She has a white head.
This doesn't seem to have been much of a detriment to her, however. When I was able to snap these photos, she was there plucking seeds and feeding them to her baby.
Once I noticed she seemed to intend to stick around for a bit, I finally had an opportunity to go grab my camera. She somehow almost seemed to KNOW she was being photographed because as soon as I got back and stood behind the glass door trying to get a good shot, she very helpfully decided to hop nearer, then up onto the railing. She was a LOVELY little model for me. ;3
(Also, tinypic is being weird with me lately and not letting me see half the images I embed even though I can see them fine when I paste the direct links into a new tab. So here are the direct links in case it's doing that to other people too: