Droll Yankees Finch Flocker w/ Dome Cage (THDC23Y) is an exceptional Nyjer feeder with 11-inch cage that has 1-1/2” openings so finches, chickadees and other songbirds can go in easily but will prevent squirrels or larger birds from coming in. The tube is made from UV stabilized polycarbonate to guarantee that it will last for years and it has a clear dome to protect the seeds from getting wet. This feeder has 8 feeding stations and perches with 2-pound seed capacity to accommodate multiple birds at a time.