CTV National News: Tribute to a gentle giant The beloved gorilla that became famous for learning sign language has died at age 46. Todd Battis has the story of Koko.

Koko, the sign language-speaking gorilla, died unexpectedly in her sleep last week, just shy of what would have been her 47th birthday on July 4. News of her death saddened millions around the world, ...

Even though she couldn't speak, Hanabiko the gorilla could converse quite fluently, and was more fluent in sign language than the average human. Hanabiko — better known by her nickname Koko — died on ...

Koko the gorilla who mastered sign language, raised kittens and once playfully tried on the glasses of the late actor Robin Williams, has died. She was 46. The Gorilla Foundation says the western ...

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