Female house finch?
Concussions are common in window strikes. The bird either shakes it off and flies away, or not. A few hours later, the bird either succumbs to cranial swelling, or not. Not much we can do for them but keep them safe until they can fend for themselves.
Here's a site about preventing window collisions: http://www.flap.org/residential.php
milliHelen: amount of beauty required to launch one ship.