I live in the UK. I did supply them with a heat lamp but unfortunately I don't think that was enough with mum in there, as she had four other eggs which I think took priority for her.
I can't be sure the neck was broken, but it was much looser than the other one's neck. Unfortunately the other two ducklings passed the following night. I don't have experience with ducklings and suddenly found myself with four of them so I wasn't sure what the best course of action was. I left...
One of my female ducks hatched 4 ducklings in the early hours of Monday morning (2 days ago). I separated mum and ducklings from the rest of the flock, and I have put them inside with a heat lamp so they don't get too cold overnight. I keep them in there during the day too as I don't want to...