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 showed the world that animals feel emotion just as much as humans, died in her sleep on Tuesday. She was 46 years old. A critically endangered western lowland gorilla, she was ...

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 ...

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 ...

The gorilla is famous for being able to express her emotions through sign language, even mourning the death of celebrity friend Robin Williams Kelli Bender is the Pets Editor at PEOPLE. She has been ...

Koko, the gorilla known for mastering a unique form of sign language and for her intimate visits with celebrities like Robin Williams and Red Hot Chili Peppers bassist Flea, has died. The famous ...

Koko, the gorilla whose apparent aptitude for sign language endeared her to fans around the world, died in her sleep on Tuesday morning in California, according to the Gorilla Foundation, which ...

(CNN) — Koko, the gorilla who mastered sign language and showed the world what great apes can do, has died. She died Tuesday in her sleep at age 46, The Gorilla Foundation said in a statement. “Koko ...

WOODSIDE, Calif. -- 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 preserve in ...

SAN FRANCISCO - Koko the gorilla, whose remarkable sign-language ability and motherly attachment to pet cats helped change the world's views about the intelligence of animals and their capacity for ...

June 21 (Reuters) - Koko, a western lowland gorilla said to have mastered American Sign Language, has died aged 46, the California institute which studied her said on Thursday. "The Gorilla Foundation ...