Here's why:
* ASL is a language for humans. Chinchillas are animals and don't communicate using ASL.
* Chinchillas have their own communication methods. They use a variety of vocalizations, body language, and scent marking to communicate with each other.
* There is no established sign language for animals. While some people may use hand gestures to communicate with their pets, these gestures are not standardized and do not constitute a true language.
If you're interested in learning more about how chinchillas communicate, you can do some research on their behavior and vocalizations.