I believe I stated that what I posted was my opinion. Although I'm unsure how my observations as they relate to my musings equates to opinion without proof of anything. I'm using my personal experience and anecdotal evidence from others who have kept them as well as text from various sources...
My opinion is that through domestication, humans rather than natural selection have exerted certain pressures on the birds we keep. For instance, many years ago I had a breeding flock of Rhode Island Reds. One of the young pullets went broody and I allowed her to incubate her eggs. She...