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Table of Contents
Vol. 54, No. 1-2, 1990
Issue release date: 1990
Section title: Reviewed Article
Folia Primatol 1990;54:86–99
(DOI:10.1159/000156428)

Tool Use and Tool Making in Wild Chimpanzees

Boesch Ch. · Boesch H.
Ethology and Wildlife Research Department, University of Zürich, Switzerland

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Article / Publication Details

First-Page Preview
Abstract of Reviewed Article

Received: August 16, 1988
Accepted: September 06, 1989
Published online: September 12, 2008
Issue release date: 1990

Number of Print Pages: 14
Number of Figures: 0
Number of Tables: 0

ISSN: 0015-5713 (Print)
eISSN: 1421-9980 (Online)

For additional information: http://www.karger.com/FPR

Abstract

Reported incidences of tool use and tool making for three wild chimpanzee populations increase from Mahale (12 and 3 types of use and making, respectively), Gombe (16 and 3) to Taï (19 and 6). Sticks are commonly used and prepared at all three sites. However, Taï chimpanzees seem to perform more modifications on the material before using it. They are also the only chimpanzees seen to pound objects with tools and to combine two different tool uses to get access to one food item. Tool making is the rule for abundant material (grass, twigs), but appears to be rarer for scarce, hard material (clubs, stones). Factors involved in the acquisition and the benefit of tool use are discussed along with factors affecting the frequency and complexity of tool making in chimpanzees.

© 1990 S. Karger AG, Basel


Article / Publication Details

First-Page Preview
Abstract of Reviewed Article

Received: August 16, 1988
Accepted: September 06, 1989
Published online: September 12, 2008
Issue release date: 1990

Number of Print Pages: 14
Number of Figures: 0
Number of Tables: 0

ISSN: 0015-5713 (Print)
eISSN: 1421-9980 (Online)

For additional information: http://www.karger.com/FPR


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Drug Dosage: The authors and the publisher have exerted every effort to ensure that drug selection and dosage set forth in this text are in accord with current recommendations and practice at the time of publication. However, in view of ongoing research, changes in government regulations, and the constant flow of information relating to drug therapy and drug reactions, the reader is urged to check the package insert for each drug for any changes in indications and dosage and for added warnings and precautions. This is particularly important when the recommended agent is a new and/or infrequently employed drug.
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