Whilst pigeons might be clever, They are really scared by big shifting objects. To discourage pigeons from a home, attach the balloons or Seashore balls to areas frequented by pigeons. You can even be Artistic and attract eyes on the balloons or Beach front balls to additional scare the pigeons. https://gunner6isbi.bloguetechno.com/the-fact-about-how-to-install-a-pigeon-repellent-in-buraidah-that-no-one-is-suggesting-66294401