Your two ducklings are so adorable! Congrats and good luck on the other two!hmm... for some reason I don't get alerts on this thread always and I'm 200 posts behindbut I have news!
This baby made it out yesterday afternoon, my first ever duckling! When I got home and looked under broody mama it was stuck in a bit of crushed shell and chirping lots and kicking its feet (only it's head was really in the shell). I peeled back just a bit of the crushed part and within moments it kicked free (while my husband reprimanded me and told me not to help it or touch it).
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There was a second egg with half a zip (you can see it by the duckling's head, though the egg was rolled a bit in this photo). This morning I woke up to this.
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Now we have 2! Either a black and a blue or a blue and splash. I didn't see any external pips on the remaining 3 eggs so I decided to candle (mama was not happy). I decided to ditch this egg. I had one with no movement at day 26, it definitely looks worse. Photos below.
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So we have 2 left. 1 had movement and looks pretty good, some veins and maybe even an internal pip (movement was near the air cell). I did not see movement in the second one, it had movement at day 26 and today is day 29. It does not look bad, so fingers crossed it's just "resting". I'm really hoping to see another pip when I get home. I'm getting a bit concerned.
Yaaaaay for duckies!! 
They're so sweet! Your broody is beautiful! So many pretty broodies this month! Makes me want even more chickens. 
