Original sentence: Phoenix are noted for tail growth on the cocks(males) that has been known to exceed twenty feet in length
Edited sentence: Phoenix are noted for extreme tail growth on the cocks(males) and has been known to exceed twenty feet in length.Phoenix male chickens do not molt their sickle feathers while female Phoenix moult normally.Recently the Black Breasted Red variety has also been included.The Phoenix breed was accepted into the American Poultry Association Standard of Perfection in 1974 with the Gold and Silver varieties