It is possible that those had been overlooked because my children collect the eggs. butI would think they would have to have been in the coop for a long time and a hen would have had to be sitting on it for it to develop that far, right? Otherwise how would leaving the egg in the coop be any...
Today I washed up a couple eggs to cook for lunch. They had just been gathered a couple days ago and had been at room temp on my table. I cracked the 1st and the yolk poured out, there was some blood and what looked like a tiny gray embryo. I was saddened to think that I had cracked an egg...