https://www.beautyofbirds.com/easternbluebird.html
... The Eastern Bluebirds (Sialia sialis) - also regionally known as Azure Bluebirds, Common Bluebirds or Blue Robins - are popular, well-known song birds found across eastern North America. Their range stretches south to Nicaragua in Central America.
These beautiful little birds are readily recognized by the male's vivid royal blue upper plumage, reddish-brown chest and white abdomen.
Within their range, these birds are quite distinctive. The only other birds they could be confused with are their cousins - the Mountain Bluebirds (Sialia currucoides) and the Western Bluebirds (Sialia mexicana). ...
https://www.earth.com/animals/eastern-bluebir...
Eastern bluebird (Sialia sialis)
DETAILED INFORMATION
Family: Turdidae
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Passeriformes
Genus Sialia
Common Name: azure bluebird
Type: The eastern bluebird prefers open habitats with scattered trees and shrubs ...
https://www.arkive.org/eastern-bluebird/siali...
Eastern bluebird (Sialia sialis)
... The most common call of the eastern bluebird is a soft, low-pitched, melodious ‘tu-a-wee’ or ‘tura-lee’, while its song is a fairly low, short, varied series of warbles and whistles (2) (4) (5). This song is usually given by the male from a high perch or in flight, although the female may sometimes also sing if a predator is spotted near the nest (2) (4).
Also known as azure bluebird.
Synonyms Motacilla sialis. ...
https://www.theguardian.com/science/grrlscien...
... Eastern bluebird, Sialia sialis (protonym, Motacilla Sialis), Linnaeus, 1758, also known as the azure bluebird, Florida bluebird, Wilson's bluebird, blue robin, common bluebird, blue redbreast, American bluebird, either as the Tamaulipas bluebird or Tamaulipas, or as the blew bird, photographed on the Konza Prairie Biological Station, Kansas State University, Manhattan, Kansas (USA). ...
https://avibase.bsc-eoc.org/species.jsp?lang=...
Eastern Bluebird
Sialia sialis (Linnaeus, 1758)
... English: Azure Bluebird, Blue Robin, Bluebird, Common Bluebird, Eastern Bluebird, Florida Bluebird, Tamaulipas, Tamaulipas Bluebird ...
https://animaldiversity.org/accounts/Sialia_s...
Sialia sialis
eastern bluebird ...
.. Other Comments
This species is the state bird of both Missouri and New York. Several other common names have been used to denote this bird, including American bluebird, Wilson's bluebird, Common bluebird, and others. ...
https://www.psu.edu/dept/nkbiology/naturetrai...
... The eastern bluebird (Sialia sialis) is a small thrush that is also called the common bluebird, Wilson’s bluebird, and the American bluebird. It is six to seven inches long (slightly smaller than a robin) with a wingspan of ten to thirteen inches and weighs approximately one ounce. The bluebird’s head looks somewhat large in proportion to its stocky body especially when perching. ...
http://www.sialis.org/names.htm
... Common Name Eastern Bluebird
Audubon Plate
(John James Audubon, The Birds of America, 1840)
Other Common Names
Wilson's Bluebird
Blue Robin
Common Bluebird
Blue Redbreast
American Bluebird
Blew Bird
Bluebird ...
... Scientific Name Sialia sialis ...
http://www.btb.termiumplus.gc.ca/tpv2alpha/al...
... English
Subject field(s) Birds
Universal entry(ies) Sialia sialis Latin
Eastern bluebird correct
common bluebird correct
OBS A bird of the family Muscicapidae. ...
