I found this little guy or girl (not really sure)while walking a week ago and to my knowledge there are no wild Tortoises where I live I can't find it's owner and if I let it out it will most likely die the problem is that I don't know how to take care of it like what to feed it or where to keep it. I think It's a Greek Tortoise but I can be wrong right now the weather is nice so I have him in the yard and so far I only fed it lettuce cause it's the only thing it likes to eat also apples but I was told to not to feed it too much fruit until I know what type it is.

He looks fine until yesterday where it was dusty and come to him this morning covered in dust and doing a wired motion with his front legs like he rubbing his head is it stressed ? also I think it ate cactus and don't know what to do or where to read I need help.

https://preview.redd.it/36oggdsy23na1.png?width=473&format=png&auto=webp&s=57ec66f13b6cabbc5f972ee4800bac6cbbc20cc9