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Author |
Gouzoules, S.; Gouzoules, H. |
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Kinship |
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Book Chapter |
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Year |
1987 |
Publication |
Primate societies |
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299-305 |
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University of Chicago Press |
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Chicago |
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Smuts, B. B.; Cheney, D. L.; Seyfarth, R. M.; Wrangham, R. W.; Struhsaker T. T |
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Call Number |
Equine Behaviour @ team @ |
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5430 |
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Author |
Hunte, W.; Horrocks, J.A. |
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Title |
Kin and non-kin interventions in the aggressive disputes of vervet monkeys |
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Journal Article |
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Year |
1987 |
Publication |
Behav. Ecol. Sociobiol. |
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20 |
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Pages |
257-263 |
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Interventions in aggressive disputes were investigated in a free-living troop of vervets (Cercopithecus aethiops sabaeus) in Barbados. Interventions on behalf of kin were more frequent than on behalf of non-kin. Both types of interventions were more likely when the intervening animal outranked the opponent; presumably because retaliation probability, and hence cost of intervening, is low against low ranking opponents. The number of interventions given on behalf of both kin and non-kin increased with the number of disputes in which they were involved. In contrast to kin interventions, the number of interventions given on behalf of non-kin was correlated with that received by non-kin, suggesting that reciprocation is a necessary component of non-kin interventions. Non-kin interventions were more likely when the recipient outranked the opponent, presumably because reciprocation probability is high. Pairs of non-kin form structured reciprocal relationships based on the proportion of interventions allocated to each other, and most non-kin interventions flowed through these relationships. Males intervened on behalf of non-kin more frequently than did females. The implications of the results for the evolution of kin and reciprocal altruism were discussed. |
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10.1007/Bf00292178 |
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Call Number |
Equine Behaviour @ team @ |
Serial |
4927 |
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Author |
Olivier W, |
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Title |
Is it possible to bring back the quagga? |
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Journal Article |
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Year |
1987 |
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Abbreviated Journal |
Roan News |
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4 |
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1-2 |
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Notes |
from Professor Hans Klingels Equine Reference List |
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no |
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1435 |
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Author |
Kacelnik, A. |
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Title |
Information primacy or preference for familiar foraging techniques? A critique of Inglis & Ferguson |
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Journal Article |
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Year |
1987 |
Publication |
Animal Behaviour. |
Abbreviated Journal |
Anim. Behav. |
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35 |
Issue |
3 |
Pages |
925-926 |
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2121 |
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Author |
Berger, J.; Cunningham, C. |
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Title |
Influence of Familiarity on Frequency of Inbreeding in Wild Horses |
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Journal Article |
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Year |
1987 |
Publication |
Evolution |
Abbreviated Journal |
Evolution |
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41 |
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229-231 |
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Equine Behaviour @ team @ |
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2232 |
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Author |
Penzhorn Bl, G.R. |
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Title |
Incisor wear in free – ranging Cape mountain zebras |
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Journal Article |
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Year |
1987 |
Publication |
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Abbreviated Journal |
S Afr J Wildl Res |
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17 |
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Pages |
99-102 |
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Notes |
from Professor Hans Klingels Equine Reference List |
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no |
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1461 |
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Author |
Rutberg, A.T. |
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Title |
Horse Fly Harassment and the Social Behavior of Feral Ponies |
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Journal Article |
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Year |
1987 |
Publication |
Ethology |
Abbreviated Journal |
Ethology |
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75 |
Issue |
2 |
Pages |
145-154 |
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Abstract Horse flies (Tabanidae) on and around feral ponies in harem groups were counted at Assateague Island National Seashore, Maryland, U.S.A., between June and August 1985. Harem stallions attracted the most flies; adult mares showed intermediate fly numbers, while few flies landed on foals under any circumstances. The use of thermal and chemical cues by flies selecting a host may have helped create this disparity. When flies were abundant, ponies reduced spacing within the group. Ponies in larger groups suffered from fewer flies than ponies in smaller groups. There was, however, no evidence that ponies merged into larger groups in response to fly harassment, suggesting that biting flies play little role in structuring pony social organization. |
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Wiley/Blackwell (10.1111) |
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0179-1613 |
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doi: 10.1111/j.1439-0310.1987.tb00648.x |
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Call Number |
Equine Behaviour @ team @ |
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6417 |
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Author |
Brown, J.L. |
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Title |
Helping and Communal Breeding in Birds |
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Miscellaneous |
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Year |
1987 |
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Equine Behaviour @ team @ |
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4907 |
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Author |
Lisa Nash, H.; Song, G.K.; Price, E.O. |
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Title |
Head partitions facilitate feeding by subordinate horses in the presence of dominant pen-mates |
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Journal Article |
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Year |
1987 |
Publication |
Applied Animal Behaviour Science |
Abbreviated Journal |
Appl. Anim. Behav. Sci. |
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19 |
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1-2 |
Pages |
179-182 |
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The purpose of the following study was to determine if head partitions would facilitate feeding by subordinate horses in the presence of dominant pen-mates. Six pairs of mares, each with established dominant-subordinate relationships, were allowed to compete for feed in a 112-cm trough following 24 h of deprivation. Time spent feeding by each mare in each pair was recorded with a wire-mesh partition, a solid plywood partition or no partition dividing the trough. Differences in feeding times between dominant and subordinate mares were greatest in the absence of a partition and least (P<0.05) with the wire barrier in place. Differences in feeding times with the solid plywood barrier were not significantly different from either of the other treatment conditions. It was concluded that head partitions on a trough facilitate feeding by subordinate horses in the presence of dominant pen-mates and thus provide a more equitable distribution of food resources. |
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0168-1591 |
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Equine Behaviour @ team @ |
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5411 |
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Author |
Feh, C. |
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Title |
Etude du développement des relations sociales chez des étalons (Equus caballus) de race camargue et de leur contribution à l'organisation sociale du groupe |
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Manuscript |
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1987 |
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Diplôme de recherche universitaire: neurosciences comportementales: Université d'Aix-Marseille II. Faculté des sciences de Luminy Marseille (FRA)* 117p |
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Master's thesis |
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Université d'Aix-Marseille |
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Marseille |
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Equine Behaviour @ team @ |
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5485 |
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