I hatched two black orphintons eggs this afternoon. I am 100% postive these are PURE. I seperated the black orphington roo along with only two black orpington females sometime ago. I gathed and incubated only two, before offing the rooster. I still have the two girls. I watched this egg hatch. I thought it was odd while hatching because i saw lots of white. Now that it is dry, well... NO way anything else can get to this pen, its covered with a top.