I'll agree with the id's so far...the red-tail does at first apear (in my eyes) to be a red-shouldered, becuase of the windows on the edges of the wings. Although that is there, I have seen a fair share of red-tailed which I have taken a double take on who have that on their wings. It also seems as the the missing primaries make that space look larger then it really is. on the breast you can almost see a little black speckleing on the breast, where a rough-legged might show that lower (its also a little late for them). Even though it is hard to tell, I think this looks larger and bulkier then a red-shouldered. Last, I beleive that a Red-tailed would be far more common in your area Gthang, yet in a marshy place a Red-shouldered could show up.
Simon-
I agree with you on some acounts....but everyone starts somewhere, and in my opinion I wont tick of a bird unless I am completly sure of what it is, I have even erased past checks in my life list that I wasn't completly sure about. If Gthang wants to be sure about all his sightings, then just ignore the thread. But its seems to me Gthang, that you would get used to the female house sparrows, becuase they are right at your feeder! I also really dont like to go by the field guides, I dont think that there could be a field guide that shows every single way that a bird could look, that would take up a whole darn room! For example: the waterthrushes-if you look in a field guide. you might notice that the Northern is yellowish and the Louisiana is mostly white. even though it shows that, you must be careful because many Northern Waterthrushes are very pale as well.
Last Gthang, compare your pictures sometimes, by doing that you may not have to post pictures of birds that you have had idenifyed before. Also, dont always go with what someone else says, they arn't always right, even if they are a "big-shot."
Taco