Dangers: Nesting materials from birds can cause a potential fire risk as they can block vents and drain pipes. Bird droppings can contain uric acid, which can cause structural damage to buildings and houses. The droppings can contaminate vents of buildings, municipal water sources, as well as food destined for human consumption causing outbreaks of gastroenteritis due to bacteria such as camplobacter and salmonella. Birds can also carry or transmit: histoplasmosis, ornithosis, and cryptococcosis (fungal and bacterial diseases acquired through inhalation of infected bird droppings), encephalitis, toxoplasmosis, and pseudo-tuberculosis (acquired through skin contact with infected animals, or consumption of contaminated food or water). Birds not only carry and transmit diseases they can also carry parasites like fleas, ticks, and mites. Bird and bird dropping removal can pose a huge risk to humans. It is extremely important that pest control specialists that understand the risks of diseases associated with birds and bird dropping removal remediate the problem.