In open parklands of the American West, brilliant blue-and-rust Western Bluebirds sit on low perches and swoop lightly to the ground to catch insects. Deep blue, rusty, and white, males are considerably brighter than the gray-brown, blue-tinged females. This small thrush nests in holes in trees or nest boxes and often gathers in small flocks outside of the breeding season to feed on insects or berries, giving their quiet, chortling calls. You can help out Western Bluebirds by placing nest boxes in your yard or park.
Cornell Lab of Ornithology—Home Birds, Cornell Lab of Ornithology
Blue Bird, Types of Birds Wiki
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Western bluebird Washington Department of Fish & Wildlife
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Which Bluebird Species Are You Seeing in Your State? - Avian Report
Western bluebird Washington Department of Fish & Wildlife
Western Bluebird Identification, All About Birds, Cornell Lab of
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Which Bluebird Species Are You Seeing in Your State? - Avian Report
