Hawk eyes (through a window)

I spotted a hawk in my backyard yesterday. They are notoriously difficult to capture live, so I decided to take a chance and take the photo through my dirty glass window and screen. After a LOT of cropping and Lightroom touch ups, here's how it came out -- not too bad! By the way, I did try to open the window and take the picture, and of course, the hawk quickly flew away...