Green eggs are a kind of eggs with light green or blue-green shells, and its scientific name is called black eggs, which are produced by five black chickens with black hair, black skin, black meat, black bones, and black viscera, and this kind of chickens is also known as green eggshells, because the five black chickens secrete bilirubin and zinc chelates in high levels, resulting in high egg shells. This is also known as green eggshell, because the chicken itself secretes high levels of biliverdin and zinc chelates, resulting in a greenish eggshell.

Green eggs are bigger, more nutritious, better tasting, and more expensive than regular yellow eggs.