I've seen a system of red blinking lights advertised as a supposed predator deterrent. It claims predators percive the light flashes as 'eyes' and is deterred. The system I saw seems to use red lights. But I'm wondering, would something like a string of blinking Christmass lights around areas like chicken coops act to deter predators? Either just red light, or white lights, or even several colors--white, red, yellow...similar to the colors of the flash of an animal's eyes at night when light hits them, work? Has anyone tried something like this?