Observer Window Bird FeederObserver Window Feeder The Observer Window Feeder's open design allows you and your family to view birds up close outside your window. Features include 3 strong suction cups for attachment to your window, a sloped cover which protects the food and wild birds from the elements, and drainage holes to keep water out of the dish. It has a capacity for 2 cups of seed, fruit, suet or mealworms. Comes with a Lifetime Warranty against squirrel damage and