My 3 ducks are sitting on their own eggs. It's day 27. We're not sure how many, if any will hatch. I've candled some on the odd occasion all ducks have give for a swim together and I've definitely seen some that look good, but of course I know that doesn't mean it will all turn out rosy! Anyway, this morning, I saw this. Is this a pip? Or something else, or nothing at all!