KNOXVILLE, Tenn. — On Monday, Zoo Knoxville celebrated accessibility and inclusion by bringing out volunteer American Sign Language students to make chats with animal keepers more accessible. Zoo ...

Chantek, a 39-year-old male orangutan known around the world for his ability to use American Sign Language to communicate, has died at Zoo Atlanta. The zoo announced it was treating Chantek for ...

CINCINNATI (AP) - The Cincinnati Zoo is suing for the return of a gorilla loaned to a California conservatory as a companion for Koko, the late gorilla famed for mastering sign language. In a ...

Add Yahoo as a preferred source to see more of our stories on Google. Zoo officials say Chantek, a male orangutan who was among the first apes to learn sign language, could clean his room and ...