|10 in a flock, plus an outlier|
The photo was taken at about 8:40pm BST, as it was getting dark. So the shot has been brightened, to make it light enough to see the ducklings, which is why it is a bit grainy.
There's a slight pinkish tinge to the water.
That's because the sky above looked like this:
|click to give that full screen effect|