@oldhenlikesdogs do you have Silkies, what do you think?
Oh yes! Silkies are broody girls:)
To me I'm going to say she is acting a bit broody. Maybe not full blown yet, but her posture and the low clucking makes me think that.
In the photo she is bright eyed and oh so cute!
I would...
Can you post some photos of her?
Photos of her poop?
A video of her actions would be good too - upload to youtube or similar platform, then provide us a link.
I would look her over really well for lice and mites - look around the vent, under the wings and at her head since she is scratching...