These are all just beautiful. Well, I don't like as well, but I'd be hard pressed to choose from among the others. I think maybe is my favorite because I just love the sense of rushing and tumbling water below and behind.
I remember this! you were out of your comfort zone, getting motion blurred shots of the birds. But look at the interesting results--excellent! Did you ever go out & do this again, did you learn to enjoy it? I sure do like the results.