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The suction cups provide for stable mounting. Simply install the house, close the curtains and periodically observe the nest building, egg laying and chick hatching from within your home.
This nest box is built with birds in mind; its dimensions accommodate most backyard birds and it is equipped with ventilation holes. The clear plastic panel of the back of the nest box allows you to easily observe the behavior and nesting habits of your backyard birds and it easily removes to clean out the box. This nest box is made from durable eastern white pine. The suction cup mounting style makes this nest box convenient to hang on almost any window. Handcrafted in the USA.Entrance Hole: 1.5" dia.Dimensions: 6" x 5" x 8.75"