Christina and Chauncey
Thanks for commenting and I'll cover the similar tech aspects together (to save my typing)
On my next attempt I will try and push the speed up but am also very aware that my D300 is not the best for noise and even with this shot as I would describe as very well exposed at ISO200 I came across noise on the bird when very slightly raising the shadows. As exposed (no clipping) histogram way to the right the background was basically white so I reduced the exposure slider in ACR 0.2 and then raised the shadows minimally.
I'll need to do some more experimentation.
As for any blur in this image (apart from the left wing tip) the appearance may be due to the lens for which I had to remove significant CA (purple fringing) and this old Tamron at its max is not going to be good. Hopefully I may be able to get it stopped down a bit to help.