This nest box is specially made for the Wren and will mainly be used as a shelter and wintering place. Because despite the name suggests, the Wren is not well resistant to cold winters.
The Wren often hangs out in city parks, the greener parts of the city. They are clearly – noisy – often present low above or on the ground. Do you want to know how and where best to hang nest boxes? Check out this wiki. More general information about nest boxes can be found on the website of Vogelbescherming Nederland.