Diversity of items of low nutritional value ingested by chimpanzees from Kanyawara,Kibale National Park,Uganda: an example of the etho-ethnology of chimpanzees
Restricted accessResearch articleFirst published online June, 2006
Diversity of items of low nutritional value ingested by chimpanzees from Kanyawara,Kibale National Park,Uganda: an example of the etho-ethnology of chimpanzees
For more than 30 years, field studies have shown that chimpanzees ingest items of low nutritional value such as rough leaves, bitter stems and clay, apparently thereby protecting themselves against parasites and modulating their health. The authors describe the diversity and the biological activities of items of low nutritional value used by Kanyawara chimpanzees in Uganda, according to scientific observations enriched by the viewpoints of local field assistants and a traditional healer. Their perception of chimpanzees' behaviour and the overlap with human medicinal uses led the authors to explore chimpanzee behaviour in a comparative cultural perspective. In spite of the rarity of such observations on wild individuals, study of self-medicative practices offers the opportunity to suggest an epistemology of the chimpanzee so as to better understand the acquisition and transmission of behaviours linked to diseases.
French
Depuis une trentaine d'années, des études de terrain ont montré que les chimpanzés ingèrent régulièrement des matériels de faible valeur nutritive comme des feuilles rugueuses, des tiges amères ou encore des argiles qui peuvent influer sur leur santé. Les données scientifiques décrites ici soulignent la diversité et les activités biologiques des items non-nutritifs utilisés par les chimpanzés de Kanyawara en Ouganda et s'enrichissent des témoignages des assistants et du médecin traditionnel local. Leur perception de ces comportements et les recouvrements avec les usages ethnomédicinaux permettent d'explorer le comportement des chimpanzés dans une perspective de comparaison culturelle. Cette étude est aussi l'occasion de souligner l'intérêt - malgré la difficulté inhérente à des observations rares portant sur des individus sauvages - d'une épistémologie du chimpanzé qui doit permettre de mieux appréhender l'acquisition et la transmission des comportements en lien avec la maladie.
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