This species measures 16 to 21 cm (6.3 to 8.3 in) long, span 25 to 32 cm (9.8 to 13 in) across the wings and weigh 27 to 34 g (0.95 to 1.2 oz). Adult males are bright blue on top and have a reddish brown throat and breast. Adult females have lighter blue wings and tail, a brownish throat and breast and a grey crown and back.
Habitat and Distribution
Eastern Bluebirds are found east of the Rockies, southern Canada to the Gulf States and southeastern Arizona to Nicaragua. They exist in open woodlands, farmlands and orchards and most recently can be spotted in suburban areas. The bird is a state bird of Missouri and New York.
Insect foods such as grasshoppers, crickets, katydids, and beetles also earthworms, spiders, millipedes, snails, etc make up two thirds of the diet. The remainder is made up of wild fruits. Winter foods are dogwood, wild grape, hawthorn etc.
Eastern bluebirds prefer to nest in trees within abandoned woodpecker holes or other cavities that provide adequate protection (usually several feet above ground). These nests are small, cup-like structures that are lined with grass, feathers, stems, etc. The nest kis built by the female. Each female lays 3 to 7 light-blue or, rarely, white eggs. Incubation takes 13 to 16 days.
Calls and Songs
The male's call includes sometimes soft warbles of jeew or chir-wi or the melodious song chiti WEEW wewidoo.