Stocky and dark overall with short tail and triangular wings. A close look reveals beautiful plumage: in breeding season, look for purple and green iridescence and a yellow bill. In winter, shows extensive white and buffy spots over the entire body. Juveniles are plain grayish-brown; note bill shape. Native to Eurasia; introduced extensively across the globe. Often abundant, gathering in large flocks in open agricultural areas and towns and cities. Makes a variety of squeaky vocalizations, and often mimics other species. Visits feeders, where it is often aggressive towards other birds.