Feed the bluebirds and keep other birds away with this unique feeder. The feeder features multiple entrance holes for easy access and escape from predators. Two holes in the poly lumber and two holes in the plexy on each side for easy access & escape from predators - Holes are sized for bluebirds-1.5" diameter. Feeder can be mounted on a pole or hung (pole kit or hanging cable sold separately).Indentation in the bottom for mealworms(cup for mealworms sold separately).