Well, went to my town council work meeting tonight and went out to check on things when I got home. Everyone was all settled in for the night so I just entered the coop and then stood stock still. The girls on the roost made a little noise but since I had no light and was being totally still they settled back down almost immediately. Then I just stood there in the total silence and waited. Agatha made this soft little chucking sound and then - and then - there was a faint little "peep" in response. I didn't dare breathe. Was I imagining more sounds because I wanted to hear something so badly? Nope, the little "peep" came again. Just one and very, very faint, but maybe by morning there'll be at least one chick. I'm so excited and hopeful right now.