I can imagine, but be reassured you did the right thing.
Some inexperienced duck mamas lose their first clutches because they are inexperienced or because the odds were stacked against them in the big bad world. We can only do our best to help when we see ducks in danger and hope for the best
@Ezero you did entirely right to try and help this duck mama and her little ones. From what you describe, they were doomed if they stayed where they were.
You don't say what sort of duck the Mama was, but that she could fly is indicative she was wild. While she will be distressed that she...