Jungle Fowl repressent multiple species with some having subspecies in their on right, Red Jungle fowl is repressented by multiple subspecies. Domestic chickens represent a hybrid between at least the Red Jungle Fowl and Grey Jungle fowl where selection on that hybrid has restored fertility. Some of the domestic chickens of southeastern Asia likely have inputs from a third Jungle Fowl species. Domestic chickens are entirely derived from jungle fowl and blur the line of what a species actually is.
Better to specify jungle fowl species when comparing them to domestic chickens. Also need to consider breed of chicken and possibly even strain.
Better to specify jungle fowl species when comparing them to domestic chickens. Also need to consider breed of chicken and possibly even strain.