First, let me say that, unless you are up on the roof actually shoveling pigeon droppings, your risk of catching a disease from them is slim. Pigeons definitely can transmit diseases through their droppings, but that usually only happens in specific and rather uncommon situations involving large accumulations of droppings.


The pigeon-transmitted disease to be most concerned about is histoplasmosis, a fungal disease that affects the human respiratory tract and in rare cases, can be fatal. Histoplasmosis is spread to people when they breathe in fungal spores from pigeon droppings that have been disturbed, usually during cleaning or construction activities. The actual incidence of histoplasmosis is hard to determine since most people with the disease have flu-like symptoms or no symptoms at all.

Histoplasmosis spores grow on piles of bird or bat droppings that have been accumulating for years. Lesser amounts of droppings on exposed surfaces that are cleaned up periodically pose little risk. Certain workers like chimney cleaners, bridge inspectors, building renovators, and even pest control technicians are at some risk when working around accumulated pigeon droppings. These workers should always use precautions and wear respirators when working in roost sites.


This doesn’t mean that having pigeons roosting on your building is a good thing. If your manager isn’t concerned about the disease risk associated with pigeons, he might need to be informed about the other risks associated with pigeon droppings. Droppings are unsightly and odorous, they deteriorate surfaces like roofs and concrete increasing maintenance costs, they kill vegetation below, they pit the paint on cars below, and they can be slippery for pedestrians, which means a liability risk for the property.

There are lots of ways to keep pigeons off of and away from buildings. Have your manager give Colonial Pest a call for a complete inspection and evaluation.


Pigeon Patrol Products & Services is the leading manufacturer and distributor or bird deterrent (control) products in Canada. Pigeon Patrol products have solved pest bird problems in industrial, commercial, and residential settings since 2000, by using safe and humane bird 

deterrents with only bird and animal friendly solutions. At Pigeon Patrol, we manufacture and offer a variety of bird deterrents, ranging from Ultra-flex Bird Spikes with UV protection, Bird Netting, 4-S Bird Gel and the best Ultrasonic and audible sound devices on the market today.

Voted Best Canadian wholesaler for Bird Deterrent products ten years in a row. 

Contact us at 1 877-4-NO-BIRD,(604) 585-9279 or visit our website at

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