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The genus Sialia was introduced by the English naturalist William John Swainson in 1827 with the eastern bluebird (Sialia sialis) as the type species. [2] [3] A molecular phylogenetic study using mitochondrial sequences published in 2005 found that Sialia, Myadestes (solitaires) and Neocossyphus (African ant-thrushes) formed a basal clade in the family Turdidae.
The eastern bluebird (Sialia sialis) is a small North American migratory thrush found in open woodlands, farmlands, and orchards.. The bright-blue breeding plumage of the male, easily observed on a wire or open perch, makes this species a favorite of birders.
Adult female in Livermore, California. The western bluebird is a small stocky bird with a length of 15 to 18 cm (5.9 to 7.1 in). The adult male is bright blue on top and on the throat with an orange breast and sides, a brownish patch on back, and a gray belly and undertail coverts.
The mountain bluebird (Sialia currucoides) is a migratory small thrush that is found in mountainous districts of western North America. It has a light underbelly and black eyes. Adult males have thin bills and are bright turquoise-blue and somewhat lighter underneath.
Three species of blue-headed North American thrushes occupy the genus Sialia. The most widespread and best-known is the eastern bluebird ( Sialia sialis ), breeding from Canada's prairie provinces to Texas and from the Maritimes to Florida; discrete populations of this species are also found from southeastern Arizona through west Mexico into ...
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Sialia sialis: 1927 [31] Montana: Western meadowlark: Sturnella neglecta: 1941 [32] Nebraska: Western meadowlark: Sturnella neglecta: 1929 [33] Nevada: Mountain bluebird: Sialia currucoides: 1967 [34] New Hampshire: Purple finch: Carpodacus purpureus: 1957 [35] New Jersey: Eastern goldfinch (American goldfinch) Spinus tristis tristis: 1935 [36 ...
Sialia currucoides (Bechstein, 1798) 2 Western bluebird: Sialia mexicana Swainson, 1832: 3 Eastern bluebird: Sialia sialis (Linnaeus, 1758) 4 Finsch's rufous thrush: Stizorhina finschi (Sharpe, 1870) 5 Fraser's rufous thrush: Stizorhina fraseri (Strickland, 1844) 6 White-tailed ant thrush: Neocossyphus poensis (Strickland, 1844) 7 Red-tailed ...