Many of the most common things which pigeons manage to dislike are loud noises and staying all over other animals, Particularly predators. Pigeons also seem to dislike the smell of vinegar. Humane Therapy: Using bird pigeon spikes is usually viewed as humane as they don't hurt birds but inspire them https://simonvh2l2.ltfblog.com/30318981/detailed-notes-on-how-to-install-a-pigeon-repellent-in-qassim