The Canebrake Groundcreeper lives in the southern Atlantic Forest of southeastern Brazil, eastern Paraguay, and Misiones in Argentina. A 2025 Argentine review reports that it tunnels into vertical banks near springs or streams and that most recent Argentine records cluster in central-eastern Misiones.
This large, long-tailed ovenbird is rusty above and grayish below. It has a buff eyebrow and black spots at the sides of the throat.
A 2025 review based on more than 20 years of searches in Argentina reports that it digs nesting tunnels in vertical banks around springs or creeks. It is also frequently found outside bamboo stands.
An extinction-risk assessment has not been added yet.