Koko the Gorilla Who Knew Sign Language Has Died


This truly makes me so sad. Koko the gorilla who was famous for learning and mastering sign language passed away at the age of 46 in her sleep.

Koko made friends with Mister Rogers, Betty White and Robin Williams. 

 Koko appeared in several documentaries and the cover of National Geographic. She also raised several kittens.

Below is a video of Koko and Robin Willaims.



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