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The chestnut-rumped thornbill is a small passerine bird in the family Acanthizidae, endemic to Australia.
Text adapted from Wikipedia, licensed CC BY-SA 4.0.
ID tip
Length: 9.8 cm (9-11); wing span 15.5 cm (14-16.5); weight: 6 g. Mid-sized thornbill similar in size and shape to inland thornbill (A. apicalis) and slaty-backed thornbill (A. robustirostris). Pale and plain with pale iris similar to buff-rumped (Acanthiza reguloides), western (A.inornata), slender-billed (A. iredalei) and yellow-rumped thornbills (A. chrysorrhoa). Pale grey-brown upper, rich chestnut rump and mostly black tail with pale tips, pale mottled ear-coverts and rufous suffusion on forehead and crown. Plain whitish underbody. The sexes are alike, with no seasonal variation.
Text from Wikipedia, licensed CC BY-SA 4.0.
Where it lives
When to see it
Peak activity in October · a variable species across most of its range
Easily confused with
Inland ThornbillAcanthiza apicalisThe inland thornbill is very similar to the brown thornbill (A. pusilla) in appearance, and these two species are sometimes considered conspecific.
Tasmanian ThornbillAcanthiza ewingiiThe Tasmanian Thornbill is olive-brown above, darkening toward the back and tail, and can exhibit a patch of reddish-brown colouration on the forehead.
Learn the Chestnut-rumped Thornbill for real
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