Koko: Gorilla who mastered sign language dies in California
Thursday, July 5, 2018 - 18:12
in Paleontology & Archaeology
Koko is said to have been able to communicate thoughts and feelings using more than 1,000 hand signs.
Updated by artificial intelligence Sat, 3 Jan 2026, 15:40:35 UTC Learn more
- Tell your friends
- Get science news via