Editor's Note: This story was published on Aug. 13, 2014. Koko died in her sleep at the foundation's preserve in California's Santa Cruz mountains on Tuesday, June 19, 2018. Robin Williams brought joy ...
Koko the gorilla who mastered sign language, raised kittens and once playfully tried on the glasses of the late actor Robin Williams, has died. She was 46. The Gorilla Foundation says the western ...
Over the years, Koko's fame grew. She appeared on two covers of National Geographic—and even took one of the pictures herself. Fans also fell in love with the friendship Koko developed with her kitten ...