Its habitat is open woods, thickets, farms and gardens. Breeds in a wide variety of semi-open areas including suburbs, orchards, woodlots, open forest, streamside groves and pine-oak woods. Winters mostly in areas of dense low growth, including thickets and streamside brush. A sumer resident only in northern U.S. and Canada.
Nest site is in any kind of cavity including natural hollows in trees and stumps, old woodpecker holes, crevices in buildings, often in birdhouses. May nest in almost any kind of enclosed space (flower pots, parked cars, shoes, drainpipes, etc.). Male builds incomplete "dummy" nests in several cavities and female chooses one and adds lining.