Starlings lay blue, white, and green eggs. They also prefer to build their nests in man-made structures. They are very gregarious animals and can live in colonies of up to one million birds.
(Surprise, birds have earlobes!) "Breeds with white earlobes will typically ... American robin (Turdus migratorius) eggs, for instance, are famously blue. The pear-shaped eggs of a common murre ...