Thornbills (Acanthizidae)

Slaty-backed Thornbill (Acanthiza robustirostris) - HBW 12, p. 606

French: Acanthize ardoisé German: Graurücken-Dornschnabel Spanish: Acantiza Pizarrosa
Other common names: Grey-backed Thornbill, Large-billed/Robust/Robust-billed Thornbill, Thick-billed Thornbill/Tit

Taxonomy: Acanthiza robustirostris Milligan, 1903, Day Dawn, Murchison District, Western ­Australia.
Monotypic.

Distribution: Arid and semi-arid regions from WC Western Australia E to S Northern Territory, N South Australia and W Queensland.