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Rooftop Goose Control in Vaughan

You'd expect Canada geese to invade our beaches and parks (and they do!) but you rarely look up to discover geese nesting on rooftops. You're not alone. We don't usually think of geese up high, but it actually makes sense, particularly, in Vaughan's industrial areas with lots of flat roofs. Let's explore this often overlooked issue of bird control for industrial, commercial, and residential flat roofs all across the GTA.

Why Rooftops Attract Canada Geese

Most people associate geese with grassy parks and ponds, but rooftops—especially flat, open commercial roofs—are ideal for geese.
Key factors that make Vaughan rooftops appealing:
- Height offers protection from ground predators;
- On cooler days, HVAC vents and reflective surfaces offer some added warmth;
- Rainwater often pools on flat roofs and affords a quick drink;
- There is little to no human traffic or interference;
Many of Vaughan’s industrial buildings, malls, and offices offer the perfect combination of space and security for geese.

Hidden Risks of Rooftop Goose Roosting

Accumulated droppings pose a health hazard, such as slip and fall accidents and/or the introduction of pathogens;
Ventilation systems can become contaminated and threaten the health of building occupants, particularly those with compromised immune systems or respiratory issues;
Geese droppings also cause corrosion and damage to the roof itself;
Clogged drains from droppings, feathers, and nesting materials can lead to water pooling and potential flooding that leads to costly roof damage;
Spring nesting and overprotective nesting pairs cause delays to roofing work, HVAC servicing, or solar panel maintenance;
Legal complications due to Canada geese being protected by the Migratory Birds Convention Act;
Improper geese removal methods in Vaughan can lead to fines or lawsuits.

Common Rooftop Goose Deterrents to Avoid

Audio deterrents, visual decoys (like fake owls or predator balloons), sprinklers, and motion sensors are largely ineffective;
Geese are intelligent and highly adaptable; they quickly learn to ignore these devices;
Egg oiling or addling also doesn’t provide immediate results:
- Geese continue to sit on unviable eggs and will be around all summer;
- It may take years for them to abandon the site in spite of no eggs hatching;