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Author Povinelli DJ; Nelson KE; Boysen ST openurl 
  Title Comprehension of role reversal in chimpanzees: evidence of empathy? Type Journal Article
  Year 1992 Publication (up) Animal Behaviour. Abbreviated Journal Anim. Behav.  
  Volume 43 Issue Pages 633  
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  Notes Approved no  
  Call Number Equine Behaviour @ team @ Serial 3031  
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Author Aureli, F.; Cossolino, R.; Cordischi, C.; Scucchi, S. url  doi
openurl 
  Title Kin-oriented redirection among Japanese macaques: an expression of a revenge system? Type Journal Article
  Year 1992 Publication (up) Animal Behaviour. Abbreviated Journal Anim. Behav.  
  Volume 44 Issue 2 Pages 283-291  
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  Abstract The ability to recognize the close associates of other group members may permit the display of redirected aggression against the relatives of the former aggressor. However, the dominance structure and the kin-based alliance system of macaque society are expected not to favour the occurrence of this kin-oriented redirection. Nevertheless, within 1 h of being the victim of an attack, Japanese macaques, Macaca fuscata, were more likely to attack the former aggressor's kin than without such a conflict. The conditions under which the victim redirected against the former aggressor's kin were investigated. This kin-oriented redirection did not occur preferentially either after conflicts between individuals with unstable and/or uncertain dominance relationships or after conflicts with individuals that were unlikely to intervene in favour of their kin. Victims redirected against individuals that were younger than the former aggressor and often subordinate to the victim. They also redirected in an opportunistic way by joining polyadic interactions against the former aggressor's kin. The possibility that this kin-oriented redirection may have a long-term function in changing the aggressive attitude of the aggressor towards the victim is also discussed. In addition, the victim's kin also displayed a form of kin-oriented redirection. They were more likely to attack the kin of an individual after it had attacked their own kin.  
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  Notes 10.1016/0003-3472(92)90034-7 Approved no  
  Call Number Equine Behaviour @ team @ Serial 4867  
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Author Manson, J.H. url  doi
openurl 
  Title Measuring female mate choice in Cayo Santiago rhesus macaques Type Journal Article
  Year 1992 Publication (up) Animal Behaviour. Abbreviated Journal Anim. Behav.  
  Volume 44 Issue Pages 405-416  
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  Abstract Few studies of female mate choice have been carried out among free-ranging non-human primates. To qualify as female mate choice, behaviour by oestrous females must predict the occurrence or rate of potentially fertile copulations, in comparisons between heterosexual dyads. In this paper, data are presented to show three behaviour patterns that meet this criterion in free-ranging rhesus macaques, Macaca mulatta, at the island colony of Cayo Santiago: (1) selective cooperation with male sexual solicitations (hip-grasps), (2) restoration of proximity following attacks on females by intruding males, and (3) proximity maintenance (in one of two study groups). Oestrous females maintained proximity preferentially to lower ranking males, but this appeared to reflect differences in the tactics necessary to achieve copulations with males of different dominance ranks, rather than preference for lower ranking mates. Male-oestrous female dyads showed consistency over two consecutive mating seasons in which partner was responsible for proximity maintenance. Male dominance rank was positively correlated with copulatory rate with fertile females. However, in one study group, males to whom oestrous females maintained proximity more actively had higher copulatory rates with fertile females, independent of the effects of male dominance rank.  
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  Notes 10.1016/0003-3472(92)90051-A Approved no  
  Call Number Equine Behaviour @ team @ Serial 4889  
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Author Keiper, R.; Receveur, H. url  doi
openurl 
  Title Social interactions of free-ranging Przewalski horses in semi-reserves in the Netherlands Type Journal Article
  Year 1992 Publication (up) Applied Animal Behaviour Science Abbreviated Journal Appl. Anim. Behav. Sci.  
