Check the listing for details. Wild Wings Cedar Box Wren Wild Bird Backyard House With Adjustable Door, Brown. Condition: New. Listed at 16.62 USD. Wild Wings Cedar Box Wren Wild Bird Backyard House With Adjustable Door, Brown PRODUCT DESCRIPTION Provide a safe home for the small birds in your backyard! Key Product Features Air vents allow for maximum air ventilation through wall and floor openingsClean-out door provides easy access for cleaningThis house has a 1.125" opening to accommodate both house wrens and chickadees while keeping unwanted larger birds out, such as sparrowsWater-based protective stainDimensions: 8”H x 5”W x 8”DMade with insect and rot resistant premium cedar Wrens are fun and perky backyard birds, and while they readily use birdhouses, offering the right type of wren house can attract these birds more easily and encourage them to take up residence to raise their families. They are also tireless in their search for insects to eat. This feeding behavior benefits the backyard gardener by reducing harmful pests.