Complex sentence: It lays blue-shelled eggs, one of very few breeds that do so; the Ameraucana breed and "Easter Egger" hybrids of the United States, which also lay blue or green eggs, both derive from the Araucana.
Split into simpler sentences: It lays blue-shelled eggs, one of very few breeds that do so. The Ameraucana breed and "Easter Egger" hybrids of the United States, which also lay blue or green eggs, both derive from the Araucana.