Acanthiza
- Inland Thornbill Acanthiza apicalis
Male and female Inland Thornbills look similar. They have olive-brown to gray-brown upperparts, cream-white underparts, dark throat and breast streaks, and red eyes. They range from dense eucalypt forest to arid mulga woodland and glean insects from branches and leaves.
- Yellow-rumped Thornbill Acanthiza chrysorrhoa
The Yellow-rumped Thornbill occurs in open woodland and grassland in eastern and southeastern Australia. Its yellow rump is distinctive, and it often feeds for insects on the ground.
- Grey Thornbill Acanthiza cinerea
A small thornbill with grey upperparts and a white underside, active in the canopy of montane forest.
- Tasmanian Thornbill Acanthiza ewingii
The Tasmanian Thornbill is a small brown bird found on Tasmania and the Bass Strait islands. Its white undertail helps distinguish it from a similar thornbill.
- Western Thornbill Acanthiza inornata
The Western Thornbill is a small bird of southwestern Western Australia that searches for insects in the undergrowth. It has an olive-gray back and creamy-buff underparts.
- Slender-billed Thornbill Acanthiza iredalei
On the northern shore of South Australia's Gulf St Vincent lives the Gulf St Vincent subspecies, A. i. rosinae, of the Slender-billed Thornbill.
- Mountain Thornbill Acanthiza katherina
Mountain Thornbills are endemic to Queensland’s Wet Tropics and inhabit upland rainforest. BirdLife reports their highest densities at about 1,200 m.
- Striated Thornbill Acanthiza lineata
The Striated Thornbill is a medium-sized thornbill with greenish upperparts, an orange-brown crown, and a streaked pale underside. It searches branches for insects in southeastern Australian eucalypt woodland.
- New Guinea Thornbill Acanthiza murina
This small bird is about 10 cm long and weighs around 8 g. It lives in New Guinea moss forest in mountains above 2,150 m and searches for small invertebrates in trees.
- Yellow Thornbill Acanthiza nana
A small bird of eastern Australia, often in open woodland and shrubland. Its yellowish underside and white cheek streaks stand out as it forages among leaves.
- Brown Thornbill Acanthiza pusilla
The Brown Thornbill lives in shrubs and forest understory in eastern and southeastern Australia and feeds mainly on insects.
- Buff-rumped Thornbill Acanthiza reguloides
This small bird occurs in forests and grasslands of southeastern Australia. It searches for insects among ground litter and branches and may forage in groups.
- Grey Thornbill Acanthiza cinerea
A small thornbill with grey upperparts and a white underside, active in the canopy of montane forest.
- Brown Thornbill Acanthiza pusilla
The Brown Thornbill lives in shrubs and forest understory in eastern and southeastern Australia and feeds mainly on insects.
- New Guinea Thornbill Acanthiza murina
This small bird is about 10 cm long and weighs around 8 g. It lives in New Guinea moss forest in mountains above 2,150 m and searches for small invertebrates in trees.
- Yellow-rumped Thornbill Acanthiza chrysorrhoa
The Yellow-rumped Thornbill occurs in open woodland and grassland in eastern and southeastern Australia. Its yellow rump is distinctive, and it often feeds for insects on the ground.
- Yellow Thornbill Acanthiza nana
A small bird of eastern Australia, often in open woodland and shrubland. Its yellowish underside and white cheek streaks stand out as it forages among leaves.
- Slender-billed Thornbill Acanthiza iredalei
On the northern shore of South Australia's Gulf St Vincent lives the Gulf St Vincent subspecies, A. i. rosinae, of the Slender-billed Thornbill.
- Buff-rumped Thornbill Acanthiza reguloides
This small bird occurs in forests and grasslands of southeastern Australia. It searches for insects among ground litter and branches and may forage in groups.
- Slaty-backed Thornbill Acanthiza robustirostris
This small bird has a gray head, dark gray tail, and cinnamon rump. It lives in Australia's dry inland scrub and builds a globular nest from grass stems and spider web.
- Tasmanian Thornbill Acanthiza ewingii
The Tasmanian Thornbill is a small brown bird found on Tasmania and the Bass Strait islands. Its white undertail helps distinguish it from a similar thornbill.
- Inland Thornbill Acanthiza apicalis
Male and female Inland Thornbills look similar. They have olive-brown to gray-brown upperparts, cream-white underparts, dark throat and breast streaks, and red eyes. They range from dense eucalypt forest to arid mulga woodland and glean insects from branches and leaves.
- Striated Thornbill Acanthiza lineata
The Striated Thornbill is a medium-sized thornbill with greenish upperparts, an orange-brown crown, and a streaked pale underside. It searches branches for insects in southeastern Australian eucalypt woodland.
- Chestnut-rumped Thornbill Acanthiza uropygialis
The Chestnut-rumped Thornbill is a small Australian bird of dry woodland. It has a pale face with a white eye-ring and a chestnut rump.