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Raising the level: orangutans use water as a tool
We investigated the use of water as a tool by presenting five orangutans (Pongo abelii) with an out-of-reach peanut floating inside a vertical transparent tube. All orangutans collected water from a drinker and spat it inside the tube to get access to the peanut. Subjects required an average of thre...
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| Autores principales: | , , |
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| Formato: | Artigo |
| Lenguaje: | Inglês |
| Publicado: |
The Royal Society
2007
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| Materias: | |
| Acceso en línea: | https://ncbi.nlm.nih.gov/pmc/articles/PMC2391177/ https://ncbi.nlm.nih.gov/pubmed/17609175 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1098/rsbl.2007.0198 |
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