I had a similar imprint of a collared dove on my kitchen window for months. It only really showed when the sun was shining so I kept forgetting to clean the window!
Mark Rigby said
Tue Jul 12 11:30 AM, 2011
Tawny!
Stephen Fuentes said
Tue Jul 12 9:26 AM, 2011
Here's an amusing story from the BBC. Thankfully, it looks like the owl survived the ordeal. Any takers on the ID ? LEO ?
http://www.bbc.co.uk/news/uk-england-cumbria-14111152
Steve.