and
these are in my bantam coop, and are about 1.5 feet wide and just over one foot deep, which is good and roomy for a bantam.
The bottom one is a box, the top one has the end and a little on the front open.
At one point in time communal nests were all the rage... even in big operations, so I am not sure if I believe that big nests cause more broken eggs...
Now, a true communal nest box is different than what I have... mine are just super wide nest boxes...
however, I think that logically a...
I like great big nest boxes, space for at least two hens per box, and then two separate nests.
If the two nest boxes are big and roomy, then that is plenty for about 8 chickens, maybe even more.
(I currently have a bunch of hens.... dunno how many, but maybe close to 20, and they have two...