| − | Nesting occurs in tree holes, either those formed via natural decay or in holes created by other birds. Two to four eggs are laid, with both parents incubating; they are restless during this period, seldom spending more than a hour on the eggs. The chicks are born naked, getting a down covering several days after hatching. | + | Nesting occurs in tree holes, either those formed via natural decay or in holes created by other birds. Two to four eggs are laid, with both parents incubating; they are restless during this period, seldom spending more than an hour on the eggs. The chicks are born naked, getting a down covering several days after hatching. |