Really nice Harold. You got the full range out of the blacks. I am going to be picky because it is such a good picture and just clone out some of the bits in the water. Think you should quit your day job:)
Nicely done Harold. Skimmers can be tough, but you've done well here. One thing I tend to do when photographing Skimmers is to overexpose by 1/3 to get a little more detail in the blacks, and then bring down the whites in post-processing. The same goes for other black and white birds like Black-Necked Stilts.