We used the same method as when Buffy joined the hens; putting the newbies in the dog kennel inside the coop allowed everyone to look and smell and talk without any altercations.
Ruby Dee politely inquires, "What the heck?"
Sweet Pea takes a good long look at the interlopers.
It only took a day and a half before the two new girls had tipped over the water in their enclosure about every 10 minutes and the kennel turned into a lake, so out they came.
Yes, there was a bit of posturing (there still is), but the transition was reasonably smooth.
Dottie discovers there are treats in the doorway
and Jo tries to figure out how those chickens got on top of the straw and hay.
Aha! Jo clambered up onto the mountain.
What an accomplishment.
Dottie explores a nesting box
And during all this drama, the donkeys are oblivious to anything but their vittles.