Reports

Chimpanzees: Self-Recognition

Science  02 Jan 1970:
Vol. 167, Issue 3914, pp. 86-87
DOI: 10.1126/science.167.3914.86

Abstract

After prolonged exposure to their reflected images in mirrors, chimpanzees marked with red dye showed evidence of being able to recognize their own reflections. Monkeys did not appear to have this capacity.

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