Yellow-rumped Thornbill - BirdForum Opus

Photo by Nora
Toolern Vale Melbourne, Victoria, Australia, October 2006

Acanthiza chrysorrhoa

Identification

Juvenile (front) with adult
Photo by bryanhj
Near Beechworth, Victoria, October 2009

9·5–12 cm (3¾-4¾ in)

• Greyish-olive to greyish-brown upperparts
• Cream underparts
• White-spotted black crown
• Dark eye stripe
• Yellow rump
• Black tail with white tips
• Long slender bill
• Short tail

Sexes are similar.

Distribution

Australia: found in New South Wales, Northern Territory, Queensland, South Australia, Victoria, Western Australia and Tasmania.

Taxonomy

Subspecies

Graphic by Nrg800

There are 4 subspecies^[1]

• A. c. normantoni:

• Interior of east-central Australia

• A. c. leighi:

• South East Australia (south-eastern Queensland to Victoria and eastern South Australia)

• A. c. leachi:

• Tasmania (except western areas)

• A. c. chrysorrhoa:

• South Western Australia (Pilbara east to South Australian border)

Habitat

They use a variety of open habitats, which includes the understorey of eucalypt woodland, agricultural areas, parks and gardens.

Behaviour

Diet

Their main diet consists of arthropods particularly ants, beetles and bugs. They also eat seeds.

Breeding

The large nest is constructed from grass and bark; it has two parts, an upper 'false' cup-shaped nest and a domed nest chamber underneath, this has a hooded entrance. It is placed in dense tree foliage.

The clutch consists of 2-5 eggs whih are incubated by the female for around 17 days. The male and some helpers assist with feeding and protecting the young. They fledge after 19 days.

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. Avibase
3. Handbook of the Birds of the World Alive (retrieved October 2016)
4. BirdsinBackyards

• List of references

Recommended Citation

• BirdForum Opus contributors. (2024) Yellow-rumped Thornbill. In: BirdForum, the forum for wild birds and birding. Retrieved 24 April 2024 from https://www.birdforum.net/opus/Yellow-rumped_Thornbill

External Links

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