The gorilla knows over 1,000 words in sign language. — -- A gorilla famed for its ability to converse in sign language is now a mother after "adopting" two adorable kittens. Koko the gorilla ...

Koko the gorilla, the simian who showed the world that they could communicate has died. The Gorilla Foundation made the announcement. Koko was born 46 years ago at the San Francisco Zoo. She was ...

Koko, the western lowland gorilla who learned sign language, died on Thursday. Koko, the western lowland gorilla who learned sign language and became a pop-culture phenomenon, has died at the age of ...