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Koko Vocalizes a "Who" Sound

Koko demonstrates her ability to control her vocalizations and breath, by using a "blow-test" as a welcome gesture during her meeting with the late Mister (Fred) ...

Meet Koko's New Kittens

Koko got her birthday wish this July 4th — not only did one kitten come to visit, but a whole litter. Koko fell in love with one, and the other fell in love with her.

When Koko Met Ndume

Ndume is a male gorilla who came to live with Koko when he was 10 years old, in 1991, from the Cincinnati Zoo. Koko selected him via a process similar to ...

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 ...

Kokos Kittens are Growing

Koko's kittens, Ms. Gray and Ms. Black, who appeared first in the video "Meet Koko's New Kittens," are growing into cats. Koko enjoys engaging with them as ...

Koko's Quest for a Baby

Koko has been telling us for some time, via sign language and play behavior, that she wants to raise a baby gorilla and have a larger family. Helping Koko adopt ...

Mr. Rogers - It's You I Like

I know I don't usually upload videos like this one here but this is extremely touching and inspiring. I hope everyone can take something from this. It's much easier ...

Koko Gets a Kitty Visit

Koko has always been very affectionate toward kittens (remember All Ball on the 1985 cover of National Geographic) and still entertains them as guests from ...

Koko's Wish for a Family

As you may know, one of Koko's most cherished wishes is to be a mother herself. Watch the video (below) to find out about her heart's desire and what we are ...

A Tribute to Koko

I never had the privilege of meeting Koko, but I truly loved her. I've been a member of the Gorilla Foundation for years and am crushed to learn of Koko's passing.