Description wikipedia

The stout-billed cinclodes (Cinclodes excelsior) is a species of bird in the Furnariinae subfamily of the ovenbird family Furnariidae. It is found in Colombia and Ecuador. The stout-billed cinclodes is 20 to 21 cm (7.9 to 8.3 in) long and weighs 62 to 66 g (2.2 to 2.3 oz). It is a large cinclodes with a decurved, thick-based, bill. The sexes have the same plumage. Adults of the nominate subspecies have a long white supercilium that extends to the hindneck, a whitish malar area with dark scallops, and an otherwise dark brown face with some narrow pale streaks. Their crown is very dark brown and their upperparts dark brown. Their wings are also dark brown, with blackish brown primary coverts and some rufous across the base of the flight feathers. Their tail is dark brown with increasing amounts of dull rufous from the inner to the outer feathers. Their throat is whitish with faint scallops, their upper breast light brown with indistinct paler scallops, and their lower breast and undertail coverts brownish with faint paler streaks. Their belly is pale grayish brown and their flanks brown with pale streaks. Their iris is brown to dark brown, their bill black, and their legs and feet brownish gray to blackish. Juveniles are like adults with more mottling on the breast. Subspecies C. e. columbianus has slightly darker upperparts, paler underparts, and a more distinct rufous wingband than the nominate.