Full frame (no cropping), slight curves, and a (too) subtle USM. Probably could have sharpened a bit more.
Exposure: 1/640th, f/4, ISO 800, AWB
Equipment: Canon 1D Mark IV, Canon 400 f/2.8 IS Mk I + 1.4x TC Mk I
Date: 12 Apr 2014 @ approx 8:30 AM
Location: Venice Rookery, Venice, FL
Beautiful image John. Very nice BG, his stare and heron pops up nicely. You could have another round of sharpening and would like to see it in 1200pix size.