Usually it means it's a buck's droppings. I mean sure it could also be a deer that isnt getting enough fiber but I would have to go with it being a bucks droppings. Do you see more piles of droppings that are clumpped like the one you described or do you see both or more single dropping type? If you see more of the clumpped type than MABEY it is that their isnt enough fiber in the area food but if you consistantly see both than I would tend to also think it is a bucks. Good luck and Good Hunting