Tiny egg

[Jayzandra]

I found this tiny sandpaper egg on the floor in the middle of the coop. It's picture next to a regular egg that I think is from the barred rock. There is no yolk inside the tiny egg.

 

[Darklingstorm]

you got a Fart Egg or wind egg. Normal for first time layers or if there has been something that has stressed the hen out (like illness or attack).