In San Antonio, where people eat outside on the River Walk, the grackles fight the humans for wingspace. One of the restaurants on the River Walk gives the outside diners a paper plate with a ringed target printed on the top and a pair of chinstrings attached. Wear the plate-hat while you eat, and if you get a bird-poop bull's-eye, you get a free meal!
We could do something like that for the wedding ...