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Discouraging House Sparrows

How to Keep House Sparrows Away From Feeders and Birdhouses


Bluebird House

House sparrows will invade bluebird houses and kill adults and nestlings.

Roger H. Goun

Discouraging House Sparrows

Birders can take different actions to discourage house sparrows and make life easier for native birds. Just as it is necessary to pay attention to birds’ basic needs when attracting them, successfully discouraging house sparrows will take a concentrated effort to eliminate what attracts these invasive birds.


Eliminating favored food sources is one of the easiest ways to discourage house sparrows from visiting. Birders who do not want to see house sparrows at their feeders should remove cracked corn, wheat, oats, millet and bread scraps from their backyard buffet. Sunflower seed should also be either limited or restricted to small feeders that sway in the wind, which can spook house sparrows but will not always be effective. To continue feeding backyard birds without attracting house sparrows, birders should fill their feeders with Nyjer, safflower seeds, suet, nectar, fruit and nuts, none of which are preferred by these aggressive birds.

The types of feeders used can also make a difference. House sparrows prefer to feed on the ground or on large hopper or platform feeders; remove these feeder styles to discourage house sparrows from visiting. Instead, use clinging mesh feeders, socks or tube feeders with perches shorter than 5/8 of an inch to prevent house sparrows from perching easily. Clean up all spilled seed quickly to discourage ground feeding sparrows.


House sparrows easily visit birdbaths for drinking and bathing. To discourage these birds, remove birdbaths or add uneven rocks to the basin to break up bathing spots. Use misters, drippers, or small hanging bird drink stations with exterior perches instead of full birdbaths to provide water to other birds without attracting house sparrows. Furthermore, investigate gravel areas and open soil to eliminate the dry, dusty patches that house sparrows use for dust baths.


House sparrows are highly adaptable birds that can shelter in a wide range of locations. While it would not be prudent for backyard birders to remove all shelter from their yard – native birds would have no shelter then – it is possible to minimize the shelter for house sparrows. Keep garage doors and sheds closed to prevent birds from entering, and avoid putting out bird roost boxes that will encourage house sparrows to claim territories. Consider removing some brush piles, shrubbery or other natural shelter to reduce the amount of shelter available, or actively scare house sparrows away from sheltered spots in the evening so they will be forced to find less protected spots and may be more susceptible to nighttime predation. Installing mesh beneath a home’s eaves may also be effective in keeping house sparrows from roosting in those protected locations.

Nesting Sites

House sparrows aggressively compete with native birds for nesting sites, often injuring or killing other birds in the process. To prevent this behavior, avoid putting up birdhouses or nest boxes until April 1 – house sparrows typically begin choosing nesting sites as early as late February or early March, when other birds have not yet arrived in their breeding ranges. If a house sparrow has claimed a birdhouse, plug the entrance hole with crumpled paper or a rubber cork for several days until the bird moves on. Relocating boxes may also be effective, though it is just as likely that the house sparrows will discover the new locations as well. Birdhouses made from PVC pipe can be effective house sparrow deterrents, since they prefer wooden nest boxes. The birdhouse entrance holes should be smaller than 1.25 inches, though this may also exclude other native birds from using the birdhouse.

Once other birds have laid their first egg in a birdhouse, adding a “sparrow spooker” can be effective to protect the nesting birds and scare house sparrows away. A sparrow spooker is an arrangement of hanging Mylar strips that dangle above the roof of the birdhouse and discourage house sparrows from approaching, though other birds are not as easily deterred and will continue to use the house.

Aggressive Control Techniques

In extreme cases of house sparrow aggression or entrenched populations, it may be necessary to resort to stronger control techniques that actively reduce the house sparrow population. Options include shooting the birds, trapping the birds to kill them (relocation is not desirable because that simply moves the problem to another region) and destroying eggs or nests to prevent population growth. Before attempting these types of aggressive control techniques, however, it is wise to consult a wildlife management office – not not all tactics may be legal or suitable in certain areas.

House sparrows are highly adaptable, aggressive birds that can cause problems for a number of native bird species. Actively controlling house sparrow populations can help manage these problems and increase bird diversity in your backyard.

Photo – Bluebird House © Roger H. Goun

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