Dogs are the usual culprits. Some of which were labeled, The companys should be made responsible the same as is envisioned for smoking. If people ate at home or in restaraunts and disposed of any remains sensibly, a lot of the pidgeon problem would disappear to a great degree as like most wild creatures, they are only scavengers, and like most scavengers will congregate where the living is easy. T.B is a bigger issue than bird droppings. It could be put where the pigeons are most numerous.
Shooting is cruel and painful.
Limiting where pigeons can roost may also help. All these people that moan about a bit of pigeon poop should think themselves lucky that dogs can't fly. We think that the pigeons should be shot at point blank range and we should sell tickets to watch the new blood sport. Yes we are cruel. We don't think that other animals should be shot, and we don't think that the homeless should be shot either.