Onyx Olive Eggers are an attractive variety developed for their dark plumage and exceptionally dark olive-colored eggs. Adult birds are primarily black, with some coppering in the neck and saddle feathers. Some birds may develop a small crest as well as feathering on the shanks and feet. Our Onyx Olive Eggers are our darkest olive egg-laying variety we offer and are an excellent choice for adding rich, dark olive-colored eggs to your egg basket.