Climacteris affinis
The White-browed Treecreeper (Climacteris affinis) is a distinctive passerine bird endemic to the arid and semi-arid regions of mainland Australia. Measuring approximately 13.5-15 cm in length and weighing 15-20 grams, this small bird features a grey-brown upperparts, a striking white supercilium that extends behind the eye, and rusty-buff flanks. Its underparts are generally greyish-white, often with fine black streaking on the breast in males, while females exhibit a rufous wash on the thro...
Found primarily in arid and semi-arid woodlands, mallee, and Acacia scrublands, often associated with mature eucalypt and mulga trees. It typically inhabits low to mid-elevation areas across inland Australia.
Primarily an insectivore, feeding predominantly on ants (both adults and larvae), as well as other invertebrates like beetle larvae, spiders, and occasionally small centipedes. It forages by gleaning and probing bark surfaces.
The White-browed Treecreeper is a diurnal species, active during daylight hours and often roosting in tree hollows at night. Its most characteristic foraging strategy involves spiraling up tree trunks and branches, meticulously probing crevices and under bark flakes with its decurved bill, and of...
The White-browed Treecreeper is widely distributed across the arid and semi-arid interior of mainland Australia. Its range extends from coastal Western Australia, through the southern Northern Territory and South Australia, into inland Queensland, western New South Wales, and northwestern Victori...
Least Concern
- Despite their name, White-browed Treecreepers are not true treecreepers like those found in the Northern Hemisphere; they belong to an entirely different, endemic Australian family (Climacteridae). - They are one of only seven species in the Climacteridae family, all exclusive to Australia and ...