Too true! That hen puffs herself up to resemble a basketball, and emits a wider range (and volume) of noises than I've heard from other birds in the flock. But she was a good mum, calling the chicks under her skirts at first sign of trouble, and gently leading them away from potential trouble...
This may not be necessary. I've had 3 broodies hatch clutches in the coop with the rest of the flock, including 2 roos. No chick has been hurt by any of the other birds, irrespective of the status of the broody (one was top hen, another next to bottom). The subordinate roo (who was himself...