We've Got The County Covered
There once were two tails, one on each of two chickens, but they are irrelevant. This is a tale of two chickens.
One chicken was big and one was small, analogously to great-grandfather and young teenager. They were not related to each other and lived on different farms.
However, both were brought up with the minimum of human intervention and interference by the owners.
Both were spared food full of things with scientific-sounding or unpronounceable names.
Both were allowed to live in spaces where the fences were many yards apart and where sunshine was abundant.
In due time, their happy existen...