Brown Thornbill

The brown thornbill (Acanthiza pusilla) is a passerine bird usually found in eastern and south-eastern Australia, including Tasmania. It can grow up to 10 cm (3.9 in) long, and feeds on insects. It is brown, grey and white. The species has five subspecies. == Taxonomy == The brown thornbill is a member of the order Passeriformes, the family Acanthizidae, and the genus Acanthiza. It also has five subspecies: Acanthiza pusilla pusilla, A. p. diemenensis, A. p. zietzi, A. p. archibaldi, and A. p. dawsonensis. The species was first described by George Shaw in 1790. The nominate subspecies A. p. pusilla was described by Shaw in 1790 and the subspecies A. p. diemenensis was first described by John Gould in 1838. A. p. zietzi was described by Alfred John North in 1904, A. p. dawsonensis was described by Archibald George Campbell in 1922, and A. p. archibaldi was described by Gregory Mathews in 1910. The generic name Acanthiza derives from Ancient Greek akantheōn 'thorn-brake' and zaō 'to live, inhabit'. The specific epithet derives from Latin pusillus 'very small'. A 2017 genetic study using both mitochondrial and nuclear DNA found the ancestor of the brown thornbill diverged from that of the mountain…