The Western Bluebird is a partial migrant in most of its range changing its altitude rather than latitude during breeding season. The Northwestern and British Columbia populations are more migratory.
The Eastern Bluebird is more migratory in its northern range and a non-migratory, year-round resident in its southern range.
The Mountain Bluebird is the most migratory of the bluebirds but is non-migratory in a small part of its range in parts of the West and Southwest.
Mealworms, Bark Butter®, Bark Butter Bits, suet, peanut pieces, sunflower chips, raisins, currants, grapes
Nests in existing cavities. Will use a nest box. Download PDF
Male and female are very similar with the female being paler. Plumage is duller in winter. Juveniles are paler with more spotting.