Fig. 1 | Scientific Reports

Fig. 1

From: Chimpanzees yawn when observing an android yawn

Fig. 1

(A) Android conditions: Close, Gape, Yawn, and back view. (B) and (C) Examples of chimpanzee exhibiting yawning behaviour. (D) Examples of chimpanzee exhibiting gaping behaviour. (E) Examples of chimpanzee exhibiting yawning and lying down behaviour. Photos RMJM, Aline Sardin-Damasso & Mona.

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