Koko the gorilla doted on her pet kitten as if it were her own child. To the amazement of her human handlers, she seemed able to capture the joys and annoyances of maternal love in strings of simple ...

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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 ...

The Gorilla Foundation says the 46-year-old western lowland gorilla died in its sleep. Koko, the gorilla who mastered sign language, has died. The Gorilla Foundation says the 46-year-old western ...

WOODSIDE, Calif. — 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 ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. Koko, the gorilla who mastered sign language ...

CINCINNATI (AP) - The Cincinnati Zoo is suing for the return of a gorilla loaned to a California conservatory as a companion for Koko, the late gorilla famed for mastering sign language. In a ...

Koko the gorilla doted on her pet kitten as if it were her own child. To the amazement of her human handlers, she seemed able to capture the joys and annoyances of maternal love in strings of simple ...

WOODSIDE, Calif. (CBSNewYork/AP) — Koko, the gorilla who mastered sign language, has died. The Gorilla Foundation says the 46-year-old western lowland gorilla died in her sleep at the foundation's ...

WOODSIDE, Calif. (AP) – 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 ...