Juvenile Coopers Hawk

[coastalconn]

Judging by your description, I would say probable sharpie. To be sure join this group Flickr: Bird Identification Help Group and post it there with your size description. There are some real experts there and you should have an answer very quick. Great looking raptor. Was he ok after hitting the window?

 

[shefjr]

Thanks for the group link I will join it for sure.
He was stunned like a mo fo! I was able to grab a few shots obviously from inside and then I attempted a stealth move to the outside but, just as I turned the corner he spotted me and took to flight. I have spotted him outside since this incidence but he is skittish and I'm not sneaky enough yet to be unseen by his eyes.