The answer to the mystery photo is that it is the top piece for the chicken nests. It’s there so the chickens don’t sit on the top of the nest and go inside instead.
And for those you guessed this correct – you are awesome!
This was the picture
And this is the whole picture
And to finish this story – these are the chickens who live in this side of the coop. They’ve come a long way in a couple months don’t you think?