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  1. Species
  2. ›
  3. Acanthizidae
  4. ›
  5. Acanthiza
  6. ›
  7. Chestnut-rumped Thornbill
Chestnut-rumped Thornbill
Photo · (c) dhfischer, some rights reserved (CC BY)

BirdUp · Species

Chestnut-rumped Thornbill

Acanthiza uropygialisGould, 1838

Updated 21 March 2026

Origin: Endemic
Order
PASSERIFORMES
Family
Acanthizidae
Genus
Acanthiza

At a glance

The Chestnut-rumped Thornbill is a tiny bird, about 9–11 cm long, endemic to Australia. It can be seen year-round.

Size
9–11 cm
Origin
Endemic
Best seen
Year-round
Commonness
Endemic
  • Identification
  • Where
  • When
  • Behaviour
  • Gallery

01 · Identification

How to tell it apart

What does a Chestnut-rumped Thornbill look like?

The Chestnut-rumped Thornbill is a tiny bird, about 9–11 cm long and weighing 4–8 g.

The chestnut-rumped thornbill is a small passerine bird in the family Acanthizidae, endemic to Australia.

Description · wikipedia · CC BY-SA 4.0

Field specs

Length
9–11 cm
Weight
4–8.1 g

Measurements · avonet · CC BY 4.0

03 · When

When to look

When can you see a Chestnut-rumped Thornbill?

The Chestnut-rumped Thornbill is present across its Australian range year-round, so it can be seen in any month.

  1. Jan
  2. Feb
  3. Mar
  4. Apr
  5. May
  6. Jun
  7. Jul
  8. Aug
  9. Sep
  10. Oct
  11. Nov
  12. Dec

05 · Behaviour

Habits and haunts

What does a Chestnut-rumped Thornbill eat?

The Chestnut-rumped Thornbill feeds on seeds and terrestrial invertebrates, usually foraging in flocks.

06 · Gallery

Plumage up close

6 photos

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02 · Where

Where to find it

Where does the Chestnut-rumped Thornbill live in Australia?

The Chestnut-rumped Thornbill is endemic to Australia, recorded across 54 of Australia’s bioregions.

BreedingInland west and south-west WA to south-east QLD and north VIC (west-central to south-central Australia)

Distribution from BirdUp Australia community data

Legend

  • Resident
  • Breeding

7 regions recorded