Koko, a western lowland gorilla said to have mastered American Sign Language, has died aged 46, the California institute which studied her has said. "The Gorilla Foundation is sad to announce the ...

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 ...

Koko, a beloved gorilla that learned to communicate with humans and then stole their hearts, has died. The Gorilla Foundation said the 46-year-old celebrity ape - a western lowland gorilla - died in ...

KOKO, the beloved western lowland gorilla who mastered sign language, raised kittens, and famously played with Robin Williams, has died aged 46. The Gorilla Foundation says the western lowland gorilla ...

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 ...