The Brown Creeper is a small bird with a mottled brown back that blends in well with tree bark. It has a white breast and a white belly that fades to tan toward the vent. It has a pale eye-line and a bold, buff band across each wing that can be seen from above and below in flight. Its rump is reddish brown and its tail long and stiff. The Brown Creeper’s bill is thin and curved.