For the similarly named American bird see Brown Creeper

Brown Creeper

-Description:Adults are brown on the upperparts with light spotting, resembling a piece of tree bark, with white underparts. They have a long thin bill with a slight downward curve and a long tail. The male creeper has a slightly larger bill than the female...

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The Brown Treecreeper (Climacteris picumnus) is the largest Australasian treecreeper

Australasian treecreeper

There are 7 species of Australasian treecreeper in the passerine bird family Climacteridae. They are medium-small, mostly brown birds with patterning on their underparts, and all are endemic to Australia-New Guinea. They resemble, but are not closely related to, the Holarctic treecreepers...

. The bird

Bird

Birds are feathered, winged, bipedal, endothermic , egg-laying, vertebrate animals. Around 10,000 living species and 188 families makes them the most speciose class of tetrapod vertebrates. They inhabit ecosystems across the globe, from the Arctic to the Antarctic. Extant birds range in size from...

 is endemic to eastern Australia, found in eucalypt forests and woodlands of the Great Dividing Range

Great Dividing Range

The Great Dividing Range, or the Eastern Highlands, is Australia's most substantial mountain range and the third longest in the world. The range stretches more than 3,500 km from Dauan Island off the northeastern tip of Queensland, running the entire length of the eastern coastline through...

. The Brown Treecreeper is pale brown to grey-brown, with black streaking on the underparts and black bars on the undertail. The sexes are largely similar. It is an active and noisy bird.

Two subspecies, C. picumnus picumnus and C. picumnus victoriae, have been identified. The Brown Treecreeper is considered a "least concern" species by the IUCN, while the subspecies victoriae, found in New South Wales

New South Wales

New South Wales is a state of :Australia, located in the east of the country. It is bordered by Queensland, Victoria and South Australia to the north, south and west respectively. To the east, the state is bordered by the Tasman Sea, which forms part of the Pacific Ocean. New South Wales...

, is considered threatened by Australian authorities.