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Brown Thornbill - BirdForum Opus

ssp pusilla
Photo © by Gallus
Victoria, Australia, November 2005
ssp diemenenesis
Photo © by peterday
Tasmania, Australia, November 2021
Acanthiza pusilla

Identification

9–11·5 cm (3½-4½ in)

  • Olive-brown/grey upperparts
  • Whitish underparts
  • Rufous forehead (scalloped with paler markings)
  • Rufous rump patch

Tail

  • Grey-brown
  • Black band
  • Pale tips
  • Black streaks on chin, throat and chest
  • Dark red iris

Sexes similar

Distribution

Eastern and south-eastern Australia and Tasmania.

Taxonomy

Subspecies

There are 5 subspecies[1]:

  • A. p. dawsonensis:
  • A. p. pusilla:
  • A. p. diemenensis:
  • A. p. archibaldi:
  • King Island (Bass Strait). Probably extinct ?
  • A. p. zietzi:

Three additional subspecies bunya, mcgilli and archibaldi are usually considered invalid[2].

Habitat

Understorey in rainforest; eucalypt forests; woodlands; scrub; watercourse vegetation; bracken; wetland plants; dune vegetation; saltmarsh, mangroves.

Behaviour

Diet

The diet includes insects, seeds, nectar and fruit.

Breeding

The females builds the small oval, domed nest from grasses and bark; it is lined with feathers, fur or soft plant down. The female incubates the eggs; both parents feed the young.

Vocalisation

Alarm: scolds with angry churrs and zizzing sounds
Song: a deep musical call

References

  1. Clements, J. F., T. S. Schulenberg, M. J. Iliff, D. Roberson, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2016. The eBird/Clements checklist of birds of the world: v2016, with updates to August 2016. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/
  2. Birds in Backyards
  3. BF Member observations

Recommended Citation

External Links

GSearch checked for 2020 platform.1

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