Coastal and highland forests of south-eastern Australia, from south-eastern Queensland south to Victoria (eastern from slightly west of Melbourne).
 
Population
Estimated population is unknown (2010).
Status LC
Habitat loss and fragmentation through forest clearing from logging and the progressive collapse of large old trees damaged by previous wildfires is the main threat.
For more information see BirdLife International Species Factsheet.
Habits
Usually in pairs or small parties, but also singly.
Food
Insects, mostly bark-dwelling ants.
Voice
Quick, explosive. zizzing chatter, alost a buzz. A single or double contact note.
Red-browed Treecreeper (Climacteris erythrops) [XC609312]
by id from Dunn's Swamp, Wollemi National Park, New South Wales, Australia (song)
Red-browed Treecreeper (Climacteris erythrops) [XC98376]
by Marc Anderson from Lamington NP, Australia (call)
Nest
In a hollow branch or dead spout of a tree, composed of a compact mass of bark fragments, lined with fur, usually more than 2 or 3 m above the ground.
Eggs (Guide)
2; delicate pale pink with close red-brown and dull purple blotching all over, especially at the larger end; oval; about 22 x 17 mm. Incubation: 18 days; by female.
Young
Fledge in about 26 days.
Subspecies
No subspecies.
Forms a superspecies with White-browed Treecreeper (Climacteris affinis). Birds from mountain forests of south-eastern coast of Victoria described as subspecies olinda, but generally considered indistinguishable from populations in rest of range.
The Field Guide to the Birds of Australia Pizzey, G., and Knight, E., 1997, Angus & Robertson, Sydney ISBN 0 207 19691 5
Field Guide to Australian Birds Morecombe, M., 2000, Steve Parish Publishing Pty Ltd. ISBN 1 876282 10 X
Field Guide to the Birds of Australia Simpson, K., and Day, N., 1999, 6th Edition, Viking ISBN 0 670 87918 5
Reader's Digest Complete Book of Australian Birds 1988, 2nd Edition, Reader's Digest ISBN 0 949819 99 9
What Bird is That? 1984, Revised Edition, Angus & Robertson, Sydney ISBN 0 207 14846 5
Handbook of Australian, New Zealand & Antarctic Birds 1990 - , Oxford University Press, Melbourne ISBN 0 19 553244 9