How to Keep Those Pesky Birds Away From Your Salad Garden

According to science, these google eyes are the best way to keep those pesky birds away. Every single year, fisheries all over the world are duspilled by pesky sea birds. But here's the think i ras, and you can't exactly just put up a bunch of scarecrows in the middle of the ocean to keep the birds away. And i'm not following you here. All you've done is make my scarecrow look ridiculous. How is this supposed to keep my crop safe?