It is found in Bolivia, Brazil, Colombia, Ecuador, French Guiana, Guyana, Peru, Suriname, and Venezuela. Its natural habitat is subtropical or tropical moist lowland forests.
The Mouse-coloured Antshrike is classified as Least Concern. Does not qualify for a more at risk category. Widespread and abundant taxa are included in this category.
Mouse-coloured Antshrike Thamnophilus murinus, and this species must be quite rare in the area (T) Spot-winged Antshrike Pygiptila stellaris Commonly heard and regularly seen at CC and PA, accompanying mixed-species flocks in mid-stratum and canopy (T) Russet Antshrike Thamnistes anabatinus One seen with a mixed-species flock midway up the ridge on the Mirador trail, PA Plain Antvireo Dysithamnus mentalis Never at CC, but a few at PA (T) Dusky-throated Antshrike Thamnomanes ardesiacus More