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 LC    Yellow-rumped Thornbill* Id (Atlas): 486
    Acanthiza chrysorrhoa Endemic

Description (10)
Image of Yellow-rumped Thornbill
  Sexes alike.

Adults: Above, mid brown often with olive wash. Rump and base of tail, yellow. Wings, grey-brown. Tail, black, with white tips to all outer feathers. Forehead, black spotted with white. Eyebrow, white. Lores, dusky. Cheeks, flecked dusky and white. Below, plain dull white. Flanks, buffer. Eye, grey-white. Bill, black. Feet, dark grey.

Immatures: As adults, but duller.


Other Names (World)
Yellow-rumped Thornbill, Yellow-tailed Thornbill, Pallid Acanthiza, Yellow-rumped Acanthiza, Yellow-tailed Acanthiza, Pallid Tit, Yellow-rumped Tit, Yellow-tailed Tit, Pallid Tit-warbler, Yellow-rumped Tit-warbler, Yellow-tailed Tit-warbler, Yellowtail, Leigh's Acanthiza, Leigh's Tit (leighi), Leigh's Tit-warbler (leighi), Chigaree, Tomtit, Butter Bum

Family
Acanthizidae (Thornbills)

Size
11 - 12 cm

First Described (Guide)
(Quoy & Gaimard, 1830)

Derivation
Ac-anth-iz'-a - Gk, acantheon, thorny brake; Gk, zao, I live: chr˙'-sorr(h)'-o-a - Gk, chrysos, golden; Gk, orrhos, tail

Abundance (Guide)
C

Common. Sedentary.

Habitat
Short grass on the edges of woodland, scrublands, paddocks, plantations, golf courses, farms, parks, lawns. Generally a bird of open areas.

Range (Guide)
Australia.

Image of Range of Yellow-rumped Thornbill
 
Eastern Australia and Tasmania, except coastal north-eastern Queensland, north to Rockhampton, west through central Australia, north to central Tennant Crek. Widespread southern Western Australia, north to central Wiluna - Port Hedland. Absent from the driest deserts.
 
Rarity Status
Currently this species is not classified as a rarity in this country OR information has not been updated.

Population
Estimated population is unknown (2010).

Status LC
Secure.

For more information see BirdLife International Species Factsheet.

Food
Insects, spiders, caterpillars and occasionally seeds, picked mainly from the ground.

Voice
Call: Sharp repeated 'tchip' in contact in flight. A distinctive 'tinkling', not unlike that of an European Goldfinch (Carduelis carduelis), but not as loud, given while foraging. An equally distinctive "tang", usually heard as the birds fly away! Song: Descending rich twitttered warble, repeated rapidly tow or three times in cycles.



Xeno-Canto Sound Files (more (33)...)

 
Yellow-rumped Thornbill (Acanthiza chrysorrhoa) [XC98599]
     by Matthias Feuersenger from Peter Murrell Conservation Area, Tas, Australia (call)

 
Yellow-rumped Thornbill (Acanthiza chrysorrhoa) [XC689254]
     by James Lambert from Werribee Treatment Plant, Victoria, Australia (song)

Breeding Season (Guide)
July - December.

J F M A M J J A S O N D
   
   
   
   
   
   
   
   
   
   
   
   


Nest
Domed, with false upper nest and chamber with concealed side entrance beneath, of grass and plant fiber bound with spiders' web, lined with down and feathers, slung in the outer foliage, 1 - 5 meters above the ground.

Eggs (Guide)
3 or 4; pale flesh, sparingly dotted at the larger end with red-brown; oblong-oval; about 18 x 13 mm. Incubation: about 19 days; by female.

Young
Altricial, nidicolous. Fledge in about 17 - 21 days. Fed by both parents.

Subspecies
Proposed subspecies are ferdinandi (west-central Australia, also Great Victoria Desert), which evidently relates to intergrading populations; sandlandi (coastal south-central and south-eastern Australia) and addenda (north-western Victoria), both considered synonyms of leighi; and pallida (arid parts of Western Australia) and multi (humid south-western Western Australia), both synonymized with nominate.

The following 4 subspecies are recognised:

  • chrysorrhoa (Quoy & Gaimard, 1830)   -  Central-western, south-western and southern western Australia.
  • normantoni (Mathews, 1913)   -  Central and inland north-eastern Australia.
  • leighi Ogilvie-Grant, 1909   -  Southern and south-eastern Australia.
  • leachi Mathews, 1912   -  Northern and eastern Tasmania.


Similar Species
None, really, though very inexperienced observers may wish to eliminate Buff-rumped Thornbill (Acanthiza reguloides), which has a much paler rump, Slender-billed Thornbill (Acanthiza iredalei), which has an off-white to pale yellow rump, and Spotted Pardalote (Pardalotus punctatus).

Compare Images


References
See References.

The Field Guide to the Birds of Australia Pizzey, G., and Knight, E., 1997, Angus & Robertson, Sydney ISBN 0 207 19691 5
Field Guide to Australian Birds Morecombe, M., 2000, Steve Parish Publishing Pty Ltd. ISBN 1 876282 10 X
Field Guide to the Birds of Australia Simpson, K., and Day, N., 1999, 6th Edition, Viking ISBN 0 670 87918 5
Reader's Digest Complete Book of Australian Birds 1988, 2nd Edition, Reader's Digest ISBN 0 949819 99 9
What Bird is That? 1984, Revised Edition, Angus & Robertson, Sydney ISBN 0 207 14846 5
Handbook of Australian, New Zealand & Antarctic Birds 1990 - , Oxford University Press, Melbourne ISBN 0 19 553244 9

More... see more information (images, calls, videos etc)


Files:
JPG files for Yellow-rumped Thornbill (Acanthiza chrysorrhoa) - 10 filesMP3 files for Yellow-rumped Thornbill (Acanthiza chrysorrhoa) - 1 files


More Information

BirdLife International

For more information about the Yellow-rumped Thornbill see... Show Articles BirdLife International Species Factsheet.


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