I believe this is a Great Horned Owl, however I am not 100percent sure (I'm going by Google images lol). I'm sure someone will correct me if I'm wrong! Download for fullsize.
Free to use as you wish.
I only ask that you credit/linkback if used, and also I'd love to see what you come up with. I realise that a lot of my stock images are portrait/headshots, and that those may not be so useful for photomanipulation purposes. I don't take my photos with stock use in mind, and I happen to like portraits and close-ups. I hope they may still be useful - perhaps more so for artists as reference.