Looks like Butters is having what's called a hard molt? This is from yesterday. Her chest on either side of the middle has bare patches not really covered when she raises her head. Under her back cover feathers is bare, and the wrists of her wings are bare when she shows them. She shakes and ruffles and preens; numerous fluff and cover feathers just explode out.
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She isn't eating pellets or mash balls now, or the wonderful sardines and rice mix that Hazel ate and Popcorn covered her beak in, but she eats some scratch & corn and mealworms, which Hazel didn't like. Going to see about worms and eggs. I suspect whatever she was eating before she's off just because it was before!
Temperatures we're dropping yesterday with wind, low 40's F, and I winterized the under-coop area and coop run so there's a totally wind-free area, and added wind-breaks to the big run. She and Hazel roosted very early yesterday. Temps got to 39F (3.9 Celsius) last night.