Ever found a beautiful bird dead outside your home? Chances are it smashed into your window and never recovered. For every dead bird you find, just imagine how many were snatched up by a cat or pulled into the brush by some other critter. Worldwide, window collisions kill close to a billion(!) birds every year. With spring migration currently underway in the northern hemisphere, now is as good as ever to make your home bird safe. The DIY experts at Stack Exchange tell you how. More »