Ducks, 5 days late hatching, help

[mathairlauren]

I have Pekin/blue swedish ducks. They are five days late today. There is movement, but no peeping or piping that I can see. I tried to help one along at 2 days late, but it did make it. The yolk was still mostly there and it bled. I was determined to leave the other alone, however now at five days late the air cell is developing a yellow half. Is this normal? What should I do at this point?

 

[mathairlauren]

Any suggestions? I don't know how long I should wait until I step in.

 

[mathairlauren]

removed the air cell, spritzed some water. Still moving but no internal pips