Black & White and Blue All Over

I find the fast-moving, acrobatic flight of gulls and terns, against a blue sky, to be high on my list of photographic challenges.  But these feathered ones make me smile behind the camera.

Please click-on the photos for full screen viewing of these Laughing Gulls, viewed from the Texas City Dike:

A very rainy day; I envy the waterfowl.