Tried to sketch at a hawk. used a few references... Hard to gauge the amount of detail you put in. You can't skimp on the big feathers, as far as I'm concerned... But you can't show all the little feathers; how many does a person really see? Do you see every blade in a field of grass?

Check out: http://www.furaffinity.net/journal/2723517/ . I won't keep them there for long to stay fair to other artists.