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Koko, beloved gorilla that mastered sign language, dies

Name: Koko, beloved gorilla that mastered sign language, dies
Uploaded: 2018-06-21T19:37:17-0400
Duration: 1 min 17 s
Description: The Gorilla Foundation says the 46-year-old western lowland gorilla died Tuesday in her sleep at the foundation's preserve in California's Santa Cruz mountains.

The Gorilla Foundation says the 46-year-old western lowland gorilla died Tuesday in her sleep at the foundation's preserve in California's Santa Cruz mountains.