Why Koko the Gorilla, Who Mastered Sign Language, Mattered(00)

Why Koko the Gorilla, Who Mastered Sign Language, Mattered(00)

Image gallery: Koko Yamada Nude

Why Koko the Gorilla, Who Mastered Sign Language, Mattered Koko the Gorilla Dies at 46 - Big World Tale Remembering Koko the gorilla