Very nice Photo, I like the faint colors... very fairytale like.
Heres a couple I took this morning...
ExposureTime - 1/1250 seconds
FNumber - 5.60
ISOSpeedRatings - 400
I feel like there are only a couple things you could do to make this a stronger image. The first would have been to get the right wing in focus - difficult at best, but clearly would have strengthened the shot. The second is the crop. I think the negative space serves no overwhelming value in the shot and perhaps making the branch from bottom left corner to top right corner would have made the composition a little tighter and stronger.
I love the lighting effect and I think it's one of the better chosen subjects of the challenge. You have just enough in the background for it to not be plain white and boring, but not distracting.