I can always tell when Oz has to poop, because he starts this frantic running back and forth in a straight line, then he poops. He walks a lil' bit, but the poop is all in the same general area.

Gull has to let out a few barks before he poops. Guess he wants to ward off any predators that might take advantage of him in such a vunerable position. He pretty much poops in the same spot though.

Murph walks a lil' too and then after he's done, does the kicking the dirt thing. I believe that's a territorial gesture.

Par...