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 are distinguished from other orders of birds by t ...

s in the

clade A clade (), also known as a monophyletic group or natural group, is a group of organisms that are monophyletic – that is, composed of a common ancestor and all its lineal descendants – on a phylogenetic tree. Rather than the English term, ...

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 The New Zealand wrens are a family (Acanthisittidae) of tiny passerines endemic to New Zealand. They were represented by seven Holocene species in four or five genera, although only two species in two genera survive today. They are understood to ...

Systematics

They contain all the families of

but one,

Acanthisittidae The New Zealand wrens are a family (Acanthisittidae) of tiny passerines endemic to New Zealand. They were represented by seven Holocene species in four or five genera, although only two species in two genera survive today. They are understood to ...

, 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 that originated in Europe , after Europeans became aware of the existence of the Americas. It is used to contrast the continents of Africa, Europe, and Asia, which were previously thought of by the ...

suboscines and the American

Sapayoa The sapayoa or broad-billed sapayoa (''Sapayoa aenigma'') is a suboscine passerine found in lowland rainforests in Panama and north-western South America. As the epithet ''aenigma'' ("the enigma") implies, its relationships have long been elusive ...

in infraorder Eurylamides, while all other suboscines, all exclusively in the

New world The term ''New World'' is often used to mean the majority of Earth's Western Hemisphere, specifically the Americas."America." ''The Oxford Companion to the English Language'' (). McArthur, Tom, ed., 1992. New York: Oxford University Press, p. 3 ...

, are found in the infraorder Tyrannides. They consist of around 1000 species and 16 families, and consist of the largest bird family,

Tyrant flycatcher The tyrant flycatchers (Tyrannidae) are a family of passerine birds which occur throughout North and South America. They are considered the largest family of birds known to exist in the world, with more than 400 species. They are the most dive ...

s (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 are the bird sounds that are melodious to the human ear. In ornithology and birding, songs (relatively complex vocalizations) are distinguished by func ...

. 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 Sovereign state, sovereign country comprising the mainland of the Australia (continent), Australian continent, the island of Tasmania, and numerous List of islands of Australia, sma ...

New Guinea New Guinea (; Hiri Motu Hiri Motu, also known as Police Motu, Pidgin Motu, or just Hiri, is a language of Papua New Guinea, which is spoken in surrounding areas of Port Moresby (Capital of Papua New Guinea). It is a simplified version of ...

, 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