The wren, meanwhile, continued his rounds, moving from nest box to nest box, laying claim to them all. A female wren, if one ...

When the wren finishes what it must think is “good enough,” he will fly off, perhaps to build another nest for another bird. His mate-in-waiting must now take over.

In about 15 wren species, multiple nests are built within a male’s territory, occasionally by both male and female, but often built mainly by the male (no data available for six of these species).

To persuade the chickadees to nest somewhere else, I never cleaned last year’s wren nests out of the boxes. I thought my plan was working. House wrens construct their nests from sticks, ...

Nesting birds are rewarding to watch. ... Bluebirds, purple martins, northern house wrens, chickadees, tree swallows and house sparrows are the most common birds that nest in houses.