Koko, the gorilla who mastered sign language, died at the age of 46. Koko, the gorilla who mastered sign language and became a pop-culture phenomenon, will be laid to rest Saturday in a ceremony at an ...
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 ...
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 ...