I don't have easy access to an outlet from the henhouse, but saw some cool looking solar powered mason jar "night lights" online. You set them out in the sun all day (I live in Florida, so sunshine is plentiful), then they automatically come on when it gets dark. Only thing is, they glow in pink, blue or orange. Would that be an option or does anyone have a better idea? Do I start giving them extra light when we have less than 12 hours of daylight per day?