So they are coming. Follow the map and get your feeders out as they approach your area. The map is a self-reporting one, so if you are the first in your area to see a Ruby-throated Hummingbird, you can click on the map and report the sighting. Now that's something to brag to the neighbors about!
You can find the map here
And before too long, this is what you will see as your reward. I can't wait!
Oh, don't you just love spring?