  Volume 33 Issue 4 Pages 303-318  
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  Abstract Social interactions were recorded in two bands of free-ranging Przewalski horses living on large (greater than 30 ha) pastures in the Netherlands. The average number of aggressive interactions per hour was 8.86 at Lelystad and 10.36 at Noorderheide. The most common aggressive interactions were lower intensity, lower cost displacements (17.2% of all aggressive acts at Lelystad, 13.2% at Noorderheide), threats to bite (42.3% and 40.7%, respectively) and threats to kick (15.4% and 23.9%, respectively). Analysis of aggression revealed that a clear, linear dominance hierarchy was present in each band. For each band there was a positive and highly significant correlation between the age of a horse and its rank in the hierarchy. In each band, the stallion was not the highest ranked horse. Non-agonistic behaviors exceeded the number of agonistic interactions (1253 vs. 558 for Lelystad; 1257 vs. 995 at Noorderheide). There was a negative correlation between the rank of a horse in the dominance hierarchy and the number of non-agonistic behaviors displayed. The group displaying the highest number of non-agonistic interactions were foals (48.9% of total non-agonistic behaviors at Lelystad; 51.1% at Noorderheide). The non-agonistic/agonistic ratio was greater than 1 for yearlings and the band stallion, as was also the case for foals, but was less than 1 for males.  
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  Call Number refbase @ user @ Serial 778  
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Author Kabuga, J.D. url  doi
openurl 
  Title Social relationships in N'dama cattle during supplementary feeding Type Journal Article
  Year 1992 Publication (up) Applied Animal Behaviour Science Abbreviated Journal Appl. Anim. Behav. Sci.  
  Volume 34 Issue 4 Pages 285-290  
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  Abstract Social relationships of 30 N'dama cows during supplementary feeding, post-grazing, were studied over a period of 1.5 years. Dominance ranks determined during idling and feeding periods were strongly correlated (Spearman's rank correlation (rs = 0.964, P < 0.01). The number of animals dominated by a cow during feeding was strongly (P < 0.01) related to liveweight (r = 0.822) and age (r = 0.755). Low status cows ate less frequently than medium and high status animals, while middle ranking cows were ejected more frequently from the feed trough than other dominance groups. Animals had preferences in the use of feed troughs, with social rank being the dominant factor determining the location of feed trough space used. Cows of similar status were generally preferred feeding and movement neighbours and antagonists. However, the dominance rank of an animal and its preferred neighbour during idling were not significantly correlated (rs = 0.220, P > 0.05). Voluntary leadership ranks into and out of the pen were, respectively, related closely (P < 0.01) to feeding dominance ranks (rs = 0.661, 0.640) and idling dominance ranks (rs = 0.621, 0.669).  
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  Call Number Equine Behaviour @ team @ room B 3.029 Serial 2033  
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Author Smith-Funk, E.D.; Crowell-Davis, S.L. url  openurl
  Title Maternal behavior of draft mares (Equus caballus) with mule foals (Equus asinus x Equus caballus) Type Journal Article
  Year 1992 Publication (up) Applied Animal Behaviour Science Abbreviated Journal Appl. Anim. Behav. Sci.  
  Volume 33 Issue 2-3 Pages 93-119  
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  Abstract Draft mares and their mule foals were observed from the day of birth to Week 17 of each foal's life. The rate of nursing was recorded and the duration of nursing activity to the nearest second. The rate at which foals engaged in nursing activity varied at each age. The duration of nursing bouts varied slightly as the foals matured. Aggression was recorded during both nursing and non-nursing activity for both the mares and foals. Maternal aggression was highest during nursing activity, especially during the pre-nurse nuzzling period. Maternal aggression increased as the foals matured. Mother-directed foal aggression was primarily in response to maternal aggression. Spatial relationships between each focal dyad were recorded when the foals were upright, not nursing and when they were recumbent. Spatial relationships differed based on the foal's state. The activity in which the mare engaged while her foal was recumbent was recorded. The movements of the mares were also recorded during foal recumbency. Mares approached or maintained their distance from their recumbent foal more than they left their recumbent foal in all weeks of the study, except Week 2.  
