Here are some factors that can affect a chinchilla's lifespan:
* Genetics: Some chinchillas are predisposed to certain health problems, which can shorten their lifespan.
* Diet: A healthy diet is essential for a long and healthy life.
* Environment: A safe and stimulating environment is crucial for a chinchilla's well-being.
* Veterinary care: Regular veterinary checkups and prompt treatment for any health issues can help extend a chinchilla's lifespan.