How pigeon excrement and nesting is dangerous for us?
Pigeon excrement (droppings) and nesting material, such as feathers, sticks, or straws, are not only ugly but also pose serious health dangers to both individuals and buildings. Damage and deterioration of structures and infrastructure are common, especially because roofs, balconies, empty buildings, and beams all provide flat surfaces for birds to perch and establish nests. Pigeons can inflict significant infrastructure damage in two ways. The first happens when a build-up of their excrement causes materials used in construction work to degrade and soften because of their high acidity level. Not only may this be exceedingly harmful to the stability, because the problem is sometimes not noticed until the damage has progressed; in some situations, the affected area has been seriously damaged to the point of being irreparable. Historic buildings made of either sandstone or limestone are extremely sensitive to softer stone surfaces. Nowadays Pigeon Control System has become