Robin the egg will be clear or will have a blood ring. Or it will just not look like the others.
I know that was real helpful right! We use to question ourselves in the beginning & crack the eggs open before lock down to make sure we were seeing things correctly. DD & I have never yet found a chick when we didn't expect it. Usually if you think it is a dud it is.
ok, here is the photo- i keep thinking since it filled in something is going on- what do you guys think? i glued the crack at about day ten