 The common starling has about a dozen subspecies breeding in open habitats across its native range in temperate Europe and western Asia , and it has been introduced to Australia , New Zealand , Canada , United States , Mexico , Peru , Argentina , the Falkland Islands , Brazil , Chile , Uruguay , South Africa and Fiji . This bird is resident in southern and western Europe and southwestern Asia , while northeastern populations migrate south and west in winter within the breeding range and also further south to Iberia and North Africa . The common starling builds an untidy nest in a natural or artificial cavity in which four or five glossy , pale blue eggs are laid . These take two weeks to hatch and the young remain in the nest for another three weeks . There are normally one or two breeding attempts each year . This species is omnivorous , taking a wide range of invertebrates , as well as seeds and fruit . It is hunted by various mammals and birds of prey , and is host to a range of external and internal parasites . 
