Identification:
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Bluebird, common name for three small songbirds of the thrush family.
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The eastern bluebird of eastern and Midwestern North America, ranging south to Nicaragua, is about 18 cm (7 in) long.
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The throat and breast of the male are reddish brown, the abdomen is white, and the upperparts are sky blue; the female is less brightly colored.
Habitat:
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The female builds a grass-lined nest in a tree hole or other cavity, and lays four to six pale blue eggs.
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The western bluebird has less reddish brown on the under parts and a brown patch on the back; the mountain bluebird is all blue.
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Both the western and mountain bluebirds are found in western North America.
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All bluebirds readily accept artificial nest boxes in place of natural tree holes.
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Northern populations of the eastern and mountain bluebirds are migratory; southern populations and the western bluebird are mostly sedentary.
