No, this is not a quiz. I need help identifying this bird. He rested briefly in one of our hanging baskets and I got only one photograph of him. At first glance I thought he was a Junco, but he was not as large as a Junco and the black bill rules that out as well.
My next thought was an American Redstart, but he was a little larger than a Redstart and had no yellow or orange.
I apologize for the poor quality of this shot, the only one I got. (You can click to enlarge.) I don't have a photo-editing program, so I can't bring out any specific qualities. The lower part of the head was more black, as were the areas under the wings. The back was less black...almost a dark blue.
If I rely solely on bird books, I would call this a Black-throated Blue Warbler. I've never actually seen one, and wasn't aware they would be found in Western North Carolina.
I would appreciate any help you may give in helping identify this bird for me. He was quite charming and I was delighted to see him. The photograph was taken three days ago, and there's been no further sighting.