I think the article is very well done. There are detailed instructions, detailed specifications, and lots and lots of well explained photos. That's why I rate this as a full 5-star article.
The concept of mixing the rabbit and chickens I'm not so sure about. For space, as long as the lower area is ALWAYS open and available my math says you'd have 32 square feet, with is acceptable for a coop to hold 8 chickens. As you say, the run space is not included in this.
The concept of mixing the rabbit and chickens I'm not so sure about. For space, as long as the lower area is ALWAYS open and available my math says you'd have 32 square feet, with is acceptable for a coop to hold 8 chickens. As you say, the run space is not included in this.