The cliche understanding is that dogs mark their territory with pee. At times I’ve been on walks with family and friends with half a dozen dogs. There have been occasions where they form a line just to pee in the same spot.
So how does the ownership work? Is it like a co-op? Last one to pee wins?
My grandparents had a dog that when we brought our dog, would follow our dog around to all the spots ours peed on after the car ride, sometimes peeing before and after on a spot with our dog peeing there in between.