The Squirrel-Be-Gone Wild Bird Feeder features a weight activated blocking bar that closes to prevent squirrels from accessing the seed supply. Adjustable springs block different sizes of squirrels. This Squirrel-Be-Gone feeder come in a classic country style design with all metal construction and a removable roof peak for easy filling. This versatile feeder holds a whopping 12 lbs. of seed, and will attract a wide variety of birds including cardinals, chickadees, sparrows, finches, titmice, woodpeckers, and jays. This makes a great bird enthusiast gift!