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When woodpeckers start banging on your walls or roof, they are probably looking for insects to eat, storing nuts for winter, drilling a hole to make a nest, or communicating with other birds to establish territory or find a mate.

The size of the hole can help determine the reason for the pecking. Small irregular holes are a result of insect hunts. Acorn holes are more consistently sized and often fitted with a nut in the middle. Nest holes are large and have rounded edges. If the bird is pecking to mark its territory or attract a mate, it may leave dents rather than holes, and the noise will stop when the mating season starts in spring.

Using audio and visual methods to discourage birds might work initially, but birds tend to acclimate to them over time. While chemical deterrents can show some effectiveness, their results can be inconsistent. Some may dissipate too quickly, and there's a risk they might cause unintended damage to your surroundings. Additionally, birds might become immune or resistant to the impact of such treatments.

If you’re heading outdoors, wear long sleeves and pants to minimize skin exposure. You may also want to wear clothing and any additional gear, like backpacks or tents, treated with 0.5% permethrin. If you’re dealing with fleas at home, you may want to wear insect repellant and vacuum your bed, carpets, and upholstery frequently to minimize fleas.

You’ll find that phorid fly larvae breed in moist, decaying, organic matter. When trying to locate a breeding site, thoroughly inspect the following places in your home: drain pipes, trash cans, garbage disposal, pet waste, rotting produce, plants, compost bins, and even under appliances like the stove and refrigerator where moist food may have dropped. It’s also possible for a breeding site to form inside of a wall, crawl space, or under your home’s foundation.