>>56118553primal groudon and zygarde complete are capable of turning into normal groudon and zygarde and vice versa. meanwhile, the galar birds can not become the kanto birds and the kanto birds can not become the galar birds. since they also have different types, abilities, based stats, and movepools, and you even get both the kanto birds and galar birds in the crown tundra on top of that, i'd say they should be counted as distinct entities for the sake of the list.
