Carolyn

Wonderful photo! The above response is excellent for anyone wanting to learn more about birds. As a newbie birder I find Merlin Bird ID and iBird Pro -- both smart phone apps -- to be very helpful in making an initial identification.  Both show multiple photos including male, female, and juvenile -- along with other pertinent info. It can also be helpful to google "eagle pics" or "juvenile eagle photos" or whatever bird it is you're looking for.  Looking at multiple photos can shows variations of what the bird looks like in varying activities -- e.g.  perching, soaring, foraging, etc and  can be very helpful for current and future ID. When I am stumped by a bird (although I have a suspicion about what it might be) I check photos, drawings, or written descriptions of what the juvenile version looks like. I have also found studying the silhouettes of birds in flight or perching to be a helpful guide in making an identification.  You are not always lucky enough to take such a detailed photo as the one posted above.