Like the composition as a portrait, definition in the feathers, exposure right on, and lovely smooth bg. I wondered about getting the bird to pop a bit more by increasing the contrast and increasing the sharpness some. But that may not be the effect you are looking for?
Cheers
Gail
Striking image, agree with Randy that maybe a little more canvas on the right would work. Also agree the image could benefit from some NR, personal taste though.
Mark....excellent portrait and I liked the composition. noise is a little surprising at iso 250. Did you lighten it in post-processing? If you were close to the bird and the BG far, then a smaller aperture would have been better....both for depth-of-field and sharpness. with iso 250 and 1/1000, you had the headroom.