SAN FRANCISCO (AP) — 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 ...

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, ...

Koko, pictured at age four, is asked if she is hungry by her lifelong teacher, Francine "Penny" Patterson, and answers back that she is. Also pictured is June Monroe, an interpreter for the deaf who ...

(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 is sad ...

Koko, the gorilla who mastered sign language, has died. The Gorilla Foundation says the 46-year-old western lowland gorilla died in its sleep at the foundation's preserve in California's Sana Cruz ...

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

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