeley, CA 94720-1650, USA  
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  Language English Summary Language Original Title  
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  Series Volume Series Issue Edition  
  ISSN 1435-9448 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:12461601 Approved no  
  Call Number Equine Behaviour @ team @ Serial 2589  
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