There's quite a bit of feathers around the coop. Her feathers are emerging as well.
I live in the South of the U.S. it' 76° right now, and she's just about 2 years old.
Thank you both very much for responding.
I thought my hen was just going broody, but she's been breathing weird. Maybe it's hard for her to breath. She's been laying down all day, wherever she won't be bothered, and is laying in my coop right now, breathing through her mouth. I gave her water, but she didn't drink any, and yesterday...