The female incubates three to four glossy, light blue eggs for 12 to 14 days. The young leave the nest after 14 to 16 days and continue to be cared for by the parents for up to four weeks. Robins have two and sometimes three clutches of eggs each year.Nests may be used for multiple clutches; first-clutch nests may be built on top of nests from the previous year.he female incubates three to four glossy, light blue eggs for 12 to 14 days. The young leave the nest after 14 to 16 days and continue to be cared for by the parents for up to four weeks. Robins have two and sometimes three clutches of eggs each year.