Sophie, you are right about the mud and raccoons. They seem to want to wash their paws in the water too and I always know when the raccoons have fed at my feral feeding station when I see alot of mud in the bowls. For some reason, she has moved her kittens and where? We will never know.
. I really doubt she would roam again to be bred with her kittens following along, but I guess it could be possible. It would surprise me though because doing so would put her kittens in danger and go against her natural instinct to protect them and I doubt she would do that... and why she would take them from a food source is confusing
to me. I have to wonder if she has another food source in the area, that must be the case. You did the best you could for her and the kittens and we just have to pray that they will be alright. They still might be back so I would still go out there and put a little food/water out for another week or so. Then if you still don't see them then I would just go out there each day and check to see if she has returned to eat. I hope she returns so you can get her spayed