Black duck eggs dead or alive ?!

[duckincubation]

I have 9 mallard eggs and 3 have turned blackish like this the picture( it's not my picture but that is how they look) please help they mean everything to me

 

[huntseat]

You might want to try the duck forum.

I personally would smell them, if they smell rotten better double bag them fast and remove them from the incubator.

You might also want to include breed info and the days of incubation...

 

[duckincubation]

They are mallard ducks on day 16