It is easy to assume that during the nesting season male and female birds spend the night together; Such is not the case with American robins.   At this critical time of the year, females sleep at their nests while the males spend the night in roosts with other males.

       Once the young are old enough to strike out on their own, they join the males at their nighttime roosts.  The females do not join the males and young robins until they have completed their nesting chores.