The Brown Treecreeper, Climacteris picumnus, is native to eastern Australia and is the largest of the Australian Treecreepers. As the name implies it habitually creeps up the trunks of trees looking for small invertebrates to eat. It is quite noisy and can be found by listening for it.
Classification:
Order: Passeriformes
Family: Climacteridae
Genus: Climacteris
Species: C. picumnus
Photos:
Brown Treecreeper

"This Brown Treecreeper was fluffed up in the early morning cold and looked nearly twice its normal size."
Photo courtesy of 0ystercatcher
Brown Treecreeper

"Showing the strong wing markings that Jack pointed out as an aid to ID, only visible in flight."
Photo courtesy of aaardvaark
Brown Treecreeper (Climacteris picumnus)

"Photographed at Sundown NP, S. Queensland, Australia."
Photo courtesy of aviceda
Brown Treecreeper (Climacteris picumnus)

"Wyperfield National Park, Victoria, Australia."
Photo courtesy of kookr
Video:
Unfortunately, I have not been able to find any video of this species to share here. If you know of one, please leave a comment with a link.
Commentary:
dunns swamp
with thunderstorms all around we chose to set off for our walk immediately and were greeted by brown thornbill, sacred kingfishers and brown treecreeper. this is what i like about bird watching- it makes you stop, listen and look. … Read more…
wartook sf (western grampians / gariwerd) (vic)
birds that i’ve seen here include latham’s snipe, buff-banded rail, little lorikeet, brown treecreeper, bassian thrush, azure and sacred kingfisher, intermediate and great egret, darter, royal and yellow-billed spoonbill, black-fronted … Read more…
the south australia trip
brown treecreeper (climacteris picumnus picumnus) - i saw this driving out of alligator gorge. a bird with a distinctive wing bar flew across the road and lightly dashed up a fallen branch - in the gravity defying style of a treecreeper … Read more…
Moratorium placed on Molonglo development | The RiotACT
The reason for the moratorium is because a number of endangered species live in the area, including the little eagle and brown treecreeper. This development should never have proceeded as far as it has these issues were … Read more…
australia the beautiful
we are all here to research the usage of habitat corridors by a bird called the brown treecreeper. quite a large chunk of change has been invested into corridors over the years without much insight into their real efficacy. … Read more…
Endangered birds shelter in natives (ScienceAlert)
A few species, including the Brown Treecreeper, were confined to remnant forest and woodland in the region. Dr Kavanagh said eucalypt plantings of all shapes and sizes, but especially t fef hose larger than five hectares, were found to have … Read more…
Eastern Whipbird - Psophodes olivaceus | Birds of the World
green catbird, cattle egret, Lewin’s honeyeater, logrunner, yellow-throated scrubwren, silvereye, brown treecreeper, eastern whipbird, tawny frogmouth, powerful owl, black-faced monarch, eastern shrike-tit, white’s ground-thrush, … … Read more…