Koko the Gorilla has a Message for You
Wikipedia: Hanabiko “Koko” (born July 4, 1971) is a female western lowland gorilla who is known for having learned a large number of hand signs from a modified version of American Sign Language (ASL). Her trainer, Francine “Penny” Patterson, reports that Koko is able to understand more than 1,000 signs of what Patterson calls “Gorilla…