They are adorable well done!
I agree with
@aart don't move the mum until all the eggs have hatched because I have known some chickens to just have a huge tantrum about the whole thing if you move them and reject the remaining eggs which would be a real shame!
Do you have a special setup for the ducklings so that they can go in the water and keep themselves clean but a dry bit for mum because getting wet can be fatal for silkies just because of the whey their feathers are.
Good luck and keep us updated!

