Also flowerpots, buckets turned on their sides, they LOVE my compost bins when I forget to put the top back on...piles of brush (I'm SURE after Irene there's something nearby!) Even check under the car...
Look under all the bushes. She may be sitting on eggs somewhere. I've had this happen lots of times. If you have a feeder in one spot out in the open, keep an eye on it. Birds that I thought were missing suddenly reappear days later, running to get a quick lunch. then I follow them back to...