How do you prevent birds from nesting on a house?


Quick Answer

Prevent birds from nesting on a house by looking for and blocking any holes in the structure. Birds can also be scared away from houses with visual or auditory devices.

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Full Answer

European Starlings and House Sparrows most commonly nest on American homes. They build in gutters, vents or holes in the buildings. Birds even nest in downspouts. Starlings can enter holes 1 1/4 inches in diameter or larger. Sparrows only need openings of 1 5/8 inches in diameter. Use materials such as bird netting, caulk, hardware cloth, screen wire or wood to block openings.

Noise and visual tactics can scare birds. Some electronic devices emit ultrasonic waves or suffering bird sounds. Fake owls, shiny pie pans, flashing lights, scarecrows and flags can be successful at turning birds away. While these methods help temporarily, birds soon become used to them. Use them consistently for a week, but if the birds remain, try another method.

If the bird nest is occupied, wait until the baby birds have hatched and the birds have left before removing the empty nest. Use a strong disinfectant to clean the spot and block the hole the birds used for access. Certain species are protected by law in some states so check with local officials before removing or killing live birds.

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