After we stopped hand-raising chicks, mostly because of all the disruption it causes in the house (dogs, cats, furniture ...that red light ) we noticed the same thing. Chicks that are far less friendly.
Now we make sure that the chicks see us feeding them, even by hand at times. But we didn't...
Our hens sun themselves as a group. Always as a group. Vitamin D and mite control are physiological explanations for this behavior. I personally believe there is a social component to it as well.
BogtownChick - Good, successful thread you started. Last we chatted, I had Buff Orps and Barred Rocks. Added Buff Silkies, Easter Eggers (which you get when you order Ameraucanas...around here anyway) a Maran, Black Australorps. No complaints about any of them. Two new coops added. Bigger...
Congrats on Junior's proud stand. Always nice to hear about local boys doing good! We could use a stalwart roo like Junior ourselves. We live in the migratory path near Hawk's Ridge (aptly named) at the Western tip of Lake Superior. Migration season starts shortly.
Watch the skies!:/
:/
Text added in edit: These are our 24 week old Buff Silkie roosters, Mr. T and Dr. Zaius. Photos taken by my daughter, 13, with her mother's Samsung Galaxy S5. Not kidding.