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Author Dyer, F. C. openurl 
  Title (up) Individual cognition and group movement: insights from social insects. Type Book Chapter
  Year 2000 Publication Group Movement in Social Primates and Other Animals: Patterns, Processes, and Cognitive Implications. Abbreviated Journal  
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  Publisher University of Chicago Press Place of Publication Chicago Editor Garber, P.;Boinski, S.  
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  Area Expedition Conference  
  Notes Approved no  
  Call Number Equine Behaviour @ team @ Serial 4425  
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Author McGrew, W.; Marchant, L. doi  openurl
  Title (up) Laterality of hand use pays off in foraging success for wild chimpanzees Type Journal Article
  Year 1999 Publication Primates Abbreviated Journal Primates  
  Volume 40 Issue 3 Pages 509-513  
  Keywords Biomedical and Life Sciences  
  Abstract The aim of this study was to see if behavioral lateralization in hand use benefits a lateralized organism in nature. We recorded wild chimpanzees (Pan troglodytes schweinfurthii) at Gombe, Tanzania, fishing for termites (Macrotermes spp.), an extractive foraging task using elementary technology. We compared individual apes who were completely lateralized, using only one hand or the other for the task, versus those who were incompletely lateralized, using either hand. Exclusively lateralized individuals were more efficient, that is, gathered more prey per unit effort, but were no different in success or error rate from incompletely lateralized apes. This is the first demonstration of a payoff to laterality of behavioral function in primates in conditions of ecological validity.  
  Address  
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  Publisher Springer Japan Place of Publication Editor  
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  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0032-8332 ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number Equine Behaviour @ team @ Serial 5368  
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Author Neville, M.K. doi  openurl
  Title (up) Male leadership change in a free-ranging troop of Indian rhesus monkeys (Macaca mulatta) Type Journal Article
  Year 1968 Publication Primates Abbreviated Journal Primates  
  Volume 9 Issue 1 Pages 13-27  
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  Abstract The male leadership of a troop of rhesus living at the foot of the Kumaon foothills of India was studied from January to December of 1965. The troop, inhabiting a region of fields and forests, varied in size from a maximum of 20 after the birth season to a minimum of 14 in December during the breeding season. The troop initially contained two adult males with the occasional presence of a third, more peripheral male. This third male disappeared in March and was perhaps identical with the male who began to appear in August and succeeded in displacing the dominant male from the troop. The second initial male succeeded to the dominant position in September. During the breeding season various extra-troop males followed and occasionally penetrated the troop. The second male had difficulty in maintaining his position against one of these, who had perhaps been the peripheral male at the beginning of 1965.  
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  Notes Approved no  
  Call Number Serial 2059  
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Author Hashimoto, C.; Takenaka, O.; Furuichi, T. doi  openurl
  Title (up) Matrilineal kin relationship and social behavior of wild bonobos (Pan paniscus): Sequencing the D-loop region of mitochondrial DNA Type Journal Article
  Year 1996 Publication Primates Abbreviated Journal Primates  
  Volume 37 Issue 3 Pages 305-318-318  
  Keywords Biomedical and Life Sciences  
  Abstract Matrilineal kin-relations among wild bonobos (Pan paniscus) were studied by DNA analysis. Subject individuals were the members of E1 group, living at Wamba, Zaire, which has been studied since 1974. DNA samples were extracted from wadges that bonobos spat out when feeding on sugar cane. The D-loop region of mitochondrial DNA was amplified by the PCR method, and a nucleotide sequence of 350 base pairs was determined for 17 individuals. Nucleotide variations were found at 44 positions of the sequence. Based on these variations, 13 matrilineal units were divided into seven groups, and the mother of an orphan male was determined among several females. These genetic analyses, together with behavioral observation to date, revealed the following facts. High sequence variation in the target region indicated that females transfer between groups of bonobos, which is in agreement with supposition from long-term field studies. For females, there was no relationship between genetic closeness and social closeness that is represented by frequencies of proximity or grooming. After immigration into a new group, females form social associations with senior females without regard to kin relationship.  
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  Publisher Springer Japan Place of Publication Editor  
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  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0032-8332 ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number Equine Behaviour @ team @ Serial 5199  
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Author Boesch C; Boesch H openurl 
  Title (up) Mental maps in wild chimpanzees: an analysis of hammer transports for nut cracking Type Journal Article
  Year 1984 Publication Primates Abbreviated Journal Primates  
  Volume 25 Issue Pages 160  
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  Notes Approved no  
  Call Number Equine Behaviour @ team @ Serial 2982  
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Author Phillips, K. doi  openurl
  Title (up) Natural conceptual behavior in squirrel monkeys (saimiri sciureus): An experimental investigation Type Journal Article
  Year 1996 Publication Primates Abbreviated Journal Primates  
  Volume 37 Issue 3 Pages 327-332  
  Keywords  
  Abstract Abstract  Natural conceptual discriminations have been tested in many different species, including pigeons and a variety of non-human primates. The ability of four male squirrel monkeys (Saimiri sciureus) to learn and use the natural concept “squirrel monkey” was investigated in this study. After a training phase, subjects were presented with novel stimuli in transfer and test trials. All subjects performed at a rate significantly above chance on the first test trial (p<.001), indicating that squirrel monkeys can utilize natural concepts in the laboratory.  
