By the odds of where I was, I would say this is a red-tail, but I am not sure.
Trying out the new 5D3 in the top photo, and the 1DIV in the bottom. 100-400 versus 400 5.6.
Unidentified Hawk by lennycarl08, on Flickr
[IMAGE'S LINK: http://www.flickr.com ...35175693@N07/10506692604/]
Hawkeyes by lennycarl08, on Flickr