Koko (gorilla)

Koko is a gorilla who was taught sign language so she could communicate with humans. She was very good at it and could understand lots of words and phrases. Koko could also express her thoughts and feelings to her human friends using sign language. She was very famous and lots of people loved watching her videos on TV and online. She lived a long life and made a big impact on how people think about animals and their abilities to communicate with us.