Here are some factors that can influence their lifespan:
* Good health care: Proper nutrition, veterinary care, and housing can significantly extend a pony's life.
* Genetics: Some ponies have naturally longer lifespans due to their genetic makeup.
* Environment: A safe and stress-free environment can contribute to a longer life.
There are documented cases of Shetland ponies living well into their 30s and even 40s!