An orangutan who communicated with researchers using sign language has died at Zoo Atlanta. Chantek was 39.
On its website, Zoo Atlanta says Chantek died Monday. The cause of death isn’t known, but the zoo says veterinarians had been treating him for progressive heart disease.
Chantek came to the zoo in 1997 at the age of 19.
Sad news: @ZooATL family mourns passing of Chantek the orangutan. Full story here: https://t.co/P9LFQYF60E pic.twitter.com/3KtbZ5Zifc— Zoo Atlanta (@ZooATL) August 7, 2017