duck eggs hatching

I’ve got a frizzle chicken that because of her past experience with chickens she is an honorary duck and has decided to hatch out three duck eggs. She has been very good at sitting on them everyday and today is supposedly hatch day. I candled them a week ago to make sure they were still alive...

Hello all! Please if you have any advice on assisting my duck eggs hatch. Number 16 has been working hard and chirping/ trying to get his beak out. I believe he is resting right now, but when do you try to help? Number 12 had a lot of movement yesterday and made a lot of progress through the...