Bird Feeder For Window With Removable Tray & Durable Acrylic Clear Window Feeder For Unlimited Wild Birds - Great For Attracting Small And Large Birds - Virtually Squirrel Proof by Simplicity Designs EASY. Sliding removable tray makes the window feeder effortless to clean and install while giving bird watchers the perfectly clear panoramic view. SAFE. Installing a bird feeder prevents window strikes! Ornithologists estimate that millions of birds are killed each year by hitting windows. You can PREVENT WINDOW STRIKES simply by breaking up the reflections that birds perceive as a pathway through your home. HEAVY DUTY. Easy to clean thick acrylic and extra strong suction cups will make installation and cleaning your feeder simple. Sturdy suction cups keep the feeder securely in place. Virtually squirrel proof feeder better than Perky-Pet, Pennington, Brome, Droll, Garden Treasures and Heritage Farms. INTELLIGENT DESIGN. The clear roof is angled for water runoff and provides the birds with visibility of potential predators. Easy monitoring of seed levels. Use country mix, black oil sunflower seed, thistle, peanuts or other bird seed to attract a variety of birds including cardinals, finches, chickadee, titmouse and nuthatch to name a few! ENTERTAINING. Let everyone from kids to grandparents and the house cat watch birds feeding and playing upclose! Enjoy learning more about your local wild birds together! Great for the house, kitchen, nursing home or sliding glass door!