It's been almost three weeks since we found our first egg. It was a few days before we found any more. When we did, we discovered that they had made a nest under the coop in the sheltered part of their yard and had been laying a couple of eggs each day!
Since then we've collected two eggs a day most days and have been enjoying our very own fresh eggs. It took a little convincing to get them to lay in the nesting boxes and not in nests of their own creation, but we're getting the hang of it.
It seems that only the Buff Orpintons are laying. We have two each of four breeds of chickens with four different (possibly five if the Easter Eggers vary) egg colors. Even if any of the other girls showed any interest in the nesting boxes, it is easy to tell whose eggs we find.
It is common for chickens to not lay, or not lay often during the shorter daylight months. It may well be that the other girls will wait until spring to bless us with their eggs. It's doing to be exciting to open up the nesting box to find a clutch of different colored eggs.
Another update: after cutting open the happiest rutabaga, I couldn't help but cut a slice and propped it up on my windowsill. After a couple weeks, he's still smiling! Although he's gained a few wrinkles with his advanced age.