Ten or more songbirds can gather at once on this circular full view feeder. Great for cardinals. A huge 17 inch in diameter squirrel-proof dome acts as a baffle as well as protects the hopper and seed tray. It has a large capacity 1 1/2 gallon hopper. This feeder avoids waste and presents the food at a natural rate. It can be hung or pole mounted. It has a lifetime warranty.