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The use of tokens as rewards and tools by chimpanzees (Pan troglodytes)

✍ Scribed by Sousa, Cl�udia; Matsuzawa, Tetsuro

Publisher
Springer-Verlag
Year
2001
Tongue
English
Weight
108 KB
Volume
4
Category
Article
ISSN
1435-9448

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In Tenkere, Sierra Leone, a community of wild chimpanzees (Pan troglodytes verus) spent long hours eating the fruits and flowers of the Kapok (Ceiba pentandra) tree. The branches of this species are covered in sharp thorns which make movement in their high canopies problematic for the chimpanzees. I