Hi Nancy,
I appreciate your answer very much. Unfortunately the hummingbird did not make it. It looked a bit smaller than the average hummingbirds we get on our feeder (which is placed on the other side of our house, away from windows) so it might have been a young one as well. It had a little crack on it's beak, so it's chances of survival after recovery might have been low anyway. It is still very sad as it is a precious, wonderful creature.
Thanks again for your reply.
Sylvie