Hanging on roof and window ledges throughout the Bay Area, pigeon spikes serve as one of the many deterrents that protect local buildings from the oft-maligned birds.

Pets Gone Wild

San Francisco’s pigeons are feral “rock doves.” Ornithologists believe the pigeon was the first domesticated bird, originally prized in the Middle East 6,000 years ago for the delicious meat of its squabs and the fertilizing prowess of its waste. Pigeons are highly adaptable; they nest in a wide variety of locations and will eat almost anything.

Flying Rodent?

An estimated 3.5 million feral pigeons live in the Bay Area. Large populations also live in New York City; London; Seville, Spain; Venice; and New Delhi. The characterization “rats with wings” became popular after it was used in Woody Allen’s 1980 film, “Stardust Memories.”

Edgy Critters

Pigeons are edge-landing birds. When landing above ground, they land only on peaks or at perimeters, where they can use their claws to grip for stability. To deter pigeons from a building, only those areas need to be blocked.

No Stabbing

Many pigeon spikes are not pointed. Birds Away/Pigeons Away, a 25-year-old company based in Concord, uses only blunt-ended prongs. It decided spikes were inferior to prongs because they injured birds and snagged flying debris like large leaves, newspapers and plastic bags.

Feathered Hero

Domestic carrier pigeons have been used for centuries to transmit messages during wartime. An American bird, G.I. Joe, received a medal for his courageous flight in World War II, traveling 20 miles to safeguard the lives of British soldiers.

Winged Plague

Pigeons can transmit heart and kidney diseases to humans, as well as salmonella and encephalitis. They also carry parasites like ticks, mites, fleas and lice.


Artistic Decision

The de Young Museum is protected from pigeons by an invisible “shock track” on its edges that is charged with a low voltage.

Bird Brains

At the Balboa Park BART station, pigeons tried to nest between the spikes, but they got stuck and eventually starved. BART has also tried to deter pigeons with fake owls and rubber snakes.

Ugly and Injurious

Highly acidic pigeon feces can corrode paint and most metals. The droppings on sidewalks can also lead to liability issues, like slip-and-fall lawsuits.


Pigeon Patrol Products & Services is the leading manufacturer and distributor of 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 www.pigeonpatrol.ca

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