because they have these differences in the eyes and the size of the crest, one with a dark shade of the crest and others with a normal shade?View attachment 2064329View attachment 2064330View attachment 2064331View attachment 2064332View attachment 2064333View attachment 2064334
Are you breeding them for show or are they for eggs or pets? I wouldn’t worry about those differences unless you are trying to show them or selling the offspring as potential show birds.