This species is often a single pair. Children 2 at a time. His father and mother raised. By that, when paired together, not separate from it throughout life. Although the pair are dead.
This species is usually one spouse has 2 children per mother and father helped raise that, when paired together, not separate my life , even if the couple is dead.
This bird species often have the spouse one a time 2 one father and mother help raise. the pair now will not separate forever though pairs will be dead.