Since the world learned of Robin Williams’ death, there have been countless messages and tributes to the iconic comedian.
One surprising pal, a famous ape, also had a personal connection to Williams.
Koko, who is best known for understanding sign language, has been seen on PBS and featured as a ‘cover girl’ on National Geographic.
Williams visited Koko in 2001 and started a special friendship.
Koko’s caretaker said the gorilla sensed that something was wrong from listening to phone calls on Monday, which is the day the news of Williams’ death broke.
Watch the video above where Jeanne Moos reports on the special connection between Williams and Koko.