The Starling Resistant Entrance Hole (SREH) is a tried and proven method for helping to eliminate the pesky Starlings. Entrance holes are cut to an exact height restricting starling entry but allowing safe entry for the purple martin.
This Cedar Martin Motel is Made of 3/4 thick lumber and Masonite room dividers and floors. Room Dividers and floors lift out for easy cleaning. Includes mounting plate. Ventilated for bird comfort. Specially designed entrance holes discourage starlings from invading your PM house. Constructed with aluminum, which is best suited for the purple martin. It is cooler than plastic with improved ventilation.