Our Buff Orpington has been having the same problem. See pictures. I was just about to post a new thread when I saw yours and thought, "Hey, that's what's happening to Rosie too!"
Normal Rosie
Rosie since last week :o
Hello All!
We've been following BYC since we got our first chickens last Sprig but just signed up for an account this week. We look forward to learning more about raising chickens and urban farming! Introducing...Princess Lay-a, Esther, Rosie, Ju-Ju B and Bunny.
Cheers!