Eupasserines are

passerine A passerine () is any bird of the order Passeriformes (; from Latin 'sparrow' and '-shaped') which includes more than half of all bird species. Sometimes known as perching birds, passerines generally have an anisodactyl arrangement of their ...

s in the

clade In biology, a clade (), also known as a Monophyly, monophyletic group or natural group, is a group of organisms that is composed of a common ancestor and all of its descendants. Clades are the fundamental unit of cladistics, a modern approach t ...

Eupasseres. The clade contains all passerines except the New Zealand wrens (Acanthisitti), to which they are sister.Selvatti, A.P. ''et al''. (2015
A Paleogene origin for crown passerines and the diversification of the Oscines in the New World
''Molecular Phylogenetics and Evolution'', 88:1-15. The origin of the word is the prefix 'eu-', meaning 'true' or 'genuine', and 'passeres', referring to passerines. So Eupasseres means 'true passerines', as an exception to the ancient lineage of Acanthisitti.

Systematics

They contain all the families of

but one, Acanthisittidae, and all the species except the 6 recognised New Zealand wrens. Source for cladogram:

Suboscines (Tyranni)

They are the suboscines, which have different syrinx structures than songbirds. They include the

Old world The "Old World" () is a term for Afro-Eurasia coined by Europeans after 1493, when they became aware of the existence of the Americas. It is used to contrast the continents of Africa, Europe, and Asia in the Eastern Hemisphere, previously ...

suboscines and the American Sapayoa in infraorder Eurylamides, while all other suboscines, all exclusively in the

New world The term "New World" is used to describe the majority of lands of Earth's Western Hemisphere, particularly the Americas, and sometimes Oceania."America." ''The Oxford Companion to the English Language'' (). McArthur, Tom, ed., 1992. New York: ...

, are found in the infraorder Tyrannides. They consist of around 1000 species and 16 families, and consist of the largest bird family, Tyrant flycatchers (Tyrannidae), with around 400 species. Phylogenetic relationships of the Eurylaimides based on Oliveros et al. (2019): Phylogenetic relationships of the Tyrannides based on Oliveros et al. (2019):

Songbirds/Oscines (Passeri)

They are the songbirds, some of which can produce elaborate

birdsong Bird vocalization includes both bird calls and bird songs. In non-technical use, bird songs (often simply ''birdsong'') are the bird sounds that are melodious to the human ear. In ornithology and birding, songs (relatively complex vocalization ...

. Some are true songbirds, which have a double larynx. Others can either only produce calls, or might sing without a double larynx. They consist of 10 uncategorized families, all endemic to

Australia Australia, officially the Commonwealth of Australia, is a country comprising mainland Australia, the mainland of the Australia (continent), Australian continent, the island of Tasmania and list of islands of Australia, numerous smaller isl ...

New Guinea New Guinea (; Hiri Motu: ''Niu Gini''; , fossilized , also known as Papua or historically ) is the List of islands by area, world's second-largest island, with an area of . Located in Melanesia in the southwestern Pacific Ocean, the island is ...

, or both, The infraorder Corvides with 4 uncategorized families, 3 superfamilies and 29 families in total, and the Passerides, with 78 families in total, 8 uncategorized families, 3 parvorders, 6 superfamilies, and 25 families in the parvorder Passerida which haven't been classified into superfamilies (in alternative taxonomy, The 2 infraorders become their own parvorders, and normal parvorders become superfamilies). Source for cladogram:

References

{{Taxonbar, from=Q104864059 Passeriformes