KokoFlix Videoblog Archive

Koko's Brilliant Pink Awarness

Koko is looking at a sign language dictionary and points to the sign "wet" in the book. Penny tries to explain the sign to Koko. Then Penny notices that Koko's tongue is "brilliant pink" (Koko had been drawing with non-toxic marker pens, which she tried to taste). To show Koko how pink her tongue is, Penny brings a Read more


Koko has a vocabulary of over 1000 signs (American Sign Language) most of which she learned during the first few years of the project. However, she continues to learn (and occasionally invent) new signs, to improve her ability to communicate with her caregivers. In this 1-minute video clip, the sign for"butterfly" Read more

Koko's 32nd Birthday Walk

Although Koko was more subdued on her 32nd birthday than on her 31st, she enjoyed her feast foods (especially the new ones) and opening her many gifts and cards, which she spent more time examining than last year. She started the day with her ritual birthday walk, which began at 7:45 AM, and took her from Read more

Michael's Story

Michael grew up with Koko; they learned sign language together, they both painted beautifully, and they became like brother and sister. But Michael didn't come to live with Koko until he was 3 1/2 years old. As an infant in Africa, he lost his parents at the hands of poachers, in the illegal bushmeat trade, and Read more

Meet Michael

This is a brief introduction to the late silverback gorilla, Michael, who grew up with Koko, learned sign language with Koko, painted with Koko, loved Koko as a sister, and passed away in 2000 at the young age of 27. MIchael's life continues to be an inspiration to us all, and we've even named a sanctuary after him: Read more

Will Koko Teach Baby to Sign?

It's called "cultural transmission" when culturally relevant knowledge is passed from one person to another, or from parent to offspring, or from culture to culture. Will Koko transmit the sign language she learned from our culture to her baby (if we're fortunate enough to help her have one) — without any Read more

Video Dating

Penny shows Koko videos of male zoo gorillas, so that she can select the one(s) she is most attracted to. It's generally a thumbs-up, thumbs-down process. After a while, Koko sees Ndume on the screen, and gives the screen a big kiss — he's obviously the one. Within months, a young Ndume came to live with Koko at Read more

Koko and Moe

Koko craddles Moe in her arms and signs "Baby... Read more

When Koko Met Ndume

Koko is introduced to Ndume for the first Read more

When Koko Met Mister Rogers

Koko was in awe of Mister Rogers when he visited in 1999, as she had been watching him on TV since she was a baby. In this video, Koko signs to Mister Rogers that she loves his visit and Mister Rogers seems truly Read more

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