Gulls here will single out a lone vehicle in a parking lot and play a game... YES, a GAME... of I can crap better than you. I have seen them do it. They swoop down, taking turns (I could have said terns), and lay one down, all the time squawking about it.

Red Skelton... two seagulls flying over a used car lot... one says, "Lets make a deposit on a Ford."