noun \-ˌbərd\

: a small North American bird that is mostly blue with a blue, brown, or orange belly

Full Definition of BLUEBIRD

:  any of three small North American thrushes (Sialia currucoides, S. mexicana, and S. sialis) that are blue above and reddish brown or pale blue below

First Known Use of BLUEBIRD



noun    (Concise Encyclopedia)

Western bluebird (Sialia mexicana)—Herbert Clarke

Any of three North American bird species (songbird genus Sialia) of the chat-thrush group. The eastern bluebird (S. sialis), which is 5.5 in. (14 cm) long, and the western bluebird (S. mexicana) are red-breasted forms found east and west of the Rockies, respectively. The mountain bluebird (S. currucoides), also found in the West, is all blue. Bluebirds arrive from the south in earliest spring. They live in open country and woodlands and nest in holes in trees or in fence posts and bird boxes.


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