This feeder is designed specifically to feed the Bluebirds.  Mount on a pole or hang about 5 feet high in an open area with natural or man-made perching areas close by.  The sides are constructed of coated wire mesh with 1 1/2" openings, which allows easy access for the Bluebirds.  Offer mealworms and Bluebird food or pellets.  Hinged roof for easy access, filling and cleaning.  Measures 14 1/2L x 10W x 9H