Koko

Years before his death, comedian Robin Williams met with Koko, the famed gorilla who can use sign language to communicate. In the clip, Williams is seen tickling Koko, who requested ...

Koko the gorilla sends a moving message to humans. The question is, does she understand what she is ...

The Gorilla Foundation posted video of a meeting between Williams and Koko in 2001, and says Koko has ...