Gorillas” hands are much larger and thicker than humans”. Their thumbs are a little bit stumpier and their palms are much longer. All that adds up to incredible gripping and tearing power – as Koko demonstrates here on a doll.
Gorilla Anatomy 101
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Photographer: Ron Cohn
![](https://www.koko.org/wp-content/uploads/2010/03/020305_KokoCrushDoll.jpg)