Rudi, stunning shot. wing position, light, details...well done on all fronts. Can it go a tad brighter? If you have more room up and behind, it will be better.
Amazing image Rudi - many things to love about this shot, most of which are mentioned above. About the only thing I could suggest would be stopping down a bit more next time to get the wing tips in sharp focus (as I doubt you'll need 1/6400s to freeze the action)
Fantastic! Interestingly, this bird has very dark eyes, exactly the way I remember all the PK that I have seen. So there is probably no light brown-eyed mutation in South Africa after all.... Well done for not 'doctoring' the eye!
What a fantastic pose.. would do something with the bg, the right side 1/4 of the image shows signs of adding onto the canvas or something. Maybe run a Gaussian blur on it to help smooth out the line.