Koko, the gorilla who communicated in sign language, admiring her new kitten in 1985. According to the Gorilla Foundation, Koko died in her sleep this week at the age of 46. Photo: National Geographic Society via AP

Koko, the beloved gorilla that learned sign language, has died

The primate that became a celebrity for her ability to communicate was 46

Topic |   Obituaries

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Koko, the gorilla who communicated in sign language, admiring her new kitten in 1985. According to the Gorilla Foundation, Koko died in her sleep this week at the age of 46. Photo: National Geographic Society via AP
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