Nesting habitat: Open areas such as meadows, hayfields, grain fields, savannas, prairies, clear cuts, and the edges of coniferous and deciduous forests.

Nest site: Nest site can be any natural cavity, abandoned woodpecker hole, cliff crevice, or nest box.

Nest type: Grass, weed stems, pine needles, twigs, rootlets, bark, and, sometimes, wool, hair, or feathers.

Eggs:
Clutch size: 5-6, but range can be 4-8.
Color: Pale blue, bluish-white, or, rarely, white.
Egg size: 19.8–24.9 x 15.2–17.8 mm.

Incubation period: 13 to 14 days.

Nestling period: Both parents feed young, but only female broods the nestlings for about a week after they hatch. Fledge between 17 to 22 days

Number of broods per season: Usually 2.