Do Dark Eyed Juncos Mate for Life?

Juncos are generally monogamous (one male to one female) defending their territory during the nesting and breeding season.

Do juncos mate for life?

Juncos are monogamous during the nesting season, but may choose new mates each year. Actually, these birds are "socially monogamous." The pair stays with their one mate raise the young together.

How long do dark-eyed juncos live?

Juncos Have a Long Lifespan

Banding records show that dark-eyed juncos can live to be 11 years old.