Thank you, Mark and Saba, I am glad you like those ducks.
I have just noticed in the post now that the 2nd duck has a greenish cast on his flank/belly and under wings. That shot was done in a rather warm goldenhour light with much green in the environment. I usually try to make the duck plumage colour tone/WB appropriate by looking at the white tail feathers as well as the bill colour, but that one looks a bit off.