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 ?
Tree Swallows and Eastern Bluebirds experienced relatively high nest success.
Interspecific competition influences fitness benefits of assortative mating for territorial aggression in Eastern Bluebirds (Sialia sialis).
One possibility is nest site fidelity: eastern bluebirds might simply select nest sites based on nesting success in the previous year.
Ray Briggs's cause is the eastern bluebird, the official bird of New York State.
1903-22 1965-87 Species (20) (23) Difference Killdeer 3-01 (20) 2-21 (21) -8 Yellow-bellied Sapsucker 3-26 (20) 3-29 (21) +3 Eastern Phoebe 3-17 (18) 3-22 (22) +5 Ruby-crowned Kinglet 3-28 (20) 4-07 (22) +10 Eastern Bluebird 2-23 (17) 2-24 (22) +1 Hermit Thrush 3-31 (18) 4-08 (21) +8 Brown Thrasher 3-27 (19) 3-25 (22) -2 Eastern Towhee 3-11 (20) 3-14 (22) +3 Chipping Sparrow 3-23 (20) 4-04 (20) +12 Field Sparrow 3-22 (20) 3-17 (22) -5 Vesper Sparrow 3-28 (19) 4-03 (20) +6 Fox Sparrow 3-01 (20) 3-11 (21) +10 Swamp Sparrow 3-19 (20) 3-22 (20) +3 Red-winged Blackbird 3-06 (19) 2-20 (22) -14 Eastern Meadowlark 2-26 (20) 2-13 (17) -13 Rusty Blackbird 3-08 (19) 3-02 (16) -6 Brown-headed Cowbird 3-11 (19) 3-11 (21) +0 Table 2.
state ornithologist for the Massachusetts Division of Fisheries & Wildlife, the Eastern bluebird is indigenous to the area, having been around before the Europeans settled here.
Now, after 77,000 more bluebird houses and founding Eastern Bluebird Rescue Group, he's proof that even one person can have a very positive impact on our natural environment.
In Zickefoose's usage, it refers to how she came, quite by accident, to care for and release a male Eastern Bluebird (Sialia sialis) that subsequently lived in one of her bluebird boxes for eight years and fathered at least sixty-seven young in that time period, all under Zickefoose's careful observation.
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.
Effects of nest box size on Eastern Bluebird nests.
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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