Vivian Warfield Movies
- 1989
Animal Behavior
Animal Behavior21989HD
Biologist Alex Brisco develops a new method to communicate with chimpanzees. Instead of using machines, she teaches the chimps simple sign language....
![Animal Behavior]()
21989HD
Biologist Alex Brisco develops a new method to communicate with chimpanzees. Instead of using machines, she teaches the chimps simple sign language....