Well, BOTH of my coturnix chicks died through the night. The one never made it completely out of the egg, the other was out and acting fine, then this morning, dead. I had even showed the lively one to a friend who was over, and that was like 3am (yeah, yeah, I know, we all have weird hours), and then around 7:30, it was dead. I never took it out of the bator either.
