A rep for Charles Kelley was not immediately available for comment. Truth or rumor, when news that the singer was splitting hit the internet Sunday (October 18), Twitter immediately exploded with pithy commentary.
Best Answer: Blame it on the comet that struck earth. All animals larger then 10kg died of. Just leaving behind small mammals, small reptiles and tiny beaked flying dinosaurs (birds). All the cool giant dinosaurs died out and you just left with tiny birds which evolve to various bird species including the chicken.
After one year of age, the chicken is referred to as a hen or cock. In the commercial chicken industry a female chicken is called a hen after it begins egg production (around five months of age). A sexually mature male chicken (again, around five months of age) is referred to as a rooster.