Boyd, you or belle may have an idea on this one, I pretty clearly see organs, but i've not butchered enough hens to say 100% (now testecles in a bird I can find everytime, as i've bothcered so many roos).
https://www.backyardchickens.com/forum/viewtopic.php?id=540133
https://www.backyardchickens.com/forum/viewtopic.php?id=540133