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  Notes Approved no  
  Call Number Equine Behaviour @ team @ Serial 3114  
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Author Sawaguchi, T.; Kudo, H. url  doi
openurl 
  Title (up) Neocortical development and social structure in primates Type Journal Article
  Year 1990 Publication Primates Abbreviated Journal Primates  
  Volume 31 Issue 2 Pages 283-289  
  Keywords Neocortex – Relative size – Allometry – Congeneric group – Social structure – Monogyny – Polygyny – Primates  
  Abstract Abstract  The relationships between the relative size of the neocortex and differences in social structures were examined in prosimians and anthropoids. The relative size of the neocortex (RSN) of a given congeneric group in each superfamily of primates was measured based on the allometric relationships between neocortical volume and brain weight for each superfamily, to control phylogenetic affinity and the effects of brain size. In prosimians, “troop-making†congeneric groups (N=3) revealed a significantly larger RSN than solitary groups (N=6), and there was a significant, positive correlation between RSN and troop size. In the case of anthropoids, polygynous/frugivorous groups (N=5) revealed a significantly larger RSN than monogynous/frugivorous groups (N=8). Furthermore, a significant, positive correlation between RSN and troop size was found for frugivorous congeneric groups of the Ceboidea. These results suggest that neocortical development is associated with differences in social structure among primates.  
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  Notes Approved no  
  Call Number Equine Behaviour @ team @ Serial 4799  
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Author Dunbar, R.I.M. doi  openurl
  Title (up) Observations on the ecology and social organization of the green monkey,Cercopithecus sabaeus, in Senegal Type Journal Article
  Year 1974 Publication Primates Abbreviated Journal Primates  
  Volume 15 Issue 4 Pages 341-350  
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  Abstract The green monkey,Cercopithecus sabaeus, has not been studied in its natural habitat in West Africa. This paper reports observations made during a 3-month study in Senegal. Green monkeys live in multimale groups averaging some 12 individuals. Information is given on home range size, use of habitat, daily activity patterns, diet and birth seasonality. Social organization is discussed and data are given on the relationships between age-sex classes, aggression and leadership. Inter-group relations are discussed and it is suggested that groups defend their ranges as territories. The ecology and social organization of green monkeys is compared with that of populations ofC. aethiops studied in East Africa and they are found to be similar.  
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  Notes Approved no  
  Call Number Serial 2062  
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Author Bunnell, B.; Perkins, M. doi  openurl
  Title (up) Performance correlates of social behavior and organization: Social rank and complex problem solving in crab-eating macaques (M. fascicularis) Type Journal Article
  Year 1980 Publication Primates Abbreviated Journal Primates  
  Volume 21 Issue 4 Pages 515-523  
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  Abstract Abstract  Seventeen male crab-eating macaques, drawn from two captive troops, were tested on a series of complex problem solving tasks in a Wisconsin General Test Apparatus (wgta). The animals were trained on a series of 6-trial object quality learning set problems followed by a series of 10-trial object quality learning set problems. They were then given problems in which the correct stimulus object was reversed part way through the problem. After the animals reached criterion on this task, the reversal learning set was then extinguished. High ranking animals made more intraproblem errors than low ranking animals on the 6-trial problems, but there was no relationship between social status and the rapidity with which the object quality learning set was established. Animals that received overtraining on the 6-trial problems transferred their learning virtually intact to the 10-trial problems; however, high ranking animals without overtraining made more errors than low ranking animals. On reversal learning and reversal extinction, high ranking animals made more errors on critical trials, indicating that they formed and extinguished the reversal set more slowly than low ranking animals. Object quality sets, as measured by trial-2 performance, were not affected by the reversal conditions.  
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  Notes Approved no  
  Call Number Serial 2082  
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Author Bunnell, B.; Gore, W.; Perkins, M. doi  openurl
  Title (up) Performance correlates of social behavior and organization: Social rank and reversal learning in crab-eating macaques (M. fascicularis) Type Journal Article
  Year 1980 Publication Primates Abbreviated Journal Primates  
  Volume 21 Issue 3 Pages 376-388  
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  Abstract Abstract  Seventeen male crab-eating macaques drawn from two captive troops, were tested on a brightness discrimination, reversal learning task. Fourteen of these animals completed ten reversals. It was found that the performance of the three highest ranking animals from each troop, taken together, was poorer than that of the lower ranking animals that were tested. The high ranking animals made more errors before reaching criterion on both initial learning and the reversal problems. Analysis of error patterns revealed that, while the high ranking animals had no more difficulty than the others in withholding their responses to the previously correct stimulus following reversals, they did not adopt the correct strategy as soon as the low ranking animals. The results have been interpreted in terms of a carry-over of a hypothetical factor or factors resulting from pressures created by the ongoing social dynamics involved in establishing and maintaining a given social rank at the time laboratory testing occurred.  
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  Notes Approved no  
  Call Number Serial 2083  
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