Acanthizidae - The Acanthizidae, also known as the Australasian warblers, are a family of passerine birds which include gerygones, thornbills, and scrubwrens.
Furnariidae - The ovenbirds are a diverse group of insectivores which get their name from the elaborate, vaguely "oven-like" clay nests built by the horneros, although most other ovenbirds build stick nests or nest in tunnels or clefts in rock.
Tyrannidae - The tyrant flycatchers are a family of passerine birds which occur throughout North and South America, but are mainly Neotropical in distribution.
Hirundinidae - The swallows and martins are a group of passerine birds in the family Hirundinidae which are characterised by their adaptation to aerial feeding.
Maluridae - Malurids are small to medium birds, inhabiting a wide range of environments, from rainforest to desert, although most species inhabit grassland or scrub.
Motacillidae - Wagtails, pipits, and longclaws are slender, small to medium sized passerines, ranging from 14 to 17 centimetres in length, with short necks and long tails.
Cisticolidae - The Cisticolidae family of small passerine birds is a group of about 110 warblers found mainly in warmer southern regions of the Old World.
Zosteropidae - The white-eyes are small passerine birds native to tropical, subtropical and temperate Sub-Saharan Africa, southern and eastern Asia, and Australasia.
Corvidae - Corvidae is a cosmopolitan family of oscine passerine birds that contains the crows, ravens, rooks, jackdaws, jays, magpies, treepies, choughs and nutcrackers.
Monarchidae - The Monarch Flycatchers comprise a family of passerine birds which includes boatbills, shrikebills, paradise-flycatchers, and magpie-larks.
Artamidae - There are two subfamilies: Artaminae, the woodswallows, are sombre-coloured, soft-plumaged birds that have a brush-tipped tongue but seldom use it for gathering nectar.
Atrichornithidae - The scrub-bird family is ancient and is understood to be most closely related to the lyrebirds, and probably also the bowerbirds and treecreepers.
Campephagidae - Cuckoo-shrikes are neither closely related to the cuckoos or shrikes, the name probably comes from the grey colour of many of the cuckoo-shrikes.
Certhiidae - The treecreepers are a family, Certhiidae, of small passerine birds, widespread in wooded regions of the Northern Hemisphere and sub-Saharan Africa.
Formicariidae - The Formicariidae, formicariids, or ground antbirds are a family of smallish passerine birds of subtropical and tropical Central and South America.
Mimidae - The mimids are the New World family of passerine birds, Mimidae, that includes thrashers, mockingbirds, tremblers, and the New World catbirds.
Climacteridae - As their name implies, treecreepers forage for insects and other small creatures living on and under the bark of trees, mostly eucalypts, though several species also hunt on the ground, through leaf-litter, and on fallen timber.
Cnemophilidae - The Satinbirds or Cnemophilines, Cnemophilidae are a group of passerine birds which consists of three species found in the mountain forests of New Guinea.
Conopophagidae - The gnateaters are a bird family, Conopophagidae, consisting of ten small passerine species in two genera, which occur in South and Central America.
Cracticidae - There are two subfamilies: Artaminae, the woodswallows, are sombre-coloured, soft-plumaged birds that have a brush-tipped tongue but seldom use it for gathering nectar.
Vireonidae - The four genera of these birds make up the family Vireonidae, and are believed to be related to the crow-like birds in family Corvidae and the shrikes in family Laniidae.
Irenidae - These are bulbul-like birds of open forest or thorn scrub, but whereas that group tends to be drab in colouration, fairy-bluebirds are sexually dimorphic, with the males being dark blue in plumage, and the females duller green.
Machaerirhynchidae - Machaerirhynchus is a genus of passerine birds currently classified with the monarch flycatchers in the family Monarchidae.
Pardalotidae - Pardalotes are a family, Pardalotidae, of very small, brightly coloured birds native to Australia, with short tails, strong legs, and stubby blunt beaks.
Pittidae - Pittas are a family, Pittidae, of passerine birds mainly found in tropical Asia and Australasia, although a couple of species live in Africa.
Pityriaseidae - The Bornean Bristlehead also variously known as the Bristled Shrike, Bald-headed Crow or the Bald-headed Wood-Shrike, is the only member of the passerine family Pityriaseidae and genus Pityriasis.