Enjoy having your favorite birds right outside your window with the Perky-Pet® window bird feeder. Attach it directly to your window for easier bird watching from the excellent seat in your house. The large entrance and strong suction cups will accommodate even large birds like cardinals. This feeder features a removable tray, capable of holding up to 0.5 lb of seed, making it easy to fill and clean without detaching from the window. One thing's for sure, this feeder promises intriguing sightings throughout the day.