One method I found was that you can chase them by training your dog to get rid of large birds. Or you can use a spray repellent, but don't know if it is harmful to birds and there should be no scientific evidence to prove that they are effective. I would recommend building a physical barrier bird net or barbed wire, etc., which may work. These methods are all found online, and I don't know if we can build a bird house and provide food, then they will not bother us.