Aimed throwing of stones by tufted capuchin monkeys (Cebus apella) |
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Authors: | G C Westergaard S J Suomi |
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Institution: | (1) Laboratory of Comparative Ethology, National Institute of Child Health and Human Development, P.O. Box 529, 20837 Poolesville, MD, USA |
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Abstract: | The purpose of this research was to examine aimed throwing of stones by tufted capuchin monkeys (Cebus apella). Three capuchins (two adults and one juvenile) threw stones at a stationary target located outside their home cages. The
monkeys subsequently discriminated between stationary targets and threw stones at a moving target. Each subject exhibited
a distinct manual and postural throwing preference. These results demonstrate that capuchins have throwing capabilities which
are thought to have been associated with early hominid evolution. |
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Keywords: | Capuchin evolution hominid throwing tool-use |
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