@CNN: Koko, the gorilla who mastered sign language, died in her sleep at age 46, The Gorilla Foundation says. She was said to have understood some 2,000 words of spoken English. https://t.co/TRRFThbWK0 https://t.co/Ebo1PxjCGw

June 24, 2018 / The Arbiter / CNN

@CNN: Koko, the gorilla who mastered sign language, died in her sleep at age 46, The Gorilla Foundation says. She was said to have understood some 2,000 words of spoken English. https://t.co/TRRFThbWK0 https://t.co/Ebo1PxjCGw

Koko, the gorilla who mastered sign language, died in her sleep at age 46, The Gorilla Foundation says. She was said to have understood some 2,000 words of spoken English. https://t.co/TRRFThbWK0 pic.twitter.com/Ebo1PxjCGw

— CNN (@CNN) June 24, 2018

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