Because of this, the North American Bluebird Society suggests mounting bluebird houses “50-200 feet away from brushy and heavily-wooded areas” to avoid attracting house wrens. So, what kind of habitat is attractive to wrens? House wrens love wooded areas, especially ones that have brushy spaces on the ground where they can seek cover. The best way to discourage house wrens from using your bluebird houses is to mount them away from a wren’s natural habitat. Mount Bluebird Houses At Least 50 Feet Away From Heavily-wooded Areas Photo by F. Get one of these bird houses on Amazon here. Avoid using bluebird houses with larger entrance holes or slot entrancesīest Nest Box: My all-time favorite nest box for bluebirds is the Nature’s Way model CWH4.Use wren guards on active bluebird houses.Keep wrens busy by removing their “dummy nests”.Take down or modify any ornamental bird houses in your yard.Mount bluebird houses at least 50 feet away from heavily wooded areas.So here are five methods to discourage house wrens from using your bluebird houses: You might also be looking for ways to deal with a house wren problem. Because of this, even though house wrens are a native species to North America, many people actively discourage house wrens from using bluebird houses. House wrens are territorial, aggressive birds, and they often destroy bluebird eggs when the two species are nesting in close proximity.
However, that welcoming spirit that we show to native birds doesn’t always extent to house wrens. Tree swallows, chickadees, and nuthatches, for example, are all native birds that use bluebird nest boxes. Responsible bluebird enthusiasts are usually pretty welcoming to any native cavity-nesting bird that wants to use their bluebird house.
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