Neornithes Gadow, 1893 - living birds
Neognathae Pycraft 1900
see Cohort Neognathae Pycraft, 1900
Neoaves Sibley et al. 1988
see Subcohort Neoaves Sibley et al., 1988
[Order] Passeriformes Linnaeus, 1758
oscines
see Suborder Oscines
Passerida - passeridans
see Parvorder Passerida (C. Linnaeus, 1758) Sibley et al., 1988
Muscicapoidea
Family Turdidae Rafinesque, 1815 - thrushes
Genus Sialia Swainson, 1827
1 Sialia sialis (C. Linnaeus, 1758) - eastern bluebird
2 Sialia mexicana Swainson, 1832 - western bluebird
3 Sialia currucoides (Bechstein, 1798) - mountain bluebird