The chicken is a domesticated fowl, a subspecies of the Red Junglefowl. As one of the most common and widespread domestic animals, and with a population of more than 24 billion in 2003, there are more chickens in the world than any other species of bird. Humans keep chickens primarily as a source of food, consuming both their meat and their eggs.
Specie identified by FraJH
The traditional poultry farming view of the domestication of the chicken is stated in ''Encyclopædia Britannica'' : "Humans first domesticated.. more