Found this picture of a wild sulcata! Watch out! Anyways looks like fine dirt to me not sand but I could be wrong I have not been to that part of Africa and I don't think anyone on here has been either.Sorry I should have said "desert of sand" haha. I was wandering if maybe some species might be somehow adapted to eating a bit of sand. Doesn't what we call the desert tortoise live actually on sand deserts? Even in places where it's mostly dirt there is some spots that are full of sand. I can imagine a tortoise eating some plants whole with the roots full of dirt, sand and small rocks attached to it. Do you think sand might sometimes be an issue even for wild tortoise?

Interesting...Maybe wild ones intentionally try not to eat what the plant grow in while captive ones don't have that habit because we put everything in terra cotta dish...I looked it up, and even desert tortoises live on more of a packed down sandy soil instead of loose sand.
I found this about Russian tortoises, and maybe the same applies to a species living on sand?
“Wild Russian tortoises also graze on low-growing vegetation; they don’t eat directly off the substrate as they often do in captivity. “
If desert species live in deserts (on sand) wouldn't they get sand impactions all the time?