Few Urban birds can affect the health of human by spreading the bacteria that are present in their nests and poops. As the poops or shits are acidic and the disease related to them are Ornithosis, Alveolitis, and Salmonella etc. It is important to control the birds as the dropping of birds spread various disease. Many people like to listen song of birds and they love to feed them also but they are not aware of risk from them. They damage our buildings as they lives in nest and to make their nest they create a holes in roofs, vents and their poops make the drive or sidewalk slippery.