The western lowland gorilla appeared in many documentaries showing her mastery of 1,000 words of sign language. On hearing of her ...

CTV National News: Tribute to a gentle giant The beloved gorilla that became famous for learning sign language has died at age 46.

Koko, the celebrated western lowland gorilla, died at the age of 46 this week. Many people paid tributes to her by praising her ...

(Reuters) - Koko, a western lowland gorilla said to have mastered American Sign Language, has died aged 46, the California ...

The Gazette offers audio versions of articles using Instaread. Some words may be mispronounced. Koko, a beloved gorilla that ...

Koko the gorilla, whose remarkable sign-language ability and motherly attachment to pet cats helped change the world's views ...