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  Call Number Equine Behaviour @ team @ Serial 2272  
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Author Cheney DL; Seyfarth RM openurl 
  Title Characterizing the mind of another species Type Journal Article
  Year 1992 Publication (up) Behav. Brain Sci. Abbreviated Journal  
  Volume 15 Issue Pages 172  
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  Call Number Equine Behaviour @ team @ Serial 2988  
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Author Dugatkin, L.A. url  openurl
  Title Tendency to inspect predators predicts mortality risk in the guppy (Poecilia reticulata) Type Journal Article
  Year 1992 Publication (up) Behavioral Ecology Abbreviated Journal Behav. Ecol.  
  Volume 3 Issue 2 Pages 124-127  
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  Abstract Although predator inspection behavior in fishes has become a model system for examining game theoretical strategies such as Tit for Tat, the direct costs of inspection behavior have not been quantified. To begin quantifying such costs, I conducted an experiment that examined mortality due to predation as a function of predator inspection in the guppy (Poecilia reticulata). Before being subjected to a “survivorship” experiment, guppies were assayed for their tendency to inspect a predator. Groups were then composed of six guppies that differed in their tendency to inspect. These groups were placed into a pool containing a predator, and survivorship of guppies with different inspection tendencies was noted 36 and 60 h later. Results indicate that individuals that display high degrees of inspection behavior suffer greater mortality than their noninspecting shoalmates.  
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  Notes 10.1093/beheco/3.2.124 Approved no  
  Call Number refbase @ user @ Serial 526  
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Author Krause, J.; Bumann, D.; Todt, D. url  doi
openurl 
  Title Relationship between the position preference and nutritional state of individuals in schools of juvenile roach (Rutilus rutilus) Type Journal Article
  Year 1992 Publication (up) Behavioral Ecology and Sociobiology Abbreviated Journal Behav. Ecol. Sociobiol.  
  Volume 30 Issue 3 Pages 177-180  
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  Abstract Position preferences of well-fed and food-deprived juvenile roach were investigated in schools of 2 and 4 fish in the laboratory. Food-deprived fish appeared significantly more often in the front position than their well-fed conspecifics. For fish at the same hunger level, individuals at the front of the school had the highest feeding rate. These results represent the first evidence for a relationship between the nutritional state of individual fish and their positions in a school and suggest a functional advantage of the preference.  
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  Call Number Equine Behaviour @ team @ Serial 5140  
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Author Lamprecht, J. doi  openurl
  Title Variable Leadership in Bar-Headed Geese (Anser Indicus) : an Analysis of Pair and Family Departures Type Journal Article
  Year 1992 Publication (up) Behaviour Abbreviated Journal Behaviour  
  Volume 122 Issue 1-2 Pages 105-119  
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  Abstract This paper reports quantitative leadership differences in semi-captive bar-headed geese (Anser indicus) at different times of the year, and in different types of groups. Leading is defined here as causing the departure or determining the direction of movement of the whole group. No permanent and exclusive leader of a pair or family group was found, rather relative leading frequencies of male, female and young showed a definite shifting pattern. Females led more often than their mates prior to breeding, and on nest pauses during the incubation period, but less often in summer, autumn and early winter. In families there was no difference between the frequencies of male and female leading. Family females led relatively more often than those of pairs without offspring. This difference was related to the presence, not the number, of young. Goslings led the family about as often as the parents during the rearing period in early summer, less often in autumn, winter and next spring. Such differences and changes are to be expected where competence in particular tasks and dependence on partners vary between group members, and where different situations require different abilities. For the geese, the results can be related to the different options of group members and to the different benefits they derive from leaving (or 'staying put') or following (or waiting for the others) in different situations.  
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  Call Number Equine Behaviour @ team @ Serial 5128  
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