Quote Originally Posted by paulnj
It's a cooper's hawk .

Where in the US do you live might I ask. I am just curious because I help study raptor migration through NJ.
Thanks for the ID. I live in a rural, natural-wooded area west of Milwaukee, WI.

What was giving me trouble was the white spots on the back of the wing feathers and the warm brown color. I was thinking it might have been an immature Red-Tail as we have lots of them around our area all summer.