Not sure which chicken laid it as it was gathered a couple of weeks ago. I cracked open an egg last night that contained normal looking white, a normal yolk except for a dark meat spot(?) and this pink thing. The pink sphere was squishy and when I cut it open seemed to contain egg white and a tiny pale yolk with another dark spot. Is this just a shell-less egg within an egg but with a pink membrane? Unfortunately I didn't think to get a picture of everything together.