I picked up the kids at Gramdma's who lives in my old neighborhood. So, I decided to drive down my childhood friends old street. The airport folks leveled almost all the houses there about fifteen years ago for the new runway. Anyway, for some reason I thought there might be some Bodark/Osage down there. Sure enough, I found 2 really big one's. One looks like it will/could produce bows. At the base (18" diameter) I saw what looked like droppings of some sort. It was full of Bodark seeds. It was all around the trunk maybe 12" wide and an inch or 2 deep. What is it?What caused it?