No difference but extra pigment, really.
Same goes with green eggs, blue eggs, pink-tinted eggs, purple-tinted eggs, dark brown eggs, dark green eggs, etc. It's just about egg shell pigment. Some have more or less or different pigments.
Same goes with green eggs, blue eggs, pink-tinted eggs, purple-tinted eggs, dark brown eggs, dark green eggs, etc. It's just about egg shell pigment. Some have more or less or different pigments.