I don't know where you are located or how much land you have, a well placed live trap with pb and j will catch most. If you are in a rural area with tons of wooded acreage or adjacent to national forest, you could utilize a coon hunters service. They would at least take the coon off your hands...
I bought some just like that, labeled as ameracauna, all these experts will tell you they are Easter eggers, which they probably are. In reality it's probably somewhere in between. They are good chickens, flighty and late bloomers.
If you have a live trap, set you one with one of those dead chickens in it, may not catch anything but it couldn't hurt. never hurts to invest in a trail cam near a coop either.
I'd stay away from the feather fixer and check the feed good along with the containers.
I'm sure you will keep a...
Wasn't any old cleaner or anything of that sort in food/water buckets? If you pull one off the roost and handle it a little does it seem ok? No thermometer that Could have busted?
I'll see if I can get a better photo, but no comb at all Came from cackle hatchery and have seen photos of Easter egger roosters from there with exact same coloring and a really close comb.