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Science 20 May 1960:
Vol. 131. no. 3412, pp. 1527 - 1528
DOI: 10.1126/science.131.3412.1527
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Articles

Selection of Food by Size in the Chimpanzee, and Comparison with Human Judgments

Emil W. Menzel Jr. 1

1 Yerkes Laboratories of Primate Biology, Orange Park, Florida

Adult chimpanzees, given access to an array of pieces of banana, select the pieces in order of size, larger pieces being taken first. Selection is mediated by perceived sizes, and the responses correspond closely to human visual judgment of size.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)