Disregard my previous comment about the background.
Hah! You should have held out just a bit longer...I was getting ready to comment and agree with you. I try to keep the post processing to a minimum, but on this one might try to select out the heron and lighten the background a bit.
I see these guys many, many times in the course of the year. They always look so weird on the ground, yet at the same time, so gracefully impressive when airborne Beautifully done