Today, Patterson is still serving as the gorilla’s primary caregiver and their remarkable bond is the subject of the one-hour documentary “Koko: The Gorilla Who Talks,” premiering Aug. 3 at ...

Koko, the gorilla who became an ambassador to the human world through her ability to communicate, has died. She's seen here at age 4, telling psychologist Francine "Penny" Patterson (left) that ...

Koko’s life was peaceful, compared to that of a gorilla in the wild — yet still fraught with tragedy, in its own way. Koko wanted to be a mother, but ultimately never found the right partner ...

Koko was born at the San Francisco Zoo, and Dr. Francine 'Penny' Patterson began teaching the gorilla sign language that became part of a Stanford University project in 1974.

Koko the gorilla, the super-intelligent ape who understands spoken English and communicates with humans via sign language, apparently reacted to the death of his friend Robin Williams like the ...

Koko, the gorilla who mastered sign language and showed the world what great apes can do, has died. She died Tuesday in her sleep at age 46, The Gorilla Foundation said in a statement.

Koko, the gorilla known for mastering a unique form of sign language and for her intimate visits with celebrities like Robin Williams, has died at 46. × Skip to main content ...

The Gorilla Foundation said Koko, the beloved western lowland gorilla that befriended Robin Williams and others, died in her sleep in Northern California. Accessibility statement Skip to main content.

Koko was born at the San Francisco Zoo in 1971, and Dr. Francine Patterson began teaching the gorilla sign language that became part of a Stanford University project in 1974.

Koko, likely the world’s most famous gorilla, has died. The Gorilla Foundation , the California-based non-profit the 46-year-old primate called home, announced the news on Thursday.