Why some eggs are white or brown?

It is genetics. White chickens lay white eggs, reddish brown chickens lay brown eggs

Birds evolved genetically according to nesting location. The egg color matched the surroundings where the nest was located. This camouflage protected the egg from being sighted by the predator. The ancient white egg has been retained by the species whose nests were safe. The brown eggs covered in specks were laid by the species who built nest near dead brush and dirt. The green/blue eggs are laid by species who built nest around vegetationThe color of the egg is determined the genetic make up
- Chicken with Two white genes lays white egg
- Chicken with Two brown genes lays brown egg- Chicken with Two blue genes lay Blue egg- Chicken with one Blue gene and one White gene lay Blue egg
- Chicken with one Blue gene and one Brown gene lays green egg

White Leghorn Chickens are white and lay white eggsRhode Island Red, New Hampshire and Plymouth rock are all reddish brown and lay brown eggs or brown-speckled egg

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