Related Clues:
- Mocks by imitating
- Chimps, for example
- Creatures studied by Goodall and Fossey
- Planet inhabitants?
- Long-armed animals
- Cornelius and Zira, in a 1968 sci-fi film
- Some early 'astronauts'
- Long-armed critters
- Some are great and some are lesser
- Jungle film regulars
- Gorilla and gibbon
- "Planet of the __"
- Colonel George Taylor's movie captors
- Barbary swingers
- They communicate using Yerkish