Koko only practises brushing her teeth the way we do when Penny is around. Her usual “toothbrush” is a piece of raw yam.
Koko Brushes her Teeth
Created On:
Posted On:
Photographer: Ron Cohn
![](https://www.koko.org/wp-content/uploads/2010/03/020430_KBrushTeeth.jpg)
Created On:
Posted On:
Photographer: Ron Cohn
Koko only practises brushing her teeth the way we do when Penny is around. Her usual “toothbrush” is a piece of raw yam.
© 2023 The Gorilla Foundation / Koko.org