The perky pet squirrel be gone wild bird feeder features a weight activated perch bar that closes to prevent squirrels from accessing the seed supply adjustable springs can be calibrated to accommodate different bird sizes and keep away nuisance birds as well as squirrels the perky pet squirrel be gone feeder comes in a classic country style design with all metal construction and a removable roof peak for easy filling if there are any bird enthusiasts or wildlife admirers in your life this