Yes, thank you. The shaking and bobbing sound accurate. I think I had landed on maybe sour crop or at least something to do with her crop and so this confirms I am thinking in the right direction.
She does seem otherwise fine, eating and drinking and eliminating. I'll check in the morning to...
One of my chicks is doing this weird hula-hoop/figure 8 motion with her head. My first instinct is that she is adjusting her crop? She came home (from my son's classroom with some other chicks) today, and they all hit the feed like they had never seen food before. That's when I noticed the...