"basal corvoids" - not an actual group, but a bunch of basal
lineages on the tree that are all australasian, including
lyrebirds, australian wrens, and honeyeaters core Corvoidea - A
mainly Australiasian group, with a bunch of notable exceptions
radiating out to other parts of the world, including Corvids,
Vireos, Birds-of-Paradise, Pitohuis, Shrikes, Bush-Shrikes, and
Monarch Flycatchers Passerida - containing most of the remaining
oscines, broadly grouped into: Sylvioidea - including babblers,
bulbuls, old-world warblers, swallows, larks, and tits
Muscicapoidea - including thrushes, flycatchers, mockingbirds,
starlings, waxwings, creepers, nuthatches, and wrens Passeroidea
- including old world sparrows, weavers, sunbirds, wagtails, and
the "9-primaried oscine" radiation of finches, sparrows,
buntings, cardinals, grosbeaks, tanagers, warblers, and
blackbirds Passeriformes, from Barker et al. 2004 (click to view
large) These broad groupings seem well accepted although the
membership of each is not fully sett