Other than being unsightly, Pigeon excrement (droppings) and also their nesting material, such as feathers, sticks, or straws, pose some severe risks to both individual and architectural health. Damage and deterioration of buildings and infrastructure are typical, especially since roofs, balconies, empty buildings, and beams all provide the flat surfaces, which are ideal perching and nest building spots for the birds. There are two primary ways by which pigeons can cause some