Attractive bird, sharp, glad to be able to see the eye detail, nice BG
I do think it is better without the twig in this case, wish for a little more room on the left.
Nice scale to the perch.
If time allowed, I would have cranked up the ISO a bit to get more flexibility for a small f/stop to improve DOF on that long tail.
I might crop a sliver from the top to move him higher in the frame.
Beautiful bird and a great BG. A little more DOF would have been nice, as Randy pointed out. I like the idea of lightening the eye a bit and adding some canvas on the left if possible.