Acanthiza nana
The Yellow Thornbill (Acanthiza nana) is a diminutive and often overlooked passerine belonging to the family Acanthizidae, a group endemic to the Australasian region. Measuring a mere 9-10 cm in length and weighing just 6-7 grams, it is among the smallest of the thornbills, characterized by its remarkably plain and subdued plumage. Its upperparts are a dull olive-green, contrasting subtly with pale yellow underparts, a feature that extends to its faintly yellowish undertail coverts, which can...
This species primarily inhabits wet sclerophyll forests, rainforest edges, and coastal heathlands, often favoring areas with a dense understorey for foraging and cover. It can also be found in temperate eucalypt forests and, less commonly, in well-vegetated suburban parks, typically at low to mod...
The Yellow Thornbill is primarily insectivorous, feeding on small insects, spiders, and other arthropods. It forages by actively gleaning prey from the leaves, twigs, and bark of trees and shrubs.
The Yellow Thornbill is a diurnal species, spending its days actively foraging, often singly, in pairs, or in small family groups, occasionally joining mixed-species flocks with other small insectivores. Its primary foraging strategy involves gleaning insects, spiders, and other small arthropods ...
The Yellow Thornbill is endemic to eastern Australia, with its distribution stretching from the Cooktown region of far north Queensland southwards through New South Wales and into central and eastern Victoria. This species is entirely resident across its range, with no significant migratory movem...
Least Concern
- The Yellow Thornbill is one of the smallest species within the diverse Acanthiza genus, often weighing less than a standard letter. - Despite its common name, the yellowish wash on its underparts and undertail is often subtle and can be easily missed in the field. - Unlike many other thornbills...