Krishna: Nice photo of a tough subject (black bird); always difficult to get the details to come out. Well done. Question: where is the sun angle? I don't see catch-lights in the eye, so I'm thinking maybe the sky was overcast at the time? And I know Warren wants to blur the BG a bit more, but for some reason I quite like it the way it is - a little different. I might play around with the large-ish green leaf and darker twig on the RHS to blur or clone them out because they seem so much larger and out of place vs. the rest of the backround, but that just little nits.
I've got a couple (red and black head) vulture pics that I might put up at some point; your bird is looking a lot "cleaner" than mine who were busy working on a meal when I took their photo ....
AP