bluebird

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Related to Eastern Bluebird: indigo bunting

bluebird,

common name for a North American migratory bird of the family Turdidae (thrush family). The eastern bluebird, Sialia sialis, is among the first spring arrivals in the North. It is about 7 in. (17.8 cm) long. The plumage of the male appears vivid blue in bright light and black at a distance; the breast is cinnamon-red, the under parts white. The female's coloring is duller. The bluebird usually nests in orchards or on the edges of woodlands but will also use nesting boxes. As a destroyer of insects it is of great value; it also eats wild fruits. Related birds are the mountain, the western (genus Sialia) or chestnut-backed, and the Florida bluebirds. Bluebirds have a cheerful call and a sweet, warbling song. They raise several broods during a single mating season. The female is responsible for the incubation duties. Bluebirds are classified in the phylum ChordataChordata
, phylum of animals having a notochord, or dorsal stiffening rod, as the chief internal skeletal support at some stage of their development. Most chordates are vertebrates (animals with backbones), but the phylum also includes some small marine invertebrate animals.
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, subphylum Vertebrata, class Aves, order Passeriformes, family Turdidae.

bluebird

1. any North American songbird of the genus Sialia, having a blue or partly blue plumage: subfamily Turdinae (thrushes)
2. fairy bluebird any songbird of the genus Irena, of S and SE Asia, having a blue-and-black plumage: family Irenidae
3. any of various other birds having a blue plumage
References in periodicals archive ?
However, two adult male eastern bluebirds actively defending a single nest-box has only been documented once previously (Laskey, 1947).
When we compare eastern bluebird occupancy at the study site with that of the house wren, another secondary cavity nesting species, we find that while bluebirds were declining, house wren numbers did not appear to change much over the ~ 20 y at this study site.
Nest parasitism by Eastern Bluebirds is rare, but known hosts include Carolina Wren (Thryothorus ludovicianus), chickadees, and House Sparrows (Gowaty and Plissner 1998).
The note of the eastern bluebird is described as chur-wee or truly.
At the close of last year, volunteers cleaned out Eastern Bluebird nesting boxes in the lower hayfield in preparation for new occupants this coming spring.
The eastern bluebird, Sialia sialis, is a much-loved member of the thrust family.
The eastern bluebird is one of three American bluebird species, and stands about 5 1/2 inches tall.
Update on the Eastern Bluebird Nesting-box Trail: Also on May 21, Eagle Scout badge candidate Joseph (Joe) Gorham from Troop 10 dropped by and showed a number of Spring Fling volunteers his Eastern Bluebird nesting box trail project.
A popular user of nest boxes, the Eastern bluebird is the official bird of New York State.
Eastern Bluebird Nesting-box Trail: In chilly late March, the installation of an Eastern Bluebird nesting box trail began in the lower grassland meadow.

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