Assistant Professor Roberta Salmi has been working with the producers of the latest two movies in the Planet of the Apes franchise, using her primatology fieldwork and research to provide authenticity to the movies’ gorilla portrayals. She’s shared recorded gorilla calls along with context and behaviors for these sounds. Here’s an interview in the Red & Black, the most informative article on her role in the films. http://bit.ly/2v2aQKV