Koko demonstrates “Frown”. She can frown when she is sad or upset, just like we can.
Koko”s “Frown”
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Photographer: Penny Patterson
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Created On:
Posted On:
Photographer: Penny Patterson
Koko demonstrates “Frown”. She can frown when she is sad or upset, just like we can.
© 2022 The Gorilla Foundation / Koko